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

Dr. Geoffrey Garland Grammer, MD

Individual provider Behavioral Neurology & Neuropsychiatry Physician · NPI 1528141017

Dr. Geoffrey Garland Grammer, MD is a Psychiatry in Olney, Maryland. Graduated from Uniformed Services Uhs Fe Hebert School of Med in 2005, 21 years ago. Practices with Arman C. Moshyedi, MD, LLC, a 15-clinician group, works from 5 locations, accepts Medicare assignment and offers telehealth. Licensed in Maryland and Virginia.

Years since qualifying
21
Trained at
Uniformed Services Uhs Fe Hebert School of Med
Licensed in
MD, VA
In the registry since
2006
Specialties on file
4
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

3460 Olney Laytonsville Rd Ste 212
Olney, MD 20832-3701
Phone: (301) 982-3437
Show map & directions

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

Additional practice locations (4)

  • 1003 W 7th St # 200, Frederick, MD 21701-4106 — (301) 245-6300
  • 7474 Greenway Center Dr Ste 700a, Greenbelt, MD 20770-3523 — (301) 982-3437
  • 3416 Olandwood Ct, Olney, MD 20832-1372 — (301) 969-4060
  • 15005 Shady Grove Rd Ste 400, Rockville, MD 20850-6321 — (855) 940-4867

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence D0080837 (MD)
Behavioral Neurology & Neuropsychiatry Physician Taxonomy 2084B0040X · Licence D0080837 (MD)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence 0101056625 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101056625 (VA)

Record details

NPI number1528141017
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 20, 2006
Last updated in NPPESJuly 10, 2023
Certification dateJuly 10, 2023

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Also practisesGERIATRIC PSYCHIATRY
Medical schoolUNIFORMED SERVICES UHS FE HEBERT SCHOOL OF MED
Graduated 2005 (21 years in practice)
Group practice Arman C. Moshyedi, Md, Llc — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare