Michael Nierenberg, MD
NPI 1790834133 · Internal Medicine Physician · Palo Alto, CA
Michael Nierenberg, MD is a Internal Medicine Physician provider in Palo Alto, CA (NPI 1790834133).
Provider details
- NPI number
- 1790834133
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G25384 (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
- 2007-01-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Nierenberg's NPI number?
- Michael Nierenberg's National Provider Identifier (NPI) is 1790834133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Nierenberg's specialty?
- Michael Nierenberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Nierenberg located?
- Michael Nierenberg's practice location on file with NPPES is 2625 Middlefield Rd, Palo Alto, CA 94306.
- What is Michael Nierenberg's phone number?
- The practice phone number listed in the NPPES registry for Michael Nierenberg is (650) 493-5359.
- Is Michael Nierenberg's NPI active?
- Yes — Michael Nierenberg's NPI (1790834133) 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.