Ali Ahmed Karrar, M.D.
Rheumatology Physician · Grand Blanc, MI
Ali Ahmed Karrar, M.D. is a rheumatology physician with a practice address in Grand Blanc, Michigan, and NPI 1871520239, issued on Jun 28, 2006. Check the license (Michigan AK067638, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ali Ahmed Karrar
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- AK067638 MI
4301067638 MI
Self-reported in NPPES; status is on the state search - Practice location
- 8200 S Saginaw St Ste 500, Grand Blanc, MI 48439
- Phone
- (810) 953-8700
- Enumerated
- Jun 28, 2006
- Record last updated
- Apr 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (810) 953-8704
- Medicaid ID
- 104648444 MI
- Medicare enrollment
- Enrolled (PECOS I20041109000935); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 226 in Michigan → Look up another NPI →
Also registered at 8200 S Saginaw St Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth BlanzyFamily Nurse Practitioner1306580261
- Theresa JensenGerontology Nurse Practitioner1639569916
- Barbara McIntosh-Moore, MDRheumatology Physician1982652103
Verify Ali Ahmed Karrar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license AK067638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average rheumatology physician in 2024
3,715 Medicare Part D claims for 742 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 37 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate847 claims
- Methotrexate719 claims
- Methylprednisolone423 claims
- Prednisone234 claims
- Humira(Cf) Pen154 claims
- Meloxicam152 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: $5,368.73
168 payments; by number, the most common kind was food and beverage; the largest payer was Biogen, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Great Lakes Bay Health CentersSaginaw, MI
- Michigan Rheumatology Group PCGrand Blanc, MI
- Rau Physical Therapy IncFrankenmuth, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ali Ahmed Karrar among 226 rheumatology physician records in Michigan
Ali Ahmed Karrar, M.D. is one of 226 rheumatology physician records with a practice address in Michigan. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1980 · median 2003 among the 156 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Michigan
There are 226 rheumatology physician records in Michigan.
All 226 in Michigan → Every provider in Grand Blanc → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Barbara McIntosh-Moore, MDGrand Blanc, MI 484391982652103
- Ayad Alkhatib, MDNovi, MI 483771700142262
- James Lesser, MDNovi, MI 483771023088929
- Mahesha Makandura, M.D.Novi, MI 483771235593682
- Alireza Meysami, M.D.Novi, MI 483771235375361
- Howard Duncan, MDFlint, MI 485071023220621
- Dianne Trudell, MDFlint, MI 485071538276084
- Jolanta Sobotka-Czarnecki, MDFlint, MI 485321952418410
Common questions
What is Ali Ahmed Karrar, M.D.'s NPI number?
Ali Ahmed Karrar, M.D.'s National Provider Identifier (NPI) is 1871520239, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ali Ahmed Karrar, M.D. located?
The NPPES record lists a practice address at 8200 S Saginaw St Ste 500, Grand Blanc, MI, 48439. Phone: (810) 953-8700. Providers update this record themselves, so call before visiting.
How can I verify Ali Ahmed Karrar, M.D.'s license?
NPPES lists Michigan license number AK067638, 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 Ali Ahmed Karrar, M.D. prescribe under Medicare Part D?
In 2024, Ali Ahmed Karrar, M.D. had 3,715 Medicare Part D claims for 742 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.