Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Dr. Febin John , MD

Internal Medicine - Gastroenterology • Tulsa, OK

Active NPI 1619385606 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

6160 S Yale Ave
Tulsa, OK 741361930

Call 9184973300 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

6160 S Yale Ave

Tulsa, OK 741361930

Telephone 9184973300
Fax 9184973365
Organization at the Same NPPES Address or Phone
Springer Clinic Inc Facility NPI 1316949860

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Warren Clinic Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2011

Medicare patients

590 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.

Medicare-allowed amount

About $154,898 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Paid by Medicare

About $119,483 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

30-day fills

1,448 standardized 30-day fills in 2024

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$112,587 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $750.77 across 42 records.

By nature of payment

  • Food and Beverage: $750.77 across 42 records.

Reporting-company totals (3 largest of 10)

  • Pfizer Inc.: $246.07 across 12 records.
  • ABBVIE INC.: $221.96 across 16 records.
  • Madrigal Pharmaceuticals: $99.36 across 3 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

15 years (graduated 2011)

CMS Doctors and Clinicians data list 2011 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2014

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. John has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. John as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Tulsa and Oklahoma

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 80% of clinicians listed under Internal Medicine - Gastroenterology in Tulsa, OK (2024, 33 clinicians with data). Median for this group: 959. Middle half: 779 to 1,151.

More Medicare Part B services than 90% of clinicians listed under Internal Medicine - Gastroenterology in Oklahoma (2024, 105 clinicians with data). Median for this group: 782. Middle half: 509 to 1,044.

Medicare-allowed amount

A higher Medicare-allowed amount than 80% of clinicians listed under Internal Medicine - Gastroenterology in Tulsa, OK (2024, 33 clinicians with data). Median for this group: $104,466. Middle half: $86,469 to $133,219.

A higher Medicare-allowed amount than 85% of clinicians listed under Internal Medicine - Gastroenterology in Oklahoma (2024, 105 clinicians with data). Median for this group: $91,912. Middle half: $62,199 to $123,757.

Paid by Medicare

A higher Medicare payment amount than 80% of clinicians listed under Internal Medicine - Gastroenterology in Tulsa, OK (2024, 33 clinicians with data). Median for this group: $83,510. Middle half: $65,046 to $101,306.

A higher Medicare payment amount than 85% of clinicians listed under Internal Medicine - Gastroenterology in Oklahoma (2024, 105 clinicians with data). Median for this group: $73,421. Middle half: $45,883 to $99,359.

Medicare Part D prescriptions

More Part D prescriptions than 65% of clinicians listed under Internal Medicine - Gastroenterology in Tulsa, OK (2024, 39 clinicians with data). Median for this group: 801. Middle half: 430 to 1,049.

More Part D prescriptions than 65% of clinicians listed under Internal Medicine - Gastroenterology in Oklahoma (2024, 111 clinicians with data). Median for this group: 749. Middle half: 165 to 1,070.

Part D drug cost

Close to the middle for clinicians listed under Internal Medicine - Gastroenterology in Tulsa, OK (2024, 39 clinicians with data). Median for this group: $120,682. Middle half: $46,280 to $265,605.

Close to the middle for clinicians listed under Internal Medicine - Gastroenterology in Oklahoma (2024, 111 clinicians with data). Median for this group: $83,523. Middle half: $12,314 to $215,465.

51 active clinicians are listed under Internal Medicine - Gastroenterology with a practice address in Tulsa, OK (160 in Oklahoma).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Tulsa

29.4% of these 51 clinicians have the CMS telehealth indicator.

70.6% of these 51 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments · Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 – December 31, 2025): 42 records totaling $750.77.

Manufacturer Payment Nature Product Type Amount ($)
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $43.61
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $31.29
Eli Lilly and Company
Food and Beverage
In-kind items and services
OMVOH General $25.61
Madrigal Pharmaceuticals
Food and Beverage
In-kind items and services
REZDIFFRA General $24.46
Pfizer Inc.
Food and Beverage
In-kind items and services
VELSIPITY General $24.04
Ipsen Biopharmaceuticals, Inc
Food and Beverage
In-kind items and services
IQIRVO General $23.67
Celltrion USA Inc.
Food and Beverage
In-kind items and services
VEGZELMA General $22.75
Pfizer Inc.
Food and Beverage
In-kind items and services
XELJANZ General $22.51
Pfizer Inc.
Food and Beverage
In-kind items and services
VELSIPITY General $21.85
ABBVIE INC.
Food and Beverage
In-kind items and services
CREON General $21.63
Pfizer Inc.
Food and Beverage
In-kind items and services
XELJANZ General $21.56
Pfizer Inc.
Food and Beverage
In-kind items and services
XELJANZ General $21.17
Pfizer Inc.
Food and Beverage
In-kind items and services
XELJANZ General $21.15
Pfizer Inc.
Food and Beverage
In-kind items and services
VELSIPITY General $21.00
Pfizer Inc.
Food and Beverage
In-kind items and services
XELJANZ General $20.73
Pfizer Inc.
Food and Beverage
In-kind items and services
XELJANZ General $20.73
Pfizer Inc.
Food and Beverage
In-kind items and services
VELSIPITY General $20.33
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
TREMFYA General $19.52
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
TREMFYA General $18.97
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
TREMFYA General $18.52
Sanofi and Genzyme US Companies
Food and Beverage
In-kind items and services
DUPIXENT General $18.26
ABBVIE INC.
Food and Beverage
In-kind items and services
SKYRIZI General $18.05
Pfizer Inc.
Food and Beverage
In-kind items and services
VELSIPITY General $17.50
ABBVIE INC.
Food and Beverage
In-kind items and services
MAVYRET General $17.47
ABBVIE INC.
Food and Beverage
In-kind items and services
MAVYRET General $17.40

