Hassan M. Nasir, D.O.
Allergy & Immunology Physician · Gladwin, MI
Hassan M. Nasir, D.O. is an allergy & immunology physician with a practice address in Gladwin, Michigan, and NPI 1376771626, issued on Jun 25, 2009. Check the license (Michigan 5101018446, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Hassan M. Nasir
- Credential
- D.O.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 5101018446 MI
OS11877 FL
36135769 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1277 E Cedar Ave, Gladwin, MI 48624
- Phone
- (989) 343-5037
- Enumerated
- Jun 25, 2009
- Record last updated
- Mar 16, 2026
- Medicare enrollment
- Enrolled (PECOS I20180618000298); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 137 in Michigan → Look up another NPI →
Also registered at 1277 E Cedar Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Bratton, D.O.General Practice Physician1528175262
Verify Hassan M. Nasir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101018446Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average allergy & immunology physician in 2024
851 Medicare Part D claims for 204 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Hydroxychloroquine Sulfate111 claims
- Prednisone100 claims
- Humira Pen86 claims
- Montelukast Sodium58 claims
- Methotrexate47 claims
- Levocetirizine Dihydrochloride46 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: $87,622.52
215 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 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 one group practice
- Jawad A Shah MD PCFlint, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hassan M. Nasir among 137 allergy & immunology physician records in Michigan
Hassan M. Nasir, D.O. is one of 137 allergy & immunology 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 2009, is newer than 69% of them.
- NPI issued2009 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · median 2001 among the 98 with a school on file
- Record last updated2026 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Michigan
There are 137 allergy & immunology physician records in Michigan.
All 137 in Michigan → Every provider in Gladwin → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Jonathan Horbal, D.O. PLCMidland, MI 486401538396239
- Alexander Horbal, D.O.Midland, MI 486401508166984
- Mohsen Nasir, MDSaginaw, MI 486031528287240
- Richard Horbal, M.D.Bay City, MI 487081548244619
- Suresh Anne, MDFlint, MI 485071336101443
- Joel Beene, M.D.Flint, MI 485071770538803
- Rao Botta, MDFlint, MI 485071275595381
- Cory Cookingham, MDFlint, MI 485071457306599
Common questions
What is Hassan M. Nasir, D.O.'s NPI number?
Hassan M. Nasir, D.O.'s National Provider Identifier (NPI) is 1376771626, issued on Jun 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Hassan M. Nasir, D.O. located?
The NPPES record lists a practice address at 1277 E Cedar Ave, Gladwin, MI, 48624. Phone: (989) 343-5037. Providers update this record themselves, so call before visiting.
How can I verify Hassan M. Nasir, D.O.'s license?
NPPES lists Michigan license number 5101018446, 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 Hassan M. Nasir, D.O. prescribe under Medicare Part D?
In 2024, Hassan M. Nasir, D.O. had 851 Medicare Part D claims for 204 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.