Raihan Aziz Sayeed, MD
Internal Medicine Physician · Ottawa, IL
Raihan Aziz Sayeed, MD is an internal medicine physician with a practice address in Ottawa, Illinois, and NPI 1053998526, issued on Mar 29, 2021. Check the license (Illinois 036.171375, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Raihan Aziz Sayeed
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036.171375 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1100 E Norris Dr, Ottawa, IL 61350
- Phone
- (815) 431-5454
- Enumerated
- Mar 29, 2021
- Record last updated
- Aug 13, 2024
- Medicare enrollment
- Enrolled (PECOS I20241112000226); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1100 E Norris Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Valerie Arwood, LCSWClinical Social Worker1659809580
- Hailey Backes, SLPSpeech-Language Pathologist1811629538
- Athar Baig, MDInternal Medicine Physician1649852492
Verify Raihan Aziz Sayeed 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 036.171375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
58 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass11 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.
Bills Medicare through one group practice
- 24 ON Physicians PCOttawa, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Raihan Aziz Sayeed among 7,238 internal medicine physician records in Illinois
Raihan Aziz Sayeed, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 74% of them.
- NPI issued2021 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2003 among the 3,580 with a school on file
- Record last updated2024 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Ottawa
They are 8 of the 334 NPPES records with a practice address in Ottawa, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Ottawa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Athar Baig, MDOttawa, IL 613501649852492
- Peter Borek, MDOttawa, IL 613501962176081
- Cynthia Cabalfin, M.D.Ottawa, IL 613501497708382
- Raul Guerrero, MDOttawa, IL 613501053307660
- Robert Maguire, MDOttawa, IL 613501174571673
- David Manigold, MDOttawa, IL 613501346299641
- Neil Pandya, M.D.Ottawa, IL 613501124403050
- Ramon Inciong, MDOglesby, IL 613481891707998
Common questions
What is Raihan Aziz Sayeed, MD's NPI number?
Raihan Aziz Sayeed, MD's National Provider Identifier (NPI) is 1053998526, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Raihan Aziz Sayeed, MD located?
The NPPES record lists a practice address at 1100 E Norris Dr, Ottawa, IL, 61350. Phone: (815) 431-5454. Providers update this record themselves, so call before visiting.
How can I verify Raihan Aziz Sayeed, MD's license?
NPPES lists Illinois license number 036.171375, 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 Raihan Aziz Sayeed, MD prescribe under Medicare Part D?
In 2024, Raihan Aziz Sayeed, MD had 58 Medicare Part D claims for 38 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.