Rajaprabhakaran Rajarethinam, MD
NPI 1427095918 · Psychiatry Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rajaprabhakaran Rajarethinam, MD is a Psychiatry Physician provider in Ann Arbor, MI (NPI 1427095918).
Provider details
- NPI number
- 1427095918
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301064033 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Behavioral Health & Social Service Providers
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
33 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 33 | $127 |
Typical Medicare-allowed amounts for these services range $127–$127 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clozapine | 65 |
| Aripiprazole | 44 |
| Haloperidol | 38 |
| Olanzapine | 33 |
| Lithium Carbonate | 29 |
| Quetiapine Fumarate | 27 |
| Fluphenazine Hcl | 24 |
| Divalproex Sodium | 21 |
| Duloxetine Hcl | 21 |
| Trazodone Hcl | 18 |
These counts cover prescriptions paid through Medicare Part D in 2024 — they include cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2015-02-13
Frequently asked questions
- What is Rajaprabhakaran Rajarethinam's NPI number?
- Rajaprabhakaran Rajarethinam's National Provider Identifier (NPI) is 1427095918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rajaprabhakaran Rajarethinam's specialty?
- Rajaprabhakaran Rajarethinam is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Rajaprabhakaran Rajarethinam located?
- Rajaprabhakaran Rajarethinam's practice location on file with NPPES is 3001 Plymouth Rd, Ann Arbor, MI 48105-3205.
- What is Rajaprabhakaran Rajarethinam's phone number?
- The practice phone number listed in the NPPES registry for Rajaprabhakaran Rajarethinam is (734) 846-2898.
- Does Rajaprabhakaran Rajarethinam accept Medicare?
- Rajaprabhakaran Rajarethinam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rajaprabhakaran Rajarethinam's NPI active?
- Yes — Rajaprabhakaran Rajarethinam's NPI (1427095918) is active in the NPPES registry as of the last update on 2015-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.