Harold Portnoy, M.D.
Harold Portnoy, M.D. is a specialist practicing in Southfield, MI. The NPI was issued on September 29, 2005, and the record was last updated in NPPES on July 13, 2026.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Specialist Primary | 174400000X | 4301022482 (MI) |
Practice location
Local context
Active NPPES records list 670 providers with specialist as the primary taxonomy within 25 miles of this practice location's ZIP code, 264 of them within 10 miles.
The same primary taxonomy is listed by 1,486 in Michigan and 89,620 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Harold Portnoy
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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