Royden Marsh, M.D.
NPI 1851379093 · Psychiatry Physician · Brooks City-Base, TX
Royden Marsh, M.D. is a Psychiatry Physician provider in Brooks City-Base, TX (NPI 1851379093).
Provider details
- NPI number
- 1851379093
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G4167 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-06
- Last updated
- 2007-07-12
Frequently asked questions
- What is Royden Marsh's NPI number?
- Royden Marsh's National Provider Identifier (NPI) is 1851379093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Royden Marsh's specialty?
- Royden Marsh is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Royden Marsh located?
- Royden Marsh's practice location on file with NPPES is 2507 Kennedy Cir, Brooks City-Base, TX 78235-5116.
- What is Royden Marsh's phone number?
- The practice phone number listed in the NPPES registry for Royden Marsh is (210) 536-3107.
- Is Royden Marsh's NPI active?
- Yes — Royden Marsh's NPI (1851379093) is active in the NPPES registry as of the last update on 2007-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.