Sierra Housecalls Medical Group
NPI 1801827555 · Geriatric Medicine (Family Medicine) Physician · Sonora, CA
Sierra Housecalls Medical Group is a Geriatric Medicine (Family Medicine) Physician organization in Sonora, CA (NPI 1801827555).
Provider details
- NPI number
- 1801827555
- Entity type
- Organization
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Matthew Personius, Owner/President(209) 532-4287
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Gerontology Clinical Nurse Specialist364SG0600X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-05
- Last updated
- 2008-04-11
Frequently asked questions
- What is Sierra Housecalls Medical Group's NPI number?
- Sierra Housecalls Medical Group's National Provider Identifier (NPI) is 1801827555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sierra Housecalls Medical Group?
- Sierra Housecalls Medical Group is classified in the NPPES registry as Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sierra Housecalls Medical Group located?
- Sierra Housecalls Medical Group's practice location on file with NPPES is 183 Fairview Ln, Sonora, CA 95370-4856.
- What is Sierra Housecalls Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Sierra Housecalls Medical Group is (209) 532-4287.
- Who is the authorized official for Sierra Housecalls Medical Group?
- The authorized official listed on Sierra Housecalls Medical Group's NPPES record is Matthew Personius, Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sierra Housecalls Medical Group's NPI active?
- Yes — Sierra Housecalls Medical Group's NPI (1801827555) is active in the NPPES registry as of the last update on 2008-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.