(top 25 shown)

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B · Data Year 2024
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2019–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2020–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
243 231 $306.00 $120.88
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
194 184 $869.00 $52.85
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes
181 142 $98.69 $45.99
45380 Biopsy of large bowel using a flexible endoscope
172 170 $999.00 $25.97
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare
167 166 $1050.00 $210.03
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
161 116 $35.00 $15.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
93 69 $213.73 $117.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
75 50 $162.79 $73.67
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
63 53 $146.29 $82.01
43255 Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope
53 45 $1523.00 $161.90
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope
47 43 $912.87 $127.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
45 45 $317.00 $153.37
45382 Control of bleeding of upper large bowel using a flexible endoscope
41 39 $893.00 $237.39
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope
27 27 $655.00 $102.30
45381 Injection beneath lining of large bowel using a flexible endoscope
21 21 $664.14 $14.41
43264 Removal of stone or debris from bile or pancreatic duct using a flexible endoscope
17 17 $941.00 $177.08
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm
16 13 $2143.00 $97.17
74328 Review by radiologist of image from tube placement into bile duct using an endoscope
16 16 $87.00 $21.48
43246 Insertion of stomach tube using a flexible endoscope
14 14 $519.00 $183.60
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito
14 14 $12.00 $5.22
43251 Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare
11 11 $1114.00 $134.57

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2024.

CMS Part D · Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Pantoprazole Sodium Pantoprazole Sodium 262 14,856 $5,234.53 98
Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl 146 1,173 $2,086.76 134
Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl 95 129 $1,402.43 91
Omeprazole Omeprazole 83 5,685 $1,681.69 32
Colestipol Hcl Colestipol Hcl 78 2,825 $3,432.40 29
Metoclopramide Hcl Metoclopramide Hcl 69 2,460 $188.81 16
Sucralfate Sucralfate 55 2,019 $1,680.35 23
Dicyclomine Hcl Dicyclomine Hcl 33 914 $481.69 13
Lactulose Lactulose 33 638 $654.18 16
Linzess Linaclotide 26 1,260 $21,694.37 —
Erythromycin Erythromycin Base 18 487 $4,763.17 —
Ursodiol Ursodiol 17 1,110 $4,703.87 —
Furosemide Furosemide 13 390 $14.31 —
Constulose Lactulose 13 309 $368.80 —
Ondansetron Odt Ondansetron 12 95 $70.45 —
Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine 11 225 $224.33 —
Creon Lipase/Protease/Amylase 11 546 $63,905.15 —

Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2020-06-18
Internal Medicine - Gastroenterology Primary Specialty

NUCC Taxonomy Code: 207RG0100X

License # reported to NPPES OK 35025

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

License # reported to NPPES OK 35025

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Oklahoma State Board of Medical Licensure.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - GASTROENTEROLOGY

Medicare Enrollment ID

I20200625001052

Enrollment State Jurisdiction

OK

PECOS Control ID

2163769340

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Warren Clinic Inc

6161 S Yale Ave, Tulsa, OK 741361902

Phone: 9185024720

Warren Clinic Inc

6600 S Yale Ave, Tulsa, OK 741363331

Phone: 9184886000

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

7 listed
Dr. Mohamad Al-Rifai , DO

Internal Medicine - Gastroenterology

NPI 1033670369

Doctor of Osteopathic Medicine (D.O.)

Dr. Robert Aran , DO

Internal Medicine - Gastroenterology

NPI 1003357039

Doctor of Osteopathic Medicine (D.O.)

Dr. Andrew Crawford , DO

Internal Medicine - Gastroenterology

NPI 1447237938

Doctor of Osteopathic Medicine (D.O.)

Dr. Frank Peluso , DO

Internal Medicine - Gastroenterology

NPI 1689661530

Doctor of Osteopathic Medicine (D.O.)

Dr. Abhishek Polavarapu , MD

Internal Medicine - Gastroenterology

NPI 1770996027

Doctor of Medicine (M.D.)

Dr. Vasuevan Raghuraman , MD

Internal Medicine - Gastroenterology

NPI 1073582961

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

9 Historical Events
📍
Updated Practice Location June 18, 2020

Registered at 6160 S YALE AVE, TULSA, OK 741361930 (Tel: 9184973300)

📍
Updated Business Mailing Address June 18, 2020

Registered at 6600 S YALE AVE STE 1200, TULSA, OK 741363333 (Tel: 9184886687)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 04, 2020

Internal Medicine (license number reported to NPPES: OK 35025)

✅
NPI Profile Active January 04, 2017

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) January 04, 2017

Registered at 254 EASTON AVE SAINT PETER'S UNVERSITY HOSPITAL, INTERNAL MEDICINE RESIDENCY PROGRAM, NEW BRUNSWICK, NJ 089011766 (Tel: 7327458600)

📍
Business Mailing Address (Initial Record) January 04, 2017

Registered at 254 EASTON AVE SAINT PETER'S UNVERSITY HOSPITAL, INTERNAL MEDICINE RESIDENCY PROGRAM, NEW BRUNSWICK, NJ 089011766 (Tel: 7327458600)

👤
Provider Name / Credentials (Initial Record) January 04, 2017

Recorded as FEBIN JOHN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 04, 2017

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration July 23, 2014

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1619385606
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 23, 2014
Last Update: June 18, 2020
Sole Proprietor: No

Other Internal Medicine - Gastroenterology Specialists in Tulsa

All Internal Medicine - Gastroenterology Specialists in Tulsa

Mailing Address

6600 S Yale Ave Ste 1200

Tulsa, OK 741363333

Phone: 9184886687

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.