Michael Gross, M.D.
NPI 1265653331 · Psychiatry Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Gross, M.D. is a Psychiatry Physician provider in Rockville, MD (NPI 1265653331).
Provider details
- NPI number
- 1265653331
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0031666 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
949 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 347 | $97 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 321 | $63 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 136 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $101 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 13 | $208 |
Typical Medicare-allowed amounts for these services range $63–$208 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 72 | 12 |
| Lamotrigine | 68 | 11 |
| Clozapine | 62 | — |
| Alprazolam | 56 | 11 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 49 | — |
| Benztropine Mesylate | 39 | — |
| Lithium Carbonatebrand: Lithium Carbonate Er | 37 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-02
- Last updated
- 2017-01-18
Frequently asked questions
- What is Michael Gross's NPI number?
- Michael Gross's National Provider Identifier (NPI) is 1265653331, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Gross's specialty?
- Michael Gross is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Gross located?
- Michael Gross's practice location on file with NPPES is 966 Hungerford Dr, Rockville, MD 20850-1714.
- What is Michael Gross's phone number?
- The practice phone number listed in the NPPES registry for Michael Gross is (301) 251-2323.
- Does Michael Gross accept Medicare?
- Michael Gross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Gross's NPI active?
- Yes — Michael Gross's NPI (1265653331) is active in the NPPES registry as of the last update on 2017-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.