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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. JOHN NICHOLAS HARKER, DO

Active Sole Proprietor

DR. JOHN NICHOLAS HARKER, DO is a Orthopaedic Surgery healthcare provider located in LARGO, Florida. NPI 1013026269 is currently active in the NPPES registry. Verify at CMS.

Orthopaedic Surgery · LARGO, FL

Registration Details

NPI Number
1013026269
Provider Type
Individual
Gender
Male
NPI Issued
Aug 30, 2006 (19.972282540003 yrs)
Last Updated
Sep 12, 2025
Licenses
20A23999 (CA)
OS-0006819 (FL)
Sole Proprietor
Yes

Practice Information

Address
12955 SEMINOLE BLVD
LARGO, FL, 337782399
Browse FL providers · Browse ZIP 33778
Phone
7275864752
Primary Specialty
Orthopaedic Surgery
207X00000X
Additional Specialty
Orthopaedic Surgery

Other Orthopaedic Surgery Providers in LARGO, FL

Name Credential NPI
BRIAN D. BURKE M.D. 1225023989
DR. VLADIMIR A ALEXANDER M.D. 1417990862
ROBERT GORDON LEWIS M.D. 1255369120
DR. PHILIP CHRIST DO 1992729214
WILLIAM J. BUCHANAN MD 1700953643
DR. RICHARD L CRANK JR. D.O. 1205074424
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.