Dr. Prabhsharn Singh Grewal, MD
- Medicare services, 2024
- 363
- Medicare patients, 2024
- 179
- Part D claims, 2024
- 1,491
- Hospital affiliations
- 4
- Industry payments
- $55
- Practice address
- 2600 Navarre Ave, Oregon, OH 43616
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy St Charles Acute Inpatient Rehabilitation - Unit
Acute Care Hospital-Unit · Oregon, Ohio
Find Dr. Grewal's professional email, personal email and mobile number
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Dr. Prabhsharn Singh Grewal is an internist in Oregon, Ohio
Dr. Grewal practices at Mercy St Charles Acute Inpatient Rehabilitation - Unit in Oregon, Ohio.
Dr. Grewal's NPI, 1588232961, was assigned on June 14, 2021. Dr. Grewal holds Ohio license 35150910.
- NPI
- 1588232961NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961945134
- NPI enumeration date
- June 14, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Prabhsharn Singh Grewal practices at Mercy St Charles Acute Inpatient Rehabilitation - Unit in Oregon, Ohio
Dr. Grewal's primary practice is Mercy St Charles Acute Inpatient Rehabilitation - Unit, at 2600 Navarre Ave, Oregon, OH 43616.
- Mercy St Charles Acute Inpatient Rehabilitation - Unit2600 Navarre Ave, Oregon, OH 43616
Source: Dmand AI Affiliation Data
Dr. Prabhsharn Singh Grewal is affiliated with 6 sites of care and 1 medical group
Dr. Grewal's primary practice is Mercy St Charles Acute Inpatient Rehabilitation - Unit in Oregon, Ohio. Dr. Grewal is also affiliated with ProMedica Toledo Hospital. The medical group on file is Mercy Health Physicians. Dmand AI also links Dr. Grewal to 2 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Prabhsharn Singh Grewal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grewal practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy St Charles Acute Inpatient Rehabilitation - Unit | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Prabhsharn Singh Grewal is one of 4,708 internists in Ohio
Internal medicine is Dr. Grewal's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grewal is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Grewal
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Prabhsharn Singh Grewal billed Medicare for 363 services in 2024
CMS data shows 363 Medicare services from Dr. Grewal across 10 procedure codes in 2024, for 179 Medicare patients. Medicare paid $27,652 for them.
Dr. Grewal's Medicare services by type, 2024
- Office and hospital visits317
- Other services19
- Tests and treatments16
- Lab and pathology11
Where Dr. Grewal's Medicare services took place, 2024
- In an office19654%
- In a facility16746%
Dr. Grewal compared with the Ohio median for internists, 2024
- Dr. Grewal
- Ohio median
- Medicare services
- 363vs 48725% below
- Medicare patients
- 179vs 1927% below
- Part D claims
- 980vs 2943.3 times
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Grewal's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Prabhsharn Singh Grewal treated 179 Medicare patients in 2024, average age 72
CMS counts 179 Medicare patients who saw Dr. Grewal in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Grewal's median patient age at 64, with 50% women.
Dr. Grewal's Medicare patients by age, 2024
Dr. Grewal's Medicare patients by sex, 2024
- Women8950%
- Men9050%
Chronic conditions among Dr. Grewal's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis51%
- Mood disorders43%
- Diabetes42%
- Depression40%
- Ischemic heart disease40%
- Anxiety39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grewal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Prabhsharn Singh Grewal wrote 1,491 Medicare Part D claims in 2024
In 2024, Dr. Grewal wrote 1,491 Medicare Part D claims for 404 patients. 84% of them were for generic drugs. CMS names the drug for 980 of them, across 39 drugs with 11 or more claims each, at $41,620 in total drug cost. In 2023, CMS named 510 claims across 23 drugs.
Dr. Grewal's Part D claims by kind of drug, 2024
- Generic1,246 claims84%
- Brand-name213 claims14%
- Other32 claims2%
Dr. Grewal's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Grewal's Part D claims, 2024
- Opioids2%35 of 1,491 claims
- Antibiotics5%73 of 1,491 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5102024: 98092%
Drugs named by CMS: 39 in 2024, 23 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Prabhsharn Singh Grewal takes part in Medicare
Dr. Grewal accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Prabhsharn Singh Grewal received $55 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Grewal from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $55.
General payments to Dr. Grewal by program year, 2024 to 2025
Companies that paid Dr. Grewal the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Prabhsharn Singh Grewal's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Prabhsharn Singh Grewal
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Prabhsharn Singh Grewal's NPI number?
Dr. Prabhsharn Singh Grewal's NPI number is 1588232961. It was assigned on June 14, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Prabhsharn Singh Grewal?
Dr. Prabhsharn Singh Grewal is an internist in Oregon, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Prabhsharn Singh Grewal practice?
Dr. Grewal practices at 2600 Navarre Ave, Oregon, OH 43616. Dr. Grewal's primary practice is Mercy St Charles Acute Inpatient Rehabilitation - Unit in Oregon, Ohio. Dmand AI also links Dr. Grewal to 2 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Prabhsharn Singh Grewal's medical license number?
Dr. Grewal holds Ohio license 35150910.
Which hospitals is Dr. Prabhsharn Singh Grewal affiliated with?
Dr. Grewal is affiliated with ProMedica Toledo Hospital. Dmand AI links Dr. Grewal to 3 more hospitals.
What medical group is Dr. Prabhsharn Singh Grewal part of?
Dr. Grewal is linked to Mercy Health Physicians.
Does Dr. Prabhsharn Singh Grewal accept Medicare?
Yes. CMS data shows Dr. Grewal billed Medicare for 363 services in 2024, and Dr. Grewal accepts Medicare assignment.
How many Medicare patients does Dr. Prabhsharn Singh Grewal see?
CMS counts 179 Medicare patients who saw Dr. Grewal in 2024, with an average age of 72.
What services does Dr. Prabhsharn Singh Grewal bill to Medicare?
In 2024, Dr. Grewal's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and office visit, established patient (99213).
What drugs does Dr. Prabhsharn Singh Grewal prescribe most?
In 2024 Medicare Part D data, Dr. Grewal's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Gabapentin.
Has Dr. Prabhsharn Singh Grewal received payments from drug or device companies?
CMS Open Payments shows $55 in general payments to Dr. Grewal from 1 company from 2024 to 2025. The largest total came from Exact Sciences Corporation.
How long has Dr. Prabhsharn Singh Grewal been practicing?
Dr. Grewal graduated from medical school in 2018, 8 years ago.
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