Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Doctors First Professional Corporation

Organization Internal Medicine Physician · NPI 1205432044

Doctors First Professional Corporation is an Internal Medicine Physician in Rockville, Maryland. Registered with an NPI since 2020.

In the registry since
2020

Practice location Address checks out

9601 Blackwell Rd Ste 210
Rockville, MD 20850-6491
Phone: (301) 200-1314
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1205432044
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jaky Callejas — Practice Manager · (240) 454-4682
NPI enumeratedDecember 8, 2020
Last updated in NPPESJuly 7, 2025
Certification dateJuly 7, 2025
Mailing address9601 Blackwell Rd Ste 210, Rockville, MD 20850-6491

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