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

Dr. Homayoon Mahjoob, MD

Individual provider Gastroenterology Physician · NPI 1740494178

Dr. Homayoon Mahjoob, MD is a Gastroenterology in Glenn Dale, Maryland. Qualified in 1991, 35 years ago. Works from 4 locations and accepts Medicare assignment. Licensed in Delaware, Massachusetts and Michigan.

Years since qualifying
35
Licensed in
DE, MA, MI
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

12150 Annapolis Rd Ste 312
Glenn Dale, MD 20769-9183
Phone: (301) 352-7771
Show map & directions

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

Additional practice locations (3)

  • 33663 Bayview Medical Dr Unit 2, Lewes, DE 19958-1663 — (302) 645-9325
  • 424 Savannah Rd, Lewes, DE 19958-1462 — (302) 645-9325
  • 18947 John J Williams Hwy, Rehoboth Beach, DE 19971-4474 — (302) 645-9325

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 236692 (MA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence EMC0005932 (MI)
Gastroenterology Physician Taxonomy 207RG0100X · Licence C1-0028553 (DE)

Record details

NPI number1740494178
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2007
Last updated in NPPESOctober 9, 2025
Certification dateOctober 9, 2025

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare