Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Gregory Machen Duck , PA

Physician Assistant • Fort Worth, TX

Active NPI 1386165439 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

1400 S Main St
Fort Worth, TX 761044909

Call 8177026926 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

1400 S Main St

Fort Worth, TX 761044909

Telephone 8177026926
Fax 8177026930
Organization at the Same NPPES Address or Phone
Medicine Store Pharmacy Facility NPI 1851385595

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: Acclaim Physician Group 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

2017

Medicare patients

41 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 $5,305 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 $3,852 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

1,333 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

$110,113 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 2024

All general payments: $1,284.47 across 11 records.

By nature of payment

  • Travel and Lodging: $1,031.93 across 6 records.
  • Food and Beverage: $252.54 across 5 records.

Reporting-company totals

  • Abbott Laboratories: $1,261.63 across 10 records.
  • Edwards Lifesciences Corporation: $22.84 across 1 record.

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 2024 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

9 years (graduated 2017)

CMS Doctors and Clinicians data list 2017 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

2017

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)

Gregory Duck 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 Gregory Duck 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 Fort Worth and Texas

Billing and prescribing volume is not a quality rating.

Medicare Part B services

Fewer Medicare Part B services than 70% of clinicians listed under Physician Assistant in Fort Worth, TX (2024, 267 clinicians with data). Median for this group: 240. Middle half: 63 to 682.

Fewer Medicare Part B services than 75% of clinicians listed under Physician Assistant in Texas (2024, 4,400 clinicians with data). Median for this group: 211. Middle half: 76 to 593.

Medicare-allowed amount

A lower Medicare-allowed amount than 75% of clinicians listed under Physician Assistant in Fort Worth, TX (2024, 267 clinicians with data). Median for this group: $16,537. Middle half: $5,475 to $38,161.

A lower Medicare-allowed amount than 75% of clinicians listed under Physician Assistant in Texas (2024, 4,400 clinicians with data). Median for this group: $15,434. Middle half: $6,111 to $35,691.

Paid by Medicare

A lower Medicare payment amount than 75% of clinicians listed under Physician Assistant in Fort Worth, TX (2024, 267 clinicians with data). Median for this group: $12,038. Middle half: $3,898 to $28,431.

A lower Medicare payment amount than 75% of clinicians listed under Physician Assistant in Texas (2024, 4,400 clinicians with data). Median for this group: $11,276. Middle half: $4,395 to $26,238.

Medicare Part D prescriptions

Close to the middle for clinicians listed under Physician Assistant in Fort Worth, TX (2024, 250 clinicians with data). Median for this group: 380. Middle half: 111 to 1,259.

More Part D prescriptions than 65% of clinicians listed under Physician Assistant in Texas (2024, 4,882 clinicians with data). Median for this group: 261. Middle half: 73 to 938.

Part D drug cost

A higher Part D drug cost than 65% of clinicians listed under Physician Assistant in Fort Worth, TX (2024, 250 clinicians with data). Median for this group: $33,084. Middle half: $1,170 to $165,052.

A higher Part D drug cost than 75% of clinicians listed under Physician Assistant in Texas (2024, 4,882 clinicians with data). Median for this group: $7,999. Middle half: $749 to $103,240.

601 active clinicians are listed under Physician Assistant with a practice address in Fort Worth, TX (11,008 in Texas).

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

Telehealth indicator in Fort Worth

13.3% of these 601 clinicians have the CMS telehealth indicator.

52.7% of these 601 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 (2024), 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 2024
Disclosure Year:

Program year 2024 (payments made January 1 – December 31, 2024): 11 records totaling $1,284.47.

