Judy Bertelsen, M.D.
NPI 1881747426 · Geriatric Medicine (Internal Medicine) Physician · Alameda, CA
Judy Bertelsen, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Alameda, CA (NPI 1881747426).
Provider details
- NPI number
- 1881747426
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G79823 (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
- 2007-01-18
- Last updated
- 2009-01-16
Frequently asked questions
- What is Judy Bertelsen's NPI number?
- Judy Bertelsen's National Provider Identifier (NPI) is 1881747426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judy Bertelsen's specialty?
- Judy Bertelsen is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Judy Bertelsen located?
- Judy Bertelsen's practice location on file with NPPES is 2401 Blanding Ave, Alameda, CA 94501-1503.
- What is Judy Bertelsen's phone number?
- The practice phone number listed in the NPPES registry for Judy Bertelsen is (510) 486-1467.
- Is Judy Bertelsen's NPI active?
- Yes — Judy Bertelsen's NPI (1881747426) is active in the NPPES registry as of the last update on 2009-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.