Ryan Maher, M.D.
NPI 1831328418 · Anesthesiology Physician · Menlo Park, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Maher, M.D. is a Anesthesiology Physician provider in Menlo Park, CA (NPI 1831328418).
Provider details
- NPI number
- 1831328418
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A116031 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2009-07-05
- Last updated
- 2021-11-29
Frequently asked questions
- What is Ryan Maher's NPI number?
- Ryan Maher's National Provider Identifier (NPI) is 1831328418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Maher's specialty?
- Ryan Maher is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Maher located?
- Ryan Maher's practice location on file with NPPES is 1422 El Camino Real, Menlo Park, CA 94025-4110.
- What is Ryan Maher's phone number?
- The practice phone number listed in the NPPES registry for Ryan Maher is (650) 903-9500.
- Does Ryan Maher accept Medicare?
- Ryan Maher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Maher's NPI active?
- Yes — Ryan Maher's NPI (1831328418) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.