Saifullah Nasir, M.D.
Internal Medicine Physician · Schaumburg, IL
Saifullah Nasir, M.D. is an internal medicine physician with a practice address in Schaumburg, Illinois, and NPI 1427343938, issued on Jun 13, 2011. Check the license (Illinois 036135245, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Saifullah Nasir
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036135245 IL
BP10041524 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1345 Wiley RD Ste 111, Schaumburg, IL 60173
- Phone
- (847) 490-0060
- Enumerated
- Jun 13, 2011
- Record last updated
- Feb 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150306001299); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1345 Wiley RD Ste 111
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cristian SilvaMedical Physician Assistant1902426620
- Yuting Wang, APNAdult Health Nurse Practitioner1790265742
- Rongrong ZhangFamily Nurse Practitioner1710550355
Verify Saifullah Nasir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036135245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,169 Medicare Part D claims for 977 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 51 claims were for opioids.
Most prescribed
- Atorvastatin Calcium829 claims
- Metoprolol Succinate517 claims
- Amlodipine Besylate458 claims
- Lisinopril398 claims
- Furosemide369 claims
- Losartan Potassium349 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.
The MIPS final score for 2023 (Medicare payment program): 79.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,028.08
68 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Stat Cardiologist IncSchaumburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
26 internal medicine physician records list a practice address in Schaumburg
They are 26 of the 1,911 NPPES records with a practice address in Schaumburg, and 7,238 internal medicine physician records in Illinois.
All 26 in Schaumburg → All 7,238 in Illinois → Every provider in Schaumburg →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Elmer Abbo, MDBurr Ridge, IL1710048541
- Paul Abbo, M.D.River Forest, IL1083693378
Common questions
What is Saifullah Nasir, M.D.'s NPI number?
Saifullah Nasir, M.D.'s National Provider Identifier (NPI) is 1427343938, issued on Jun 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Saifullah Nasir, M.D. located?
The NPPES record lists a practice address at 1345 Wiley RD Ste 111, Schaumburg, IL, 60173. Phone: (847) 490-0060. Providers update this record themselves, so call before visiting.
How can I verify Saifullah Nasir, M.D.'s license?
NPPES lists Illinois license number 036135245, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Saifullah Nasir, M.D. prescribe under Medicare Part D?
In 2024, Saifullah Nasir, M.D. had 9,169 Medicare Part D claims for 977 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Saifullah Nasir, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.