NPPES file of Aug 9, 2026

Royden W. Marsh, M.D.

Psychiatry Physician · Brooks City Base, TX

Royden W. Marsh, M.D. is a psychiatry physician with a practice address in Brooks City Base, Texas, and NPI 1851379093, issued on Jan 6, 2006. Check the license (Texas G4167, 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
1851379093
Name
Royden W. Marsh
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
G4167 TX
19680 CO
Self-reported in NPPES; status is on the state search
Practice location
2507 Kennedy Cir, Brooks City Base, TX 78235
Phone
(210) 536-3107
Enumerated
Jan 6, 2006
Record last updated
Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
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 psychiatry physician records → All 3,318 in Texas → Look up another NPI →

Also registered at 2507 Kennedy Cir

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

  1. Douglas Ivan, MDOphthalmology Physician1033273768
  2. John Patterson, PH.D.Clinical Psychologist1851369631

Verify Royden W. Marsh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license G4167    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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Royden W. Marsh among 3,318 psychiatry physician records in Texas

Royden W. Marsh, M.D. is one of 3,318 psychiatry physician records with a practice address in Texas. 72% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 65% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2007 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 psychiatry physician record lists a practice address in Brooks City Base

They are 1 of the 19 NPPES records with a practice address in Brooks City Base, and 3,318 psychiatry physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,318 in Texas → Every provider in Brooks City Base → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Nasim Akther, MD, PMHNP BCSan Antonio, TX 782351881903623
  2. Robert Kidder, DOSan Antonio, TX 782351609457464
  3. Andrew Meigs, DOSan Antonio, TX 782351164276069
  4. Kaitlyn Thompson, DOSan Antonio, TX 782351487408068
  5. James Alewine, DOFort Sam Houston, TX 782341154810042
  6. Share Angel, M.D.Fort Sam Houston, TX 782341992977128
  7. Stephen Edstrom, M.D.Jbsa Lackland, TX 782361396942264
  8. Matthew Fisher, MDFort Sam Houston, TX 782341114489465

Common questions

What is Royden W. Marsh, M.D.'s NPI number?

Royden W. Marsh, M.D.'s National Provider Identifier (NPI) is 1851379093, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Royden W. Marsh, M.D. located?

The NPPES record lists a practice address at 2507 Kennedy Cir, Brooks City Base, TX, 78235. Phone: (210) 536-3107. Providers update this record themselves, so call before visiting.

How can I verify Royden W. Marsh, M.D.'s license?

NPPES lists Texas license number G4167, 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.