NPPES file of Aug 9, 2026

Mark Alan Jacob, M.D.

Cardiovascular Disease Physician · San Antonio, TX

Mark Alan Jacob, M.D. is a cardiovascular disease physician with a practice address in San Antonio, Texas, and NPI 1952524399, issued on Apr 11, 2007. Check the license (Texas F4114, 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
1952524399
Name
Mark Alan Jacob
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
F4114 TX
Self-reported in NPPES; status is on the state search
Practice location
4330 Medical Dr Ste 500, San Antonio, TX 78229
Phone
(210) 558-0122
Enumerated
Apr 11, 2007
Record last updated
Jul 16, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(210) 558-0120
Medicaid ID
135747703 TX
Medicare enrollment
Enrolled (PECOS I20100616000795); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 1979
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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8 nearest cardiovascular disease physician records → All 1,603 in Texas → Look up another NPI →

Also registered at 4330 Medical Dr Ste 500

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Almaleh, M.D.Cardiovascular Disease Physician1871671891
  2. Iliana Arellano, MDCardiovascular Disease Physician1710917794
  3. Sue Benson, FNP-BCFamily Nurse Practitioner1710210026
  4. Ashley Blackmon, DPMPodiatrist1992098552
  5. Gabriela BrzankalskiInternal Medicine Physician1508951245
  6. Gabrielle George, PAPhysician Assistant1407574874

Verify Mark Alan Jacob in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license F4114    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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76% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

745 Medicare Part D claims for 239 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. Mark Jacob745
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate167 claims
  2. Eliquis102 claims
  3. Isosorbide Mononitrate Er58 claims
  4. Metoprolol Tartrate57 claims
  5. Amlodipine Besylate55 claims
  6. Clopidogrel40 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. Uvalde Medical And Surgical AssociatesUvalde, TX
  2. Wellmed Networks, Inc.San Antonio, TX

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

Mark Alan Jacob among 1,603 cardiovascular disease physician records in Texas

Mark Alan Jacob, M.D. is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 58% of them.

  • NPI issued2007 · 58% of these records are older, 33% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1979 · median 1998 among the 1,219 with a school on file
  • Record last updated2015 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Texas

There are 1,603 cardiovascular disease physician records in Texas.

All 1,603 in Texas → Every provider in San Antonio → Cardiovascular Disease Physician nationwide →

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Prasantha Bathini, MDSan Antonio, TX 782291710977673
  2. Richard Baum, MDSan Antonio, TX 782291013994987
  3. Paul Celio, MDSan Antonio, TX 782291023095965
  4. Mirhassan Farivar-Mohseni, M.D.San Antonio, TX 782291225037799
  5. Scott Harris, M.D.San Antonio, TX 782291992704258
  6. Janet Hays, MDSan Antonio, TX 782291326026436
  7. Mary Jo Hull, M.D.San Antonio, TX 782291356326938
  8. John Mulrow, MDSan Antonio, TX 782291043297922

Common questions

What is Mark Alan Jacob, M.D.'s NPI number?

Mark Alan Jacob, M.D.'s National Provider Identifier (NPI) is 1952524399, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Alan Jacob, M.D. located?

The NPPES record lists a practice address at 4330 Medical Dr Ste 500, San Antonio, TX, 78229. Phone: (210) 558-0122. Providers update this record themselves, so call before visiting.

How can I verify Mark Alan Jacob, M.D.'s license?

NPPES lists Texas license number F4114, 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 Jacob, M.D. prescribe under Medicare Part D?

In 2024, Mark Alan Jacob, M.D. had 745 Medicare Part D claims for 239 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.