NPPES file of Aug 9, 2026

John Richard Jackson, M.D.

Family Medicine Physician · San Marcos, TX

John Richard Jackson, M.D. is a family medicine physician with a practice address in San Marcos, Texas, and NPI 1457350902, issued on Jul 18, 2005. Check the license (Texas E8587, 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
1457350902
Name
John Richard Jackson
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
E8587 TX
056102 GA
Self-reported in NPPES; status is on the state search
Practice location
1290 Wonder World Dr Ste 1100, San Marcos, TX 78666
Phone
(512) 393-3325
Enumerated
Jul 18, 2005
Record last updated
Jan 24, 2022
Fax
(512) 393-3328
Medicaid ID
157509345A GA
Medicare enrollment
Enrolled (PECOS I20210909002396); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 1977
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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Also registered at 1290 Wonder World Dr Ste 1100

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

  1. Katharyn Berger, PAPhysician Assistant1013569284
  2. Garry Francis-Verbeelen, AGCNSBCGerontology Clinical Nurse Specialist1760039796
  3. Stephanie McGlothlinFamily Nurse Practitioner1154114692
  4. Ronald McHose, D.O.Family Medicine Physician1689645368

Verify John Richard Jackson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license E8587
    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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2.8 times the Medicare Part D claims of the average family medicine physician in 2024

9,765 Medicare Part D claims for 866 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 298 claims were for opioids.

  1. John Jackson9,765
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium480 claims
  2. Levothyroxine Sodium395 claims
  3. Amlodipine Besylate349 claims
  4. Lisinopril309 claims
  5. Gabapentin284 claims
  6. Omeprazole251 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.

Industry payments in 2024: $36.24

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Jackson$36.24
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Wellmed Medical Group PASan Marcos, TX

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

John Richard Jackson among 11,119 family medicine physician records in Texas

John Richard Jackson, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1977 · median 2004 among the 7,095 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 family medicine physician records list a practice address in San Marcos

They are 27 of the 1,003 NPPES records with a practice address in San Marcos, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Gregory Colon, MDSan Marcos, TX 786661972594141
  2. Sarah Doss, M.D.San Marcos, TX 786661679599732
  3. Jennifer Driskell, MDSan Marcos, TX 786661386634657
  4. Roy Hotz, MDSan Marcos, TX 786661477666824
  5. Alan Lee, M.D.San Marcos, TX 786661336164425
  6. Jacqueline Livingston, DOSan Marcos, TX 786661326004912
  7. Vip Mangalick, MDSan Marcos, TX 786661437347697
  8. Ronald McHose, D.O.San Marcos, TX 786661689645368

Common questions

What is John Richard Jackson, M.D.'s NPI number?

John Richard Jackson, M.D.'s National Provider Identifier (NPI) is 1457350902, issued on Jul 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Richard Jackson, M.D. located?

The NPPES record lists a practice address at 1290 Wonder World Dr Ste 1100, San Marcos, TX, 78666. Phone: (512) 393-3325. Providers update this record themselves, so call before visiting.

How can I verify John Richard Jackson, M.D.'s license?

NPPES lists Texas license number E8587, 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 John Richard Jackson, M.D. prescribe under Medicare Part D?

In 2024, John Richard Jackson, M.D. had 9,765 Medicare Part D claims for 866 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.