Kenneth Widder, M.D.
NPI 1861885295 · Anatomic Pathology Physician · Rancho Santa Fe, CA
Kenneth Widder, M.D. is a Anatomic Pathology Physician provider in Rancho Santa Fe, CA (NPI 1861885295).
Provider details
- NPI number
- 1861885295
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G46485 (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
11 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
- 2015-03-10
- Last updated
- 2015-03-10
Frequently asked questions
- What is Kenneth Widder's NPI number?
- Kenneth Widder's National Provider Identifier (NPI) is 1861885295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Widder's specialty?
- Kenneth Widder is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Widder located?
- Kenneth Widder's practice location on file with NPPES is 16231 El Camino Real, Rancho Santa Fe, CA 92067.
- What is Kenneth Widder's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Widder is (619) 507-9827.
- Is Kenneth Widder's NPI active?
- Yes — Kenneth Widder's NPI (1861885295) is active in the NPPES registry as of the last update on 2015-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.