NPPES file of Aug 9, 2026

Niels August Ryden, MD

Internal Medicine Physician · Jbsa Fort Sam Houston, TX

Niels August Ryden, MD is an internal medicine physician with a practice address in Jbsa Fort Sam Houston, Texas, and NPI 1922709633, issued on Mar 10, 2023. Check the license 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
1922709633
Name
Niels August Ryden
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
0101284713 VA
Self-reported in NPPES; status is on the state search
Practice location
3551 Roger Brooke Dr., Jbsa Fort Sam Houston, TX 78234
Phone
(210) 292-7805
Enumerated
Mar 10, 2023
Record last updated
Jun 18, 2026
Fax
(210) 292-7868
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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Also registered at 3551 Roger Brooke Dr.

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

  1. Cynthia Giraldo, M.D.Cytopathology Physician1578948964
  2. John Kiley, MDInfectious Disease Physician1710229166
  3. James Marsh, MDInternal Medicine Physician1972203479
  4. Ian Prichard, DO, RDCSInternal Medicine Physician1740748466
  5. Matthew Smith, M.D.Anesthesiology Physician1609309525
  6. Donovan Trudeau, DOGeneral Practice Physician1518725423

Verify Niels August Ryden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical BoardCheck 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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Industry payments in 2024: $21.85

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Niels Ryden$21.85
  2. Specialty average$1,303.06

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

14 internal medicine physician records list a practice address in Jbsa Fort Sam Houston

They are 14 of the 101 NPPES records with a practice address in Jbsa Fort Sam Houston, and 9,175 internal medicine physician records in Texas.

All 14 in Jbsa Fort Sam Houston → All 9,175 in Texas → Every provider in Jbsa Fort Sam Houston →

Other internal medicine physician records in Texas

  1. Muhammad A. Sattar, MDDallas, TX1760465553
  2. Gayatri Aaluri, MDGalveston, TX1821928508
  3. Anunaya AashishDenton, TX1134246374
  4. Queenie Ann Abad, M.D.San Antonio, TX1174979785
  5. Fuad Abaleka, M.DLubbock, TX1861925596
  6. Carol Abalihi, M.D.El Paso, TX1326136243
  7. Oliverio Abarca Guzman, MDHarlingen, TX1346972940
  8. Obinna Abaribe, M.DMansfield, TX1457704355
  9. Enyinnaya Abarikwu, MDTyler, TX1174788178
  10. Sulaiman Abawi, D.O.Frisco, TX1780845255

Common questions

What is Niels August Ryden, MD's NPI number?

Niels August Ryden, MD's National Provider Identifier (NPI) is 1922709633, issued on Mar 10, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Niels August Ryden, MD located?

The NPPES record lists a practice address at 3551 Roger Brooke Dr., Jbsa Fort Sam Houston, TX, 78234. Phone: (210) 292-7805. Providers update this record themselves, so call before visiting.

How can I verify Niels August Ryden, MD's license?

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. 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.