Doctor profile · Federal record

Dr. GEOFFREY GRAMMER, M.D.

Psychiatry Physician (CMS: PSYCHIATRY) · Behavioral Neurology & Neuropsychiatry Physician · Geriatric Psychiatry Physician · Internal Medicine Physician · OLNEY, MD

  • NPI 1528141017
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
3460 OLNEY LAYTONSVILLE RD STE 212
OLNEY, MD 208323701
(301) 982-3437
Additional location
1003 W 7th St # 200
Frederick, MD 217014106
(301) 245-6300
Additional location
15005 Shady Grove Rd Ste 400
Rockville, MD 208506321
(855) 940-4867
Show 2 more locations
Additional location
3416 Olandwood Ct
Olney, MD 208321372
(301) 969-4060
Additional location
7474 Greenway Center Dr Ste 700A
Greenbelt, MD 207703523
Mailing address
3416 OLANDWOOD CT
OLNEY, MD 208321372

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 10, 2023
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Maryland #D0080837 · Virginia #0101056625

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528141017. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,548
Distinct HCPCS
4
Medicare allowed
$155,392
HCPCS Description Services Patients Avg allowed
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 896 22 $35
90868 Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management 369 28 $198
99215 Established patient office or other outpatient visit, 40-54 minutes 225 22 $200
99213 Established patient office or other outpatient visit, 20-29 minutes 58 23 $97

In context: peer comparison

Among 1 peers in this city , average services per provider: 387. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$181
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, Inc. 1 $103.32
Janssen Pharmaceuticals, Inc 2 $47.93
Neuronetics, Inc. 1 $29.32

By nature of payment

Food and Beverage
$181

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
199
Patients
0
Total drug cost
$185,651
Drug Type Claims Patients Total cost
Spravato (Esketamine Hcl) Brand 151 0 $184,240
Clonazepam Generic 25 0 $44
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 12 0 $411
Vilazodone Hcl Generic 11 0 $956