THOMAS L JOHNSON (M.D.) – Gastroenterology Physician, NPI 1578506903

THOMAS L JOHNSON (M.D.) is a healthcare provider. based in Amarillo, Texas. specializing in Gastroenterology Physician. They hold the professional credentials M.D.. They hold a License No. E8596 (TX). The NPI Number for THOMAS L JOHNSON (M.D.) is 1578506903

Main info

Male
49 Years Of Experience
Accepts Medicare Assignment
Name
THOMAS L JOHNSON (M.D.)
NPI
1578506903
Phone
(806) 358-0200
Address
6700 W 9TH AVE
Enumeration Date
14 June 2006
Last Update Date
13 September 2017

Doctor Profile

Medical School Name
UNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Secondary Phone
8063580200
Graduation Year
1977 (49 years ago)
PAC ID
4587661608
Group Practice PAC ID
5294959433
Professional Enrollment ID
I20091221000669
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for THOMAS L JOHNSON (M.D.)

  • 9th Avenue, Amarillo, Potter County, Texas, 79116, United States

    AMARILLO, TX 791061729

    Phone: (806) 358-0200

    Fax: (806) 356-5511

    Type: Location

  • PO BOX 840020

    DALLAS, TX 752840020

    Phone: (806) 358-0200

    Fax: (806) 356-5590

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $19.

Total Amount is formed as General ($19) + Research ($0) + Ownership ($0) = $19.

Last reported payment date: 2023-08-24 • Largest payer in this snapshot: PFIZER INC. ($19).

Total Amount

$19

General + Research + Ownership

Payments

1

Total payment records

General Amount

$19

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-08-24

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
PFIZER INC.$19
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 79106)

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Provider's Procedures

THOMAS L JOHNSON (M.D.) performs procedures in Gastroenterology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
GASTROENTEROLOGYTX43235Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope6464
GASTROENTEROLOGYTX83036Hemoglobin A1C level1313
GASTROENTEROLOGYTX85610Blood test, clotting time13465

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5294959433View full group profile
NameSpecialtyState
Nurse PractitionerTX
Gastroenterology, Internal MedicineTX
Nurse PractitionerTX
Nurse PractitionerTX
-TX
G A S T R O E N T E R O L O G YTX
Nurse PractitionerTX
-TX
Gastroenterology, Internal MedicineTX
Physician AssistantTX

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Frequently asked questions

Is there an official ID for THOMAS L JOHNSON (M.D.) in U.S. healthcare records?
The official identifier for THOMAS L JOHNSON (M.D.) is NPI 1578506903.
Is THOMAS L JOHNSON (M.D.) shown as active in public data?
Registry records indicate THOMAS L JOHNSON (M.D.) maintains an active NPI.
What kind of doctor is THOMAS L JOHNSON (M.D.)?
THOMAS L JOHNSON (M.D.) is associated with Gastroenterology Physician in the directory — Clinical services aligned with this taxonomy classification.
Where in Texas is THOMAS L JOHNSON (M.D.) registered?
Use Amarillo, Texas as the headline location for THOMAS L JOHNSON (M.D.) here.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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