Dr. Gregory E. Brown, MD

  • San Antonio, TX
  • Internist
NPI1922147933PAC ID9739337395
Medicare services, 2024
220
Medicare patients, 2024
46
Part D claims, 2024
145
Hospital affiliations
1
Industry payments
$73
Practice address
7700 Floyd Curl Dr, San Antonio, TX 78229
Practice phone
Call (210) 575-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Methodist Hospital (TX)

San Antonio, Texas

See all 15 affiliations

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Dr. Gregory E. Brown is an internist in San Antonio, Texas

Dr. Brown practices at Methodist Hospital (TX) in San Antonio, Texas.

Dr. Brown's NPI, 1922147933, was assigned on February 6, 2007. Dr. Brown graduated from Joe R. & Teresa Lozano Long School of Medicine in 2006. Dr. Brown's Texas license number on file is Q6397.

NPI and contact details
Medicare PAC ID
9739337395
NPI enumeration date
February 6, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(210) 575-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gregory E. Brown practices at Methodist Hospital (TX) in San Antonio, Texas

Dr. Brown's primary practice is Methodist Hospital (TX), at 7700 Floyd Curl Dr, San Antonio, TX 78229 in Bexar County. The practice phone is (210) 575-4000.

  • Methodist Hospital (TX)
    7700 Floyd Curl Dr, San Antonio, TX 78229 · Bexar CountyPhone(210) 575-4000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Gregory E. Brown is affiliated with 7 sites of care and 8 medical groups

Dr. Brown's primary practice is Methodist Hospital (TX) in San Antonio, Texas. Dr. Brown is also affiliated with Methodist Hospital. The medical group on file is ApexMed Primary Care. Dmand AI also links Dr. Brown to 7 more medical groups, 4 group practices and clinics and 1 physician office, each named with a free account.

See all 15 affiliations for Dr. Brown

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gregory E. Brown's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brown practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Methodist Hospital (TX)Available with a free account
+6 more sites and 7 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory E. Brown is one of 8,437 internists in Texas

Internal medicine is Dr. Brown's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Brown is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Brown's licenses on file in 5 states: Texas, Colorado, Washington, New Mexico and Michigan.

Specialties and state licenses

  • Internal medicine, TexasPrimaryLicense Q6397 · 2015 to 2025 · taxonomy 207R00000X
  • Colorado license2024 to 2027
  • Washington license2024 to 2025
  • New Mexico license2009 to 2021
  • Michigan license2007 to 2015

Internists near Dr. Brown

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gregory E. Brown billed Medicare for 220 services in 2024

CMS data shows 220 Medicare services from Dr. Brown across 4 procedure codes in 2024, for 46 Medicare patients. Medicare paid $16,894 for them. Every service was in an office.

Medicare services, 2024220
Medicare patients46
Paid by Medicare$16,894
Procedure codes4

Dr. Brown's Medicare services by type, 2021 to 2024

  • 2021
  • 2024
Other services
2021: 252024: 171584%
Office and hospital visits
2021: 1612024: 4970%
Tests and treatments
2021: 252024: 0100%
Surgery
2021: 142024: 0100%

Dr. Brown compared with the Texas median for internists, 2024

  • Dr. Brown
  • Texas median
Medicare services
220vs 53959% below
Medicare patients
46vs 19076% below
Part D claims
901vs 2893.1 times

Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.

Dr. Brown's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Brown

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Brown and other internists in Texas.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gregory E. Brown treated 46 Medicare patients in 2024, average age 72

CMS counts 46 Medicare patients who saw Dr. Brown in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 50% are also on Medicaid. Their average risk score is 2.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Brown's median patient age at 74, with 58% women.

Medicare patients, 202446
Average age72
Average risk score2.04
Also on Medicaid50%

Dr. Brown's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Brown's Medicare patients by sex, 2024

  • Women2963%
  • Men1737%

Chronic conditions among Dr. Brown's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Diabetes59%
  5. Mood disorders52%
  6. Depression50%
  7. Heart failure43%
  8. Anxiety41%

Share of Medicare patients with each condition. A patient can have several.

Dr. Brown's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women58%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gregory E. Brown wrote 145 Medicare Part D claims in 2024

In 2024, Dr. Brown wrote 145 Medicare Part D claims for 26 patients. 86% of them were for generic drugs. They cover 34 drugs, with $34,395 in total drug cost. In 2021, CMS named 7,654 claims across 124 drugs.

