John Harcha, MD
John Harcha, MD holds NPI 1639548589, with a primary taxonomy of hematology & oncology physician and a practice location in Portsmouth, OH. The number was issued on September 22, 2015 and the NPPES record was last updated on July 16, 2026. The record lists 2 taxonomy codes.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Hematology & Oncology Physician Primary | 207RH0003X | 35.150724 (OH) |
| Internal Medicine Physician | 207R00000X | 35.150724 (OH) |
Practice location
Local context
Active NPPES records list 4 providers with hematology & oncology physician as the primary taxonomy within 25 miles of this practice location's ZIP code.
The same primary taxonomy is listed by 596 in Ohio and 17,688 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Other providers at this address
- Horia Vulpe, MD, CM (Radiation Oncology Physician)
Providers whose NPPES practice location has the same street address, listing those with a page here.
Record history
- Name on record
- John L. Harcha
- 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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