David Shirley, M.D.
NPI 1275560484 · Geriatric Medicine (Family Medicine) Physician · Rocklin, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Shirley, M.D. is a Geriatric Medicine (Family Medicine) Physician provider in Rocklin, CA (NPI 1275560484).
Provider details
- NPI number
- 1275560484
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G66004 (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
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
- 2006-06-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Shirley's NPI number?
- David Shirley's National Provider Identifier (NPI) is 1275560484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Shirley's specialty?
- David Shirley is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is David Shirley located?
- David Shirley's practice location on file with NPPES is 3031 Stanford Ranch Rd, Rocklin, CA 95765-5554.
- What is David Shirley's phone number?
- The practice phone number listed in the NPPES registry for David Shirley is (916) 677-7962.
- Does David Shirley accept Medicare?
- David Shirley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Shirley's NPI active?
- Yes — David Shirley's NPI (1275560484) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.