Prabhsharn Grewal, MD
NPI 1588232961 · Internal Medicine Physician · Oregon, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Prabhsharn Grewal, MD is a Internal Medicine Physician provider in Oregon, OH (NPI 1588232961).
Provider details
- NPI number
- 1588232961
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35150910 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
347 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 110 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 95 | $75 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $84 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 24 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $165 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 82 | 61 |
| Amlodipine Besylate | 71 | 50 |
| Gabapentin | 50 | 33 |
| Lisinopril | 46 | 24 |
| Furosemide | 46 | 30 |
| Levothyroxine Sodium | 40 | 26 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-06-14
- Last updated
- 2024-05-03
- Certified
- 2024-05-03
Frequently asked questions
- What is Prabhsharn Grewal's NPI number?
- Prabhsharn Grewal's National Provider Identifier (NPI) is 1588232961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Prabhsharn Grewal's specialty?
- Prabhsharn Grewal is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Prabhsharn Grewal located?
- Prabhsharn Grewal's practice location on file with NPPES is 3841 Navarre Ave, Oregon, OH 43616-3435.
- What is Prabhsharn Grewal's phone number?
- The practice phone number listed in the NPPES registry for Prabhsharn Grewal is (419) 691-8132.
- Does Prabhsharn Grewal accept Medicare?
- Prabhsharn Grewal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Prabhsharn Grewal's NPI active?
- Yes — Prabhsharn Grewal's NPI (1588232961) is active in the NPPES registry as of the last update on 2024-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.