Daniel Mason, M.D.
NPI 1043502305 · Psychiatry Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Mason, M.D. is a Psychiatry Physician provider in Stanford, CA (NPI 1043502305).
Provider details
- NPI number
- 1043502305
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A122265 (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
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 401 Quarry RdPalo Alto, CA 94304-1419Phone: (650) 723-6643
Registry dates
- Enumerated
- 2011-05-05
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is Daniel Mason's NPI number?
- Daniel Mason's National Provider Identifier (NPI) is 1043502305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Mason's specialty?
- Daniel Mason is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Mason located?
- Daniel Mason's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Daniel Mason's phone number?
- The practice phone number listed in the NPPES registry for Daniel Mason is (650) 723-4000.
- Does Daniel Mason accept Medicare?
- Daniel Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Mason's NPI active?
- Yes — Daniel Mason's NPI (1043502305) is active in the NPPES registry as of the last update on 2024-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.