Leonard Rosen, M.D.
NPI 1841283587 · Psychiatry Physician · Farmington Hills, MI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Rosen, M.D. is a Psychiatry Physician provider in Farmington Hills, MI (NPI 1841283587).
Provider details
- NPI number
- 1841283587
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301033083 (MI)
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
20 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
241 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 | 97 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $91 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 38 | $125 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 26 | $73 |
Typical Medicare-allowed amounts for these services range $73–$125 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Alprazolam | 74 |
| Duloxetine Hcl | 32 |
| Aripiprazole | 16 |
| Risperidone | 16 |
| Lamotrigine | 14 |
| Clonazepam | 13 |
| Brexpiprazolebrand: Rexulti | 13 |
| Buspirone Hcl | 12 |
| Diazepam | 12 |
| Bupropion Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-29
- Last updated
- 2012-12-26
Frequently asked questions
- What is Leonard Rosen's NPI number?
- Leonard Rosen's National Provider Identifier (NPI) is 1841283587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Rosen's specialty?
- Leonard Rosen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Rosen located?
- Leonard Rosen's practice location on file with NPPES is 30538 Fox Club Dr, Farmington Hills, MI 48331-1988.
- What is Leonard Rosen's phone number?
- The practice phone number listed in the NPPES registry for Leonard Rosen is (734) 365-3135.
- Does Leonard Rosen accept Medicare?
- Leonard Rosen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Rosen's NPI active?
- Yes — Leonard Rosen's NPI (1841283587) is active in the NPPES registry as of the last update on 2012-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.