Manufacturer Payment Nature Product Type Amount ($)
Abbott Laboratories
Travel and Lodging
In-kind items and services
CARDIOMEMS General $430.04
Abbott Laboratories
Travel and Lodging
In-kind items and services
CARDIOMEMS General $374.99
Abbott Laboratories
Travel and Lodging
In-kind items and services
CARDIOMEMS General $124.50
Abbott Laboratories
Food and Beverage
In-kind items and services
CARDIOMEMS General $90.59
Abbott Laboratories
Food and Beverage
In-kind items and services
CARDIOMEMS General $79.47
Abbott Laboratories
Travel and Lodging
In-kind items and services
CARDIOMEMS General $48.30
Abbott Laboratories
Travel and Lodging
In-kind items and services
CARDIOMEMS General $45.08
Abbott Laboratories
Food and Beverage
In-kind items and services
CARDIOMEMS General $39.20
Edwards Lifesciences Corporation
Food and Beverage
In-kind items and services
SAPIEN 3 Ultra RESILIA General $22.84
Abbott Laboratories
Food and Beverage
In-kind items and services
CARDIOMEMS General $20.44
Abbott Laboratories
Travel and Lodging
In-kind items and services
CARDIOMEMS General $9.02

Source: CMS Open Payments, program year 2024, 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
65 35 $193.75 $81.61

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
Carvedilol Carvedilol 114 8,756 $770.12 54
Furosemide Furosemide 81 5,714 $466.28 34
Spironolactone Spironolactone 69 5,080 $372.54 36
Jardiance Empagliflozin 56 2,850 $52,303.71 21
Metoprolol Succinate Metoprolol Succinate 42 3,060 $513.03 17
Losartan Potassium Losartan Potassium 37 2,770 $151.56 19
Eliquis Apixaban 37 1,470 $26,924.78 14
Lisinopril Lisinopril 32 2,760 $174.74 20
Torsemide Torsemide 31 2,545 $1,478.04 17
Atorvastatin Calcium Atorvastatin Calcium 29 2,550 $196.05 19
Entresto Sacubitril/Valsartan 28 1,199 $26,488.49 —
Potassium Chloride Potassium Chloride 19 1,065 $273.72 11

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

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

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 - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20170815002488

Enrollment State Jurisdiction

TX

PECOS Control ID

2062784747

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

Acclaim Physician Group Inc

1400 S Main St, Fort Worth, TX 761044909

Acclaim Physician Group Inc

1350 S Main St, Fort Worth, TX 761047611

Phone: 8177029701

Acclaim Physician Group Inc

1350 S Main St Fl, Fort Worth, TX 761047611

Phone: 8177023701

Clinicians Sharing This Practice Address or Phone

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

11 listed
Dr. Jaya Bathina , MD

Internal Medicine - Cardiovascular Disease

NPI 1407086705

Doctor of Medicine (M.D.)

Julia Diaz-White , FNP-C

Nurse Practitioner - Family

NPI 1891342911

Family Nurse Practitioner (Certified)

Dr. Vassilis Dimas , MD

Internal Medicine - Clinical Cardiac Electrophysiology

NPI 1477754190

Doctor of Medicine (M.D.)

Sally Dye , NP

Nurse Practitioner - Acute Care

NPI 1154608032

Nurse Practitioner

Dr. Elizabeth Holper , MD

Internal Medicine - Interventional Cardiology

NPI 1528121043

Doctor of Medicine (M.D.)

Dr. Sandeep Kamath , MD

Internal Medicine - Clinical Cardiac Electrophysiology

NPI 1417974155

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location September 10, 2018

Registered at 1400 S MAIN ST, FORT WORTH, TX 761044909 (Tel: 8177026926)

📍
Updated Business Mailing Address September 10, 2018

Registered at PO BOX 732973, DALLAS, TX 753732973 (Tel: 8177028450)

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NPI Profile Active June 29, 2017

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) June 29, 2017

Registered at 1000 W CANNON ST, FORT WORTH, TX 761043029 (Tel: 8177257900)

📍
Business Mailing Address (Initial Record) June 29, 2017

Registered at 4945 GAGE AVE APT 1516, FORT WORTH, TX 761091544

👤
Provider Name / Credentials (Initial Record) June 29, 2017

Recorded as GREGORY DUCK, PA

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 29, 2017

Physician Assistant

🟢
Initial NPI Registration & Enumeration June 29, 2017

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1386165439
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 29, 2017
Last Update: September 10, 2018
Sole Proprietor: No

Other Physician Assistants in Fort Worth

All Physician Assistants in Fort Worth

Mailing Address

Po Box 732973

Dallas, TX 753732973

Phone: 8177028450

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.