Stephen Butler, MD
NPI 1487646964 · Neonatal-Perinatal Medicine Physician · Sacramento, CA
Stephen Butler, MD is a Neonatal-Perinatal Medicine Physician provider in Sacramento, CA (NPI 1487646964).
Provider details
- NPI number
- 1487646964
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- G41558 (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
- 2005-08-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Butler's NPI number?
- Stephen Butler's National Provider Identifier (NPI) is 1487646964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Butler's specialty?
- Stephen Butler is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Butler located?
- Stephen Butler's practice location on file with NPPES is 5151 F Street 2 South, Sacramento, CA 95819-3222.
- What is Stephen Butler's phone number?
- The practice phone number listed in the NPPES registry for Stephen Butler is (916) 733-8441.
- Is Stephen Butler's NPI active?
- Yes — Stephen Butler's NPI (1487646964) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.