Kenneth S. Blumenfeld, MD. P.C.
NPI 1871707984 · Neurological Surgery Physician · San Jose, CA
Kenneth S. Blumenfeld, MD. P.C. is a Neurological Surgery Physician organization in San Jose, CA (NPI 1871707984).
Provider details
- NPI number
- 1871707984
- Entity type
- Organization
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Kenneth Blumenfeld, M.D.(408) 358-0133
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
- 2007-05-09
- Last updated
- 2012-08-21
Frequently asked questions
- What is Kenneth S. Blumenfeld, MD. P.C.'s NPI number?
- Kenneth S. Blumenfeld, MD. P.C.'s National Provider Identifier (NPI) is 1871707984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kenneth S. Blumenfeld, MD. P.C.?
- Kenneth S. Blumenfeld, MD. P.C. is classified in the NPPES registry as Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth S. Blumenfeld, MD. P.C. located?
- Kenneth S. Blumenfeld, MD. P.C.'s practice location on file with NPPES is 2577 Samaritan Dr, San Jose, CA 95124-4100.
- What is Kenneth S. Blumenfeld, MD. P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Kenneth S. Blumenfeld, MD. P.C. is (408) 358-0133.
- Who is the authorized official for Kenneth S. Blumenfeld, MD. P.C.?
- The authorized official listed on Kenneth S. Blumenfeld, MD. P.C.'s NPPES record is Kenneth Blumenfeld, M.D.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kenneth S. Blumenfeld, MD. P.C.'s NPI active?
- Yes — Kenneth S. Blumenfeld, MD. P.C.'s NPI (1871707984) is active in the NPPES registry as of the last update on 2012-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.