Syed Saif Zahir, D.O.
Internal Medicine Physician · Olympia Fields, IL
Syed Saif Zahir, D.O. is an internal medicine physician with a practice address in Olympia Fields, Illinois, and NPI 1649666900, issued on Apr 13, 2015. Check the license (Illinois 036148353, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Syed Saif Zahir
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036148353 IL
04430 KY
Self-reported in NPPES; status is on the state search - Practice location
- 20201 Crawford Ave, Olympia Fields, IL 60461
- Phone
- (844) 740-4445
- Enumerated
- Apr 13, 2015
- Record last updated
- Jun 23, 2025
- Fax
- (708) 679-2161
- Medicaid ID
- 7100550130 KY
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 20201 Crawford Ave
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- Saria Adnan Sultan, DOInternal Medicine Physician1679216196
Verify Syed Saif Zahir 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 036148353Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Syed Saif Zahir among 7,238 internal medicine physician records in Illinois
Syed Saif Zahir, D.O. 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 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2025 · 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).
23 internal medicine physician records list a practice address in Olympia Fields
They are 23 of the 684 NPPES records with a practice address in Olympia Fields, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Olympia Fields → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Brandies, M.D.Olympia Fields, IL 604611467405472
- Muhammad Choudry, MDOlympia Fields, IL 604611720074701
- Brian Dyson, DOOlympia Fields, IL 604611346626041
- Mohammed Hussain, MDOlympia Fields, IL 604611942466545
- Rabia Jawed, DOOlympia Fields, IL 604611962907816
- Sanjeev Joshi, M.D.Olympia Fields, IL 604611962467563
- Jacob Kalliath, D.O.Olympia Fields, IL 604611134569395
- Savio Manatt, M.D.Olympia Fields, IL 604611063585032
Common questions
What is Syed Saif Zahir, D.O.'s NPI number?
Syed Saif Zahir, D.O.'s National Provider Identifier (NPI) is 1649666900, issued on Apr 13, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Syed Saif Zahir, D.O. located?
The NPPES record lists a practice address at 20201 Crawford Ave, Olympia Fields, IL, 60461. Phone: (844) 740-4445. Providers update this record themselves, so call before visiting.
How can I verify Syed Saif Zahir, D.O.'s license?
NPPES lists Illinois license number 036148353, 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.
What is Syed Saif Zahir, D.O.'s MIPS final score?
The 2023 MIPS final score is 79.5 of 100, reported for the practice group. 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.