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

Dr. Jacob Fredrick Collen, MD

Individual provider Pulmonary Disease Physician · NPI 1528164704

Dr. Jacob Fredrick Collen, MD is an Internal Medicine in Washington, District of Columbia. Graduated from Uniformed Services Uhs Fe Hebert School of Med in 2002, 24 years ago. Practices with Frederick Health Medical Group LLC, a 202-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in District of Columbia and Maryland.

Years since qualifying
24
Trained at
Uniformed Services Uhs Fe Hebert School of Med
Licensed in
DC, MD
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5255 Loughboro Rd NW
Washington, DC 20016-2633
Phone: (410) 955-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 8901 Rockville Pike, Bethesda, MD 20889-0001 — (703) 966-1598
  • 1562 Opossumtown Pike, Frederick, MD 21702-4920 — (301) 662-8119

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence MD500002488 (DC)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence D79963 (MD)

Record details

NPI number1528164704
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 15, 2006
Last updated in NPPESMarch 19, 2025
Certification dateMarch 19, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesPULMONARY DISEASE
Medical schoolUNIFORMED SERVICES UHS FE HEBERT SCHOOL OF MED
Graduated 2002 (24 years in practice)
Group practice Frederick Health Medical Group Llc — 202 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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