Michael Polnerow, D.O.
NPI 1881680023 · Nephrology Physician · Wilmington, DE
Michael Polnerow, D.O. is a Nephrology Physician provider in Wilmington, DE (NPI 1881680023).
Provider details
- NPI number
- 1881680023
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- C2-0002419 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2005-09-22
- Last updated
- 2011-06-15
Frequently asked questions
- What is Michael Polnerow's NPI number?
- Michael Polnerow's National Provider Identifier (NPI) is 1881680023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Polnerow's specialty?
- Michael Polnerow is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Polnerow located?
- Michael Polnerow's practice location on file with NPPES is 701 N Clayton St Ste 401, Wilmington, DE 19805-3165.
- What is Michael Polnerow's phone number?
- The practice phone number listed in the NPPES registry for Michael Polnerow is (302) 421-9411.
- Is Michael Polnerow's NPI active?
- Yes — Michael Polnerow's NPI (1881680023) is active in the NPPES registry as of the last update on 2011-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.