Steven Oppenheimer, MD
NPI 1962435396 · Infectious Disease Physician · Castro Valley, CA
Steven Oppenheimer, MD is a Infectious Disease Physician provider in Castro Valley, CA (NPI 1962435396).
Provider details
- NPI number
- 1962435396
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G13434 (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
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
- 2006-07-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Steven Oppenheimer's NPI number?
- Steven Oppenheimer's National Provider Identifier (NPI) is 1962435396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Oppenheimer's specialty?
- Steven Oppenheimer is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Oppenheimer located?
- Steven Oppenheimer's practice location on file with NPPES is 20103 Lake Chabot Rd, Castro Valley, CA 94546-5305.
- What is Steven Oppenheimer's phone number?
- The practice phone number listed in the NPPES registry for Steven Oppenheimer is (510) 566-8331.
- Is Steven Oppenheimer's NPI active?
- Yes — Steven Oppenheimer's NPI (1962435396) 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.