Steven Mandelberg, MD
NPI 1881644870 · Anesthesiology Physician · Castro Valley, CA
Steven Mandelberg, MD is a Anesthesiology Physician provider in Castro Valley, CA (NPI 1881644870).
Provider details
- NPI number
- 1881644870
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- G71340 (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
- 2006-05-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Steven Mandelberg's NPI number?
- Steven Mandelberg's National Provider Identifier (NPI) is 1881644870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Mandelberg's specialty?
- Steven Mandelberg is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Mandelberg located?
- Steven Mandelberg's practice location on file with NPPES is 20998 Redwood Rd, Castro Valley, CA 94546-5918.
- What is Steven Mandelberg's phone number?
- The practice phone number listed in the NPPES registry for Steven Mandelberg is (510) 538-2828.
- Is Steven Mandelberg's NPI active?
- Yes — Steven Mandelberg's NPI (1881644870) 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.