Mahmoud Alsayed, M.D.
Endocrinology, Diabetes & Metabolism Physician · Elmhurst, IL
Mahmoud Alsayed, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Elmhurst, Illinois, and NPI 1215288568, issued on Sep 26, 2012. Check the license (Illinois 036167567, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mahmoud Alsayed
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 036167567 IL
125.062138 IL
Self-reported in NPPES; status is on the state search - Practice location
- 133 E Brush Hill RD Ste 310, Elmhurst, IL 60126
- Phone
- (331) 221-9003
- Enumerated
- Sep 26, 2012
- Record last updated
- Nov 16, 2023
- Medicare enrollment
- Enrolled (PECOS I20231118000222); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 436 in Illinois → Look up another NPI →
Also registered at 133 E Brush Hill RD Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Priya Bedi, PA-CMedical Physician Assistant1689125700
- Navjyot Bhogal, MDNephrology Physician1396973103
- Christopher Boutin, MDGastroenterology Physician1760440259
- Phillip Cozzi, MDPulmonary Disease Physician1205887353
- Michael Greenspan, MDGastroenterology Physician1942520127
- Shabnum Haleem, M.D.Hospitalist Physician1831400696
Verify Mahmoud Alsayed 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 036167567Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,685 Medicare Part D claims for 282 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Mounjaro187 claims
- Levothyroxine Sodium176 claims
- Metformin Hcl Er133 claims
- Jardiance122 claims
- Ozempic97 claims
- Atorvastatin Calcium89 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): 91.4 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).
Bills Medicare through one group practice
- Endeavor Health Medical GroupElmhurst, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mahmoud Alsayed among 436 endocrinology, diabetes & metabolism physician records in Illinois
Mahmoud Alsayed, M.D. is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.
- NPI issued2012 · 64% of these records are older, 31% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2010 · median 2006 among the 295 with a school on file
- Record last updated2023 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Illinois
There are 436 endocrinology, diabetes & metabolism physician records in Illinois.
All 436 in Illinois → Every provider in Elmhurst → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Susan Hudec, MDElmhurst, IL 601261659539070
- Fatima Kazi, MDElmhurst, IL 601261932620697
- Aarti Manchanda, MDElmhurst, IL 601261669788709
- Sudha Yalamanchi, M.D.Elmhurst, IL 601261962722553
- Amer Rahman, M.D.Elgin, IL 601241114978087
- Steven Bielski, M.D.Geneva, IL 601341144227570
- Elisa Hofmann, M.D.Geneva, IL 601341043217490
- Tiffany Karas, MDGeneva, IL 601341013993336
Common questions
What is Mahmoud Alsayed, M.D.'s NPI number?
Mahmoud Alsayed, M.D.'s National Provider Identifier (NPI) is 1215288568, issued on Sep 26, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mahmoud Alsayed, M.D. located?
The NPPES record lists a practice address at 133 E Brush Hill RD Ste 310, Elmhurst, IL, 60126. Phone: (331) 221-9003. Providers update this record themselves, so call before visiting.
How can I verify Mahmoud Alsayed, M.D.'s license?
NPPES lists Illinois license number 036167567, 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 Mahmoud Alsayed, M.D. prescribe under Medicare Part D?
In 2024, Mahmoud Alsayed, M.D. had 1,685 Medicare Part D claims for 282 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Mahmoud Alsayed, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.4 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.