Part D claims, 2024145
Drugs named by CMS34
Total drug cost$34,395
Part D patients26

Dr. Brown's Part D claims by kind of drug, 2024

  • Generic124 claims86%
  • Brand-name and other21 claims14%

Dr. Brown's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 7,6542022: 90188%

Drugs named by CMS: 34 in 2022, 124 in 2021.

See all prescribing by Dr. Brown

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Gregory E. Brown takes part in Medicare

Dr. Brown accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Gregory E. Brown received $73 in industry payments from 2018 to 2021

CMS Open Payments shows 4 general payments to Dr. Brown from 4 drug and device companies from 2018 to 2021. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $24.

General payments to Dr. Brown by program year, 2018 to 2021

Companies that paid Dr. Brown the most, 2018 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Brown

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gregory E. Brown graduated from Joe R. & Teresa Lozano Long School of Medicine

Dr. Brown graduated from Joe R. & Teresa Lozano Long School of Medicine in 2006.

  1. Medical schoolJoe R. & Teresa Lozano Long School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Gregory E. Brown accepts plans from 13 insurance carriers

Dr. Brown is in network with 13 carriers, including United Healthcare, Highmark and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Brown accepts, by number of carriers

  1. HMO9
  2. PPO8
  3. EPO4
  4. POS4
  5. Medicare3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Gregory E. Brown's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gregory E. Brown

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Gregory E. Brown's NPI number?

Dr. Gregory E. Brown's NPI number is 1922147933. It was assigned on February 6, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory E. Brown?

Dr. Gregory E. Brown is an internist in San Antonio, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Gregory E. Brown practice?

Dr. Brown practices at 7700 Floyd Curl Dr, San Antonio, TX 78229. Dr. Brown's primary practice is Methodist Hospital (TX) in San Antonio, Texas. Dmand AI also links Dr. Brown to 7 medical groups, 4 group practices and clinics and 1 physician office.

What is Dr. Gregory E. Brown's office phone number?

The practice phone on file for Dr. Brown is (210) 575-4000.

What is Dr. Gregory E. Brown's medical license number?

Dr. Brown's Texas license number on file is Q6397, one of the licenses on file in 5 states.

Which states has Dr. Gregory E. Brown been licensed in?

Dmand AI has state licenses on file for Dr. Brown in Texas (2015 to 2025), Colorado (2024 to 2027), Washington (2024 to 2025), New Mexico (2009 to 2021) and Michigan (2007 to 2015).

Which hospitals is Dr. Gregory E. Brown affiliated with?

Dr. Brown is affiliated with Methodist Hospital.

What medical group is Dr. Gregory E. Brown part of?

Dr. Brown is linked to ApexMed Primary Care. Dmand AI links Dr. Brown to 7 more medical groups.

Does Dr. Gregory E. Brown accept Medicare?

Yes. CMS data shows Dr. Brown billed Medicare for 220 services in 2024, and Dr. Brown accepts Medicare assignment.

How many Medicare patients does Dr. Gregory E. Brown see?

CMS counts 46 Medicare patients who saw Dr. Brown in 2024, with an average age of 72.

Show 7 more questionsShow fewer questions

Is Dr. Gregory E. Brown board certified?

Yes. Dr. Brown is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Gregory E. Brown bill to Medicare?

In 2024, Dr. Brown's most billed Medicare services were medicare service (G0181), office visit, established patient (99215) and medicare service (G0179).

Where did Dr. Gregory E. Brown go to medical school?

Dr. Brown graduated from Joe R. & Teresa Lozano Long School of Medicine in 2006.

What drugs does Dr. Gregory E. Brown prescribe most?

In 2022 Medicare Part D data, Dr. Brown's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.

Has Dr. Gregory E. Brown received payments from drug or device companies?

CMS Open Payments shows $73 in general payments to Dr. Brown from 4 companies from 2018 to 2021. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.

How long has Dr. Gregory E. Brown been practicing?

Dr. Brown graduated from medical school in 2006, 20 years ago.

What insurance does Dr. Gregory E. Brown accept?

Dr. Brown is in network with 13 carriers, including United Healthcare, Highmark and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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