Justin R. Harker
Counselor · Rockville, MD
Justin R. Harker is a counselor with a practice address in Rockville, Maryland, and NPI 1114605672, issued on Jul 6, 2023. Check the license (Maryland A0791, 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
- Justin R. Harker
- Primary taxonomy
- Counselor 101Y00000X
- License number
- A0791 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9707 Key West Ave Ste 100, Rockville, MD 20850
- Phone
- (240) 750-6467
- Enumerated
- Jul 6, 2023
- Record last updated
- Jul 6, 2023
- Entity
- Type 1 · individual
8 nearest counselor records → All 1,021 in Maryland → Look up another NPI →
Also registered at 9707 Key West Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Garra ApplingPsychologist1285463380
- Kristen Becker, PSYDClinical Psychologist1215596929
- Shelby Beierl, LCPCMental Health Counselor1053886119
- Vanessa Buonopane, PSY.D.Clinical Psychologist1780239616
- Skylee Campbell, PSY.D.Psychologist1760875041
Verify Justin R. Harker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license A0791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Justin R. Harker among 1,021 counselor records in Maryland
Justin R. Harker is one of 1,021 counselor records with a practice address in Maryland. 4% 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 2023, is newer than 69% of them.
- NPI issued2023 · 69% of these records are older, 23% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2023 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Counselor providers in Maryland
There are 1,021 counselor records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,021 in Maryland → Every provider in Rockville → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Marja BookerRockville, MD 208501538579677
- Teresa Butler, LCPCRockville, MD 208501265859086
- Jean CampenniRockville, MD 208501598967564
- Gregory ClementsRockville, MD 208501598251191
- Genevieve Dewitt, LGPCRockville, MD 208501508572017
- Miriam Goldstein, LMSWRockville, MD 208501730774845
- Keondra KingRockville, MD 208501447745427
- Jannah MuhammadRockville, MD 208501356236749
Common questions
What is Justin R. Harker's NPI number?
Justin R. Harker's National Provider Identifier (NPI) is 1114605672, issued on Jul 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Justin R. Harker located?
The NPPES record lists a practice address at 9707 Key West Ave Ste 100, Rockville, MD, 20850. Phone: (240) 750-6467. Providers update this record themselves, so call before visiting.
How can I verify Justin R. Harker's license?
NPPES lists Maryland license number A0791, 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.