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Dr. Terrell Ann Singleton , MD

Surgery • Webster, TX

Active NPI 1598969180 Individual Practitioner Female Practitioner Accepts Medicare assignment
Practice location in NPPES

251 W Medical Center Blvd Ste 200
Webster, TX 775984242

Call 2815713543 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

251 W Medical Center Blvd Ste 200

Webster, TX 775984242

Telephone 2815713543
Organization at the Same NPPES Address or Phone
Interventional Partners, Llc Facility NPI 1922666189

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

NPPES lists 2 distinct additional practice-address records in Sugar Land, TX; The Woodlands, TX. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: Interventional Partners Pllc. 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

Medical School

University Of Texas Medical Branch At Galveston

Graduation Year

2006

Medicare patients

137 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 $377,465 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 $297,808 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.

Open Payments general payments, program year 2025

All general payments: $3,519.42 across 17 records.

By nature of payment

  • Long term medical supply or device loan: $3,146.67 across 1 record.
  • Food and Beverage: $372.75 across 16 records.

Reporting-company totals (3 largest of 5)

  • AngioDynamics, Inc.: $3,146.67 across 1 record.
  • Boston Scientific Corporation: $232.42 across 9 records.
  • Medtronic, Inc.: $65.22 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

20 years (graduated 2006)

CMS Doctors and Clinicians data list 2006 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

2007

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

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

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. Singleton 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. Singleton 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 Webster and Texas

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 90% of clinicians listed under Surgery in Texas (2024, 1,113 clinicians with data). Median for this group: 148. Middle half: 72 to 277.

Too few clinicians listed under Surgery in Webster have Medicare Part B data for 2024 to compare.

Medicare-allowed amount

A higher Medicare-allowed amount than 95% of clinicians listed under Surgery in Texas (2024, 1,113 clinicians with data). Median for this group: $20,825. Middle half: $8,873 to $41,247.

Too few clinicians listed under Surgery in Webster have Medicare Part B data for 2024 to compare.

Paid by Medicare

A higher Medicare payment amount than 95% of clinicians listed under Surgery in Texas (2024, 1,113 clinicians with data). Median for this group: $15,568. Middle half: $6,700 to $31,964.

Too few clinicians listed under Surgery in Webster have Medicare Part B data for 2024 to compare.

7 active clinicians are listed under Surgery with a practice address in Webster, TX (2,193 in Texas).

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

Sources: CMS Medicare Physician & Other Practitioners (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): 17 records totaling $3,519.42.

Manufacturer Payment Nature Product Type Amount ($)
AngioDynamics, Inc.
Long term medical supply or device loan
In-kind items and services
VenaCure 1470 Pro General $3,146.67
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $46.94
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $46.26
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $38.74
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $35.68
ABBVIE INC.
Food and Beverage
In-kind items and services
DALVANCE General $27.23
Medtronic, Inc.
Food and Beverage
In-kind items and services
VENASEAL General $23.42
Medtronic, Inc.
Food and Beverage
In-kind items and services
VENASEAL General $21.12
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $20.88
Medtronic, Inc.
Food and Beverage
In-kind items and services
VENASEAL General $20.68
Tactile Systems Technology Inc
Food and Beverage
In-kind items and services
Flexitouch Plus General $18.54
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $18.39
Tactile Systems Technology Inc
Food and Beverage
In-kind items and services
Flexitouch Plus General $15.00
Tactile Systems Technology Inc
Food and Beverage
In-kind items and services
Flexitouch Plus General $14.34
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $10.21
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $7.96
Boston Scientific Corporation
Food and Beverage
In-kind items and services
Varithena Administration Pack General $7.36

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 2016–2023 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, 2017–2024; 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
99487 Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month
130 31 $265.00 $127.68
93970 Ultrasound study of arm or leg veins with compression and maneuvers
128 92 $552.64 $178.96
36475 Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance
122 47 $4052.73 $1002.92
36466 Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance
82 40 $4594.48 $1331.41
99202 New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more
77 77 $213.92 $71.16
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance
72 39 $4404.05 $1233.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
66 52 $126.56 $56.58
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional
57 48 $64.05 $22.79
93971 Ultrasound study of one arm or leg veins with compression and maneuvers
29 19 $342.38 $117.88
99441 Telephone medical discussion with physician, 5-10 minutes
20 19 $91.79 $53.45
G0396 Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and brief intervention 15 to 30 minutes
18 17 $82.22 $32.79
96160 Administration and interpretation of patient-focused health risk assessment
17 16 $6.94 $2.76
96130 Evaluation of psychological test, first hour
15 15 $281.33 $114.76
G0444 Annual depression screening, 5 to 15 minutes
13 13 $48.08 $17.71

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.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2024-07-22
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

License # reported to NPPES TX P7353

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

License # reported to NPPES TX P7353

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

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: Texas Medical Board.
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 - VASCULAR SURGERY

Medicare Enrollment ID

I20140707001851

Enrollment State Jurisdiction

TX

PECOS Control ID

8022233097

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

Interventional Partners Pllc

5575 Warren Pkwy, Frisco, TX 750344066

Phone: 9727124161

Interventional Partners Pllc

251 W Medical Ctr Blvd, Webster, TX 775984242

Phone: 8665524866

Secondary Practice Locations

8000 Research Forest Dr Ste 250

The Woodlands, TX 773821507

Phone: 2815713543

4690 Sweetwater Blvd Ste 200

Sugar Land, TX 774793478

Phone: 2815713543

Clinicians Sharing This Practice Address or Phone

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

1 listed
Wallace Huynh , CRNA

Nurse Anesthetist, Certified Registered

NPI 1245790559

Certified Registered Nurse Anesthetist

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location December 04, 2023

Registered at 251 W MEDICAL CENTER BLVD STE 200, WEBSTER, TX 775984242 (Tel: 2815713543)

📍
Updated Business Mailing Address December 04, 2023

Registered at 8135 FOREST LN # 515057, DALLAS, TX 752302472 (Tel: 4698505760)

âś…
NPI Profile Active July 21, 2014

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) July 21, 2014

Registered at 5418 W. GRAND PARKWAY SOUTH, SUITE C, RICHMOND, TX 774065824 (Tel: 2812321800)

📍
Business Mailing Address (Initial Record) July 21, 2014

Registered at 1901 BUTTERFIELD RD, SUITE 220, DOWNERS GROVE, IL 605157915 (Tel: 6307252700)

👤
Provider Name / Credentials (Initial Record) July 21, 2014

Recorded as TERRELL SINGLETON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 21, 2014

Surgery (license number reported to NPPES: TX BP1-0026614)

🟢
Initial NPI Registration & Enumeration June 14, 2007

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1598969180
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 14, 2007
Last Update: July 22, 2024
Sole Proprietor: No

Other Surgery Specialists in Webster

Healthcare providers in Webster

Mailing Address

8135 Forest Ln # 515057

Dallas, TX 752302472

Phone: 4698505760

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.