Doctor profile · Federal record

Dr. Michael Gross, M.D.

Psychiatry Physician (CMS: Psychiatry) · Rockville, MD

  • NPI 1265653331
  • Accepts Medicare
  • 46 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
966 Hungerford Dr, Ste 2
Rockville, MD 208501714
(301) 251-2323
fax (301) 340-6769

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
January 18, 2017
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Maryland #D0031666
Medicaid
MD #623511500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265653331. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
755
Distinct HCPCS
4
Medicare allowed
$59,453
HCPCS Description Services Patients Avg allowed
90836 Psychotherapy with evaluation and management visit, 45 minutes 340 52 $95
99212 Established patient office or other outpatient visit, 10-19 minutes 320 49 $64
99441 Telephone medical discussion with physician, 5-10 minutes 59 16 $64
90833 Psychotherapy with evaluation and management visit, 30 minutes 36 14 $75

In context: peer comparison

Among 11 peers in Rockville Psychiatry Physician, average services per provider: 181. This provider delivers 4.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
604
Patients
23
Total drug cost
$162,234
Drug Type Claims Patients Total cost
Clonazepam Generic 100 12 $855
Clozapine Generic 65 0 $9,411
Lamotrigine Generic 57 11 $1,406
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 50 0 $7,198
Caplyta (Lumateperone Tosylate) Brand 48 0 $78,195
Alprazolam Generic 43 0 $645
Lithium Carbonate ER (Lithium Carbonate) Brand 36 0 $1,079
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 32 0 $1,064
Duloxetine Hcl Generic 30 0 $2,098
Sertraline Hcl Generic 30 0 $743

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Gross's medical specialty?
Dr. Michael Gross practices Psychiatry Physician in Rockville, MD.
Where does Dr. Michael Gross practice?
Dr. Michael Gross practices at 966 Hungerford Dr, Rockville, MD 208501714. Office phone: 3012512323.
What is Dr. Michael Gross's NPI?
Dr. Michael Gross's National Provider Identifier (NPI) is 1265653331, issued by NPPES.
Does Dr. Michael Gross accept Medicare assignment?
Yes. Dr. Michael Gross accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Gross commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90836); Established patient office or other outpatient visit (HCPCS 99212); Telephone medical discussion with physician (HCPCS 99441). Source: CMS Medicare Physician & Other Practitioners file.