Macmaster Psychiatric Services a Professional Nursing Corporation
NPI 1174456883 · Geriatric Psychiatry Physician · Mountain House, CA
Macmaster Psychiatric Services a Professional Nursing Corporation is a Geriatric Psychiatry Physician organization in Mountain House, CA (NPI 1174456883).
Provider details
- NPI number
- 1174456883
- Entity type
- Organization
- Primary specialty
- Geriatric Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jacob Macmaster, Owner(559) 776-8864
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
Under 1 yr in 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
- 2026-06-04
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Macmaster Psychiatric Services a Professional Nursing Corporation's NPI number?
- Macmaster Psychiatric Services a Professional Nursing Corporation's National Provider Identifier (NPI) is 1174456883, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Macmaster Psychiatric Services a Professional Nursing Corporation?
- Macmaster Psychiatric Services a Professional Nursing Corporation is classified in the NPPES registry as Geriatric Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Macmaster Psychiatric Services a Professional Nursing Corporation located?
- Macmaster Psychiatric Services a Professional Nursing Corporation's practice location on file with NPPES is 1510 S Barker St, Mountain House, CA 95391-1473.
- What is Macmaster Psychiatric Services a Professional Nursing Corporation's phone number?
- The practice phone number listed in the NPPES registry for Macmaster Psychiatric Services a Professional Nursing Corporation is (559) 776-8864.
- Who is the authorized official for Macmaster Psychiatric Services a Professional Nursing Corporation?
- The authorized official listed on Macmaster Psychiatric Services a Professional Nursing Corporation's NPPES record is Jacob Macmaster, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Macmaster Psychiatric Services a Professional Nursing Corporation's NPI active?
- Yes — Macmaster Psychiatric Services a Professional Nursing Corporation's NPI (1174456883) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.