NPPES file of Aug 9, 2026

Mark Alan Prange, MD

Geriatric Medicine (Internal Medicine) Physician · San Antonio, TX

Mark Alan Prange, MD is a geriatric medicine (internal medicine) physician with a practice address in San Antonio, Texas, and NPI 1871607820, issued on Aug 18, 2006. Check the license (Texas H2696, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871607820
Name
Mark Alan Prange
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
H2696 TX
Self-reported in NPPES; status is on the state search
Practice location
5007 E Beverly Mae Dr, San Antonio, TX 78229
Phone
(210) 417-3341
Enumerated
Aug 18, 2006
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150218000320); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mark Alan Prange in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H2696
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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16% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

4,939 Medicare Part D claims for 95 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 171 claims were for opioids.

  1. Mark Prange4,939
  2. Specialty average4,246

Most prescribed

  1. Levothyroxine Sodium292 claims
  2. Potassium Chloride257 claims
  3. Eliquis222 claims
  4. Furosemide218 claims
  5. Escitalopram Oxalate147 claims
  6. Carvedilol145 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. CH Specialty Services TX PLLCAustin, TX
  2. Curana Health Medical Group LLCAustin, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Alan Prange among 256 geriatric medicine (internal medicine) physician records in Texas

Mark Alan Prange, MD is one of 256 geriatric medicine (internal medicine) physician records with a practice address in Texas. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 44% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1986 · median 2000 among the 143 with a school on file
  • Record last updated2018 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Texas

There are 256 geriatric medicine (internal medicine) physician records in Texas.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Chidinma Aniemeke, MDSan Antonio, TX 782291811215494
  2. Kenneth Davis, MDSan Antonio, TX 782291932179512
  3. Cesar Garcia, M.D.San Antonio, TX 782291841436474
  4. Elizabeth Glazier, MDSan Antonio, TX 782291427003102
  5. Difu Guan, MDSan Antonio, TX 782291831190362
  6. Brande Harris, D.O.San Antonio, TX 782291851593008
  7. Scotte Hartronft, M.D.San Antonio, TX 782291154312411
  8. Ami Kadakia, M.D.San Antonio, TX 782291386746204

Common questions

What is Mark Alan Prange, MD's NPI number?

Mark Alan Prange, MD's National Provider Identifier (NPI) is 1871607820, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Alan Prange, MD located?

The NPPES record lists a practice address at 5007 E Beverly Mae Dr, San Antonio, TX, 78229. Phone: (210) 417-3341. Providers update this record themselves, so call before visiting.

How can I verify Mark Alan Prange, MD's license?

NPPES lists Texas license number H2696, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Alan Prange, MD prescribe under Medicare Part D?

In 2024, Mark Alan Prange, MD had 4,939 Medicare Part D claims for 95 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.