Peter Friend, M.D.
NPI 1609825256 · Nephrology Physician · La Jolla, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Friend, M.D. is a Nephrology Physician provider in La Jolla, CA (NPI 1609825256).
Provider details
- NPI number
- 1609825256
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G22253 (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
20 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
- 2006-05-10
- Last updated
- 2016-03-07
Frequently asked questions
- What is Peter Friend's NPI number?
- Peter Friend's National Provider Identifier (NPI) is 1609825256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Friend's specialty?
- Peter Friend is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Friend located?
- Peter Friend's practice location on file with NPPES is 9850 Genesee Ave, La Jolla, CA 92037-1224.
- What is Peter Friend's phone number?
- The practice phone number listed in the NPPES registry for Peter Friend is (858) 453-9460.
- Does Peter Friend accept Medicare?
- Peter Friend is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Friend's NPI active?
- Yes — Peter Friend's NPI (1609825256) is active in the NPPES registry as of the last update on 2016-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.