Stephen Fernbach, MD
NPI 1487002010 · Neonatal-Perinatal Medicine Physician · Los Altos, CA
Stephen Fernbach, MD is a Neonatal-Perinatal Medicine Physician provider in Los Altos, CA (NPI 1487002010).
Provider details
- NPI number
- 1487002010
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G21756 (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
10 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
- 2016-05-24
- Last updated
- 2016-05-24
Frequently asked questions
- What is Stephen Fernbach's NPI number?
- Stephen Fernbach's National Provider Identifier (NPI) is 1487002010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Fernbach's specialty?
- Stephen Fernbach is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Fernbach located?
- Stephen Fernbach's practice location on file with NPPES is 755 Thorsen Ct, Los Altos, CA 94024-6630.
- What is Stephen Fernbach's phone number?
- The practice phone number listed in the NPPES registry for Stephen Fernbach is (650) 941-6514.
- Is Stephen Fernbach's NPI active?
- Yes — Stephen Fernbach's NPI (1487002010) is active in the NPPES registry as of the last update on 2016-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.