Suman Narumanchi, M.D.
Internal Medicine Physician · Oak Brook, IL
Suman Narumanchi, M.D. is an internal medicine physician with a practice address in Oak Brook, Illinois, and NPI 1962449439, issued on Jun 1, 2006. Check the license (Illinois 036-107271, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Suman Narumanchi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-107271 IL
Self-reported in NPPES; status is on the state search - Practice location
- 900 Jorie Blvd, Oak Brook, IL 60523
- Phone
- (630) 954-6700
- Enumerated
- Jun 1, 2006
- Record last updated
- Jul 31, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (630) 954-1555
- Medicaid ID
- 036-107271 IL
- Medicare enrollment
- Enrolled (PECOS I20041118001094); 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 900 Jorie Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Suman Narumanchi 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 036-107271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
229 Medicare Part D claims for 136 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 19 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen16 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 practice group's MIPS final score for 2023 (Medicare payment program): 94.1 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).
Industry payments in 2024: $121.77
2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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
- Apollo Hospitalist Group LLCLake Zurich, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Suman Narumanchi among 7,238 internal medicine physician records in Illinois
Suman Narumanchi, M.D. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1997 · median 2003 among the 3,580 with a school on file
- Record last updated2008 · 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).
15 internal medicine physician records list a practice address in Oak Brook
They are 15 of the 950 NPPES records with a practice address in Oak Brook, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Oak Brook → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jennifer Candel, MDOak Brook, IL 605231164793949
- Richard Herbert, M.D.Oak Brook, IL 605231710045786
- Zaid Jabbar, M.D.Oak Brook, IL 605231730351115
- Mathai Karingada, M.D.Oak Brook, IL 605231831125988
- Meera Madappallil, M.D.Oak Brook, IL 605231699721142
- Ranjani Mohan, M.D.Oak Brook, IL 605231801017058
- Fauzia Rana, M.D.Oak Brook, IL 605231538371893
- Robin Rothbard, M.D.Oak Brook, IL 605231801854856
Common questions
What is Suman Narumanchi, M.D.'s NPI number?
Suman Narumanchi, M.D.'s National Provider Identifier (NPI) is 1962449439, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Suman Narumanchi, M.D. located?
The NPPES record lists a practice address at 900 Jorie Blvd, Oak Brook, IL, 60523. Phone: (630) 954-6700. Providers update this record themselves, so call before visiting.
How can I verify Suman Narumanchi, M.D.'s license?
NPPES lists Illinois license number 036-107271, 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 Suman Narumanchi, M.D. prescribe under Medicare Part D?
In 2024, Suman Narumanchi, M.D. had 229 Medicare Part D claims for 136 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Suman Narumanchi, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 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.