John, Marcus E.

John, Marcus E. is an sole proprietor health care provider with primary practice located at 640 E Diamond Ave , Gaithersburg MD 20877-5323. He recently has 2 registered licenses in different health care specialties including Behavioral Health & Social Service Providers / Clinical, Behavioral Health & Social Service Providers / School. Behavioral Health & Social Service Providers / School is his primary health care specialty. John, Marcus E. can be contacted via phone (202) 313-2397.

Contact Information

Primary practice address
640 E Diamond Ave Gaithersburg MD 20877-5323
Phone: (202) 313-2397
Fax:
Website:
Map and Directions

Health care specialties

SpecialtyCodeLicense #State
Behavioral Health & Social Service Providers / Clinical 1041C0700X 26518 Maryland
Behavioral Health & Social Service Providers / School 1041S0200X 26518 Maryland

Profile Details

NPI number 1770306557
LBN Legal business name John, Marcus E.
Credentials LCSW-C
Entity Individual
Sole proprietor 1 Yes
Enumeration date Nov 1st, 2024
Last updated Jan 9th, 2026 - about 9 months ago

1 A sole proprietor/sole proprietorship is an individual, and in that capacity, is qualified for a solitary NPI number. The sole proprietor have to apply for the NPI number using his or her own particular Social Security Number (SSN), instead of Employer Identification Number (EIN) regardless of whether he/she has an EIN.

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