Prabhjot Grewal
NPI 1578105334 · Psychiatric/Mental Health Nurse Practitioner · Centreville, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Prabhjot Grewal is a Psychiatric/Mental Health Nurse Practitioner provider in Centreville, MI (NPI 1578105334).
Provider details
- NPI number
- 1578105334
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 4704352068 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
78 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 36 | $71 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 26 | $45 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 16 | $157 |
Typical Medicare-allowed amounts for these services range $45–$157 (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 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 231 | 29 |
| Aripiprazole | 213 | 26 |
| Risperidone | 176 | 16 |
| Clonazepam | 173 | 22 |
| Trazodone Hcl | 167 | 25 |
| Lamotrigine | 151 | 24 |
| Sertraline Hcl | 143 | 20 |
| Duloxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-10-14
- Last updated
- 2022-09-23
- Certified
- 2022-09-23
Frequently asked questions
- What is Prabhjot Grewal's NPI number?
- Prabhjot Grewal's National Provider Identifier (NPI) is 1578105334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Prabhjot Grewal's specialty?
- Prabhjot Grewal is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Prabhjot Grewal located?
- Prabhjot Grewal's practice location on file with NPPES is 677 E Main St, Centreville, MI 49032-8524.
- What is Prabhjot Grewal's phone number?
- The practice phone number listed in the NPPES registry for Prabhjot Grewal is (269) 467-1000.
- Does Prabhjot Grewal accept Medicare?
- Prabhjot Grewal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Prabhjot Grewal's NPI active?
- Yes — Prabhjot Grewal's NPI (1578105334) is active in the NPPES registry as of the last update on 2022-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.