NPPES file of Aug 9, 2026

Mark Fredrickson, MD

Physical Medicine & Rehabilitation Physician · San Antonio, TX

Mark Fredrickson, MD is a physical medicine & rehabilitation physician with a practice address in San Antonio, Texas, and NPI 1962519959, issued on Aug 24, 2006. Check the license (Texas K9535, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1962519959
Name
Mark Fredrickson
Credential
MD
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
K9535 TX
Self-reported in NPPES; status is on the state search
Practice location
4502 Medical Dr, San Antonio, TX 78229
Phone
(210) 257-1400
Enumerated
Aug 24, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
043791501 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest physical medicine & rehabilitation physician records → All 1,099 in Texas → Look up another NPI →

Also registered at 4502 Medical Dr

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

  1. Aaron Abarbanell, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1245497809
  2. Ayham AbdelAnesthesiology Physician1467147496
  3. Ali Abedi, M.D.Pulmonary Disease Physician1346566312
  4. Jordan Abel, M.D.Infectious Disease Physician1417273301
  5. Aesha Aboueisha, MDHospitalist Physician1225527815
  6. Seena Abraham, MDFamily Medicine Physician1306338561

Verify Mark Fredrickson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K9535    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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Mark Fredrickson among 1,099 physical medicine & rehabilitation physician records in Texas

Mark Fredrickson, MD is one of 1,099 physical medicine & rehabilitation physician records with a practice address in Texas. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 71% newer
  • In a Medicare fileNo · 55% of these records are
  • In the CMS Doctors and Clinicians fileNo · 47% of these records are
  • Record last updated2007 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Texas

There are 1,099 physical medicine & rehabilitation physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,099 in Texas → Every provider in San Antonio → Physical Medicine & Rehabilitation Physician nationwide →

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Douglas Barber, MDSan Antonio, TX 782291316054489
  2. Travis Cox, PTSan Antonio, TX 782291346250685
  3. Daniel Dumitru, MD, PHDSan Antonio, TX 782291912014903
  4. Hope Hacker, MDSan Antonio, TX 782291740259126
  5. Tracy Johnson, MDSan Antonio, TX 782291770526162
  6. John King, M.D.San Antonio, TX 782291811004989
  7. Phillip Landes, MDSan Antonio, TX 782291376528752
  8. Jahnavi Manocha, M.D.San Antonio, TX 782291861495467

Common questions

What is Mark Fredrickson, MD's NPI number?

Mark Fredrickson, MD's National Provider Identifier (NPI) is 1962519959, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Fredrickson, MD located?

The NPPES record lists a practice address at 4502 Medical Dr, San Antonio, TX, 78229. Phone: (210) 257-1400. Providers update this record themselves, so call before visiting.

How can I verify Mark Fredrickson, MD's license?

NPPES lists Texas license number K9535, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.