John F. Harrison, PA
Physician Assistant · Rockville, MD
John F. Harrison, PA is a physician assistant with a practice address in Rockville, Maryland, and NPI 1649325945, issued on Jan 24, 2007. Check the license (Maryland C0000911, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John F. Harrison
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C0000911 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2101 E Jefferson St, Rockville, MD 20852
- Phone
- (301) 816-6660
- Enumerated
- Jan 24, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 2101 E Jefferson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John F. Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C0000911Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John F. Harrison among 3,224 physician assistant records in Maryland
John F. Harrison, PA is one of 3,224 physician assistant records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 75% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2007 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
115 physician assistant records list a practice address in Rockville
They are 115 of the 14,353 NPPES records with a practice address in Rockville, and 3,224 physician assistant records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,224 in Maryland → Every provider in Rockville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Mariam Aboutaj, PARockville, MD 208521679081053
- Elizabeth Christenson, PA-CRockville, MD 208521578899399
- Charles Goodie, PA-CRockville, MD 208521467581561
- Jennifer Gularson, P.A.-CRockville, MD 208521548266752
- Emily Guntle, PA-CRockville, MD 208521326419904
- Lori Indenbaum, PA-CRockville, MD 208521255340683
- Aaron Jacob, PA-CRockville, MD 208521710499140
- Laurie KelleyRockville, MD 208521922259522
Common questions
What is John F. Harrison, PA's NPI number?
John F. Harrison, PA's National Provider Identifier (NPI) is 1649325945, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John F. Harrison, PA located?
The NPPES record lists a practice address at 2101 E Jefferson St, Rockville, MD, 20852. Phone: (301) 816-6660. Providers update this record themselves, so call before visiting.
How can I verify John F. Harrison, PA's license?
NPPES lists Maryland license number C0000911, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.