NPPES file of Aug 9, 2026

Manjit Grewal, M.D.

Nephrology Physician · Flint, MI

Manjit Grewal, M.D. is a nephrology physician with a practice address in Flint, Michigan, and NPI 1982694519, issued on Oct 25, 2005. Check the license (Michigan 4301063741, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982694519
Name
Manjit Grewal
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
4301063741 MI
Self-reported in NPPES; status is on the state search
Practice location
G1071 N Ballenger Hwy, Flint, MI 48504
Phone
(810) 238-4172
Enumerated
Oct 25, 2005
Record last updated
Aug 14, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(810) 238-4153
Medicaid ID
411131110 MI
Medicare enrollment
Enrolled (PECOS I20050712000628); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at G1071 N Ballenger Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ahmad Abdel Halim, M.D.Internal Medicine Physician1649312828
  2. Evelyn Alumit, M.D.Specialist1225028970
  3. Brian Bhagat, M.D.Internal Medicine Physician1396746582
  4. Neeraj Bhole, PTPhysical Therapist1073850640
  5. Deana Booth, LPTAPhysical Therapy Assistant1801255419
  6. George McKellar, NP-CAdult Health Nurse Practitioner1609200278

Verify Manjit Grewal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301063741
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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2.6 times the Medicare Part D claims of the average nephrology physician in 2024

3,754 Medicare Part D claims for 739 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Manjit Grewal3,754
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium394 claims
  2. Calcitriol359 claims
  3. Lisinopril314 claims
  4. Amlodipine Besylate298 claims
  5. Allopurinol216 claims
  6. Spironolactone194 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $18.09

1 payment: food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Manjit Grewal$18.09
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Nephrology And Internal Medicine PCOwosso, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Manjit Grewal among 376 nephrology physician records in Michigan

Manjit Grewal, M.D. is one of 376 nephrology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1990 · median 2001 among the 279 with a school on file
  • Record last updated2018 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Michigan

There are 376 nephrology physician records in Michigan.

The 8 nephrology physician records with the nearest ZIP codes

  1. Yaseen Hashish, M.D.Flint, MI 485041821176785
  2. Ali Mohammed, M.D.Flint, MI 485041396735940
  3. Vaibhav Sahni, M.D.Flint, MI 485041326208455
  4. Genevieve Sierminski, M.D.Flint, MI 485041376742858
  5. Kunal Singh, M.D.Flint, MI 485071568800340
  6. Mohamed Abdalla, M.D.Flint, MI 485321760797344
  7. Jagdish Mirchandani, M.D.Flint, MI 485321710940853
  8. Imad Modawi, M.D.Flint, MI 485321124224415

Common questions

What is Manjit Grewal, M.D.'s NPI number?

Manjit Grewal, M.D.'s National Provider Identifier (NPI) is 1982694519, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Manjit Grewal, M.D. located?

The NPPES record lists a practice address at G1071 N Ballenger Hwy, Flint, MI, 48504. Phone: (810) 238-4172. Providers update this record themselves, so call before visiting.

How can I verify Manjit Grewal, M.D.'s license?

NPPES lists Michigan license number 4301063741, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Manjit Grewal, M.D. prescribe under Medicare Part D?

In 2024, Manjit Grewal, M.D. had 3,754 Medicare Part D claims for 739 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.