DR. PATRICK A MASTERS (M.D.) – Gastroenterology Physician, NPI 1073507836

DR. PATRICK A MASTERS (M.D.) is a healthcare provider. based in San antonio, Texas. specializing in Gastroenterology Physician. They hold the professional credentials M.D.. They hold a License No. G3589 (TX). The NPI Number for DR. PATRICK A MASTERS (M.D.) is 1073507836

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
DR. PATRICK A MASTERS (M.D.)
NPI
1073507836
Phone
(210) 614-1234
Address
5223 HAMILTON WOLFE RD
Enumeration Date
8 September 2005
Last Update Date
17 March 2018

Doctor Profile

Medical School Name
UNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Secondary Phone
9725265860
Graduation Year
1982 (44 years ago)
PAC ID
2264564319
Group Practice PAC ID
3375531379
Professional Enrollment ID
I20100726000088
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. PATRICK A MASTERS (M.D.)

  • 5223, Hamilton Wolfe Road, San Antonio, Bexar County, Texas, 78229, United States

    SAN ANTONIO, TX 782294463

    Phone: (210) 614-1234

    Fax: (210) 614-0952

    Type: Location

  • 855 Proton Rd

    San Antonio, TX 782584203

    Phone: (210) 614-1234

    Fax: (210) 614-0952

    Type: Location

  • 12850 Toepperwein Rd

    Live Oak, TX 782334115

    Phone: (210) 614-1234

    Fax: (210) 614-0952

    Type: Location

  • 8415 DATAPOINT DR STE 700

    SAN ANTONIO, TX 782293327

    Phone: (210) 614-1234

    Fax: (210) 614-0952

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-07-26

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100726000088IGastroenterologyTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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 78229)

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Provider's Procedures

DR. PATRICK A MASTERS (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 endoscope2929
GASTROENTEROLOGYTX45378Diagnostic examination of large bowel using an endoscope3535
GASTROENTEROLOGYTX45385Removal of polyps or growths of large bowel using an endoscope4444

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: 3375531379View full group profile
NameSpecialtyState
Gastroenterology, Internal MedicineTX
Gastroenterology, Internal MedicineTX
Nurse PractitionerTX
Internal Medicine, GastroenterologyTX
G A S T R O E N T E R O L O G YTX
Gastroenterology, Internal MedicineTX
G A S T R O E N T E R O L O G YTX
G A S T R O E N T E R O L O G YTX
G A S T R O E N T E R O L O G YLA
Gastroenterology, Internal MedicineTX

Reviews

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Frequently asked questions

What is the registry number for DR. PATRICK A MASTERS (M.D.)?
The registry entry for DR. PATRICK A MASTERS (M.D.) shows NPI 1073507836.
Does the public listing show DR. PATRICK A MASTERS (M.D.) as active?
DR. PATRICK A MASTERS (M.D.)'s NPI record reflects an active status in NPPES.
What type of care does DR. PATRICK A MASTERS (M.D.) provide?
DR. PATRICK A MASTERS (M.D.)'s profile centers on Gastroenterology Physician. Clinical services aligned with this taxonomy classification.
Can patients visit DR. PATRICK A MASTERS (M.D.) in San Antonio, Texas?
For routing, start with San Antonio, Texas for DR. PATRICK A MASTERS (M.D.), then verify phone and hours locally.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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