Sanjay Pethkar, M.D.
Internal Medicine Physician · Plainfield, IL
Sanjay Pethkar, M.D. is an internal medicine physician with a practice address in Plainfield, Illinois, and NPI 1134181829, issued on Apr 6, 2006. Check the license (Illinois 036091255, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sanjay Pethkar
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036091255 IL
Self-reported in NPPES; status is on the state search - Practice location
- 13415 S Route 59, Plainfield, IL 60585
- Phone
- (815) 609-3627
- Enumerated
- Apr 6, 2006
- Record last updated
- Nov 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (815) 609-1328
- Medicaid ID
- 036091255 IL
- Medicare enrollment
- Enrolled (PECOS I20070911000401); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 13415 S Route 59
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maureen Dela Cruz, M.D.Family Medicine Physician1467767566
- Mary Hensley, NPFamily Nurse Practitioner1184766735
- Anjali Kher, M.D. S.C.Pediatrics Physician1669434353
- Gabriel Lemus, NPAdult Health Nurse Practitioner1285821868
Verify Sanjay Pethkar 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 036091255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average internal medicine physician in 2024
3,512 Medicare Part D claims for 199 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. 25 claims were for opioids.
Most prescribed
- Levothyroxine Sodium199 claims
- Atorvastatin Calcium173 claims
- Metoprolol Succinate150 claims
- Metformin Hcl138 claims
- Glimepiride124 claims
- Amlodipine Besylate113 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.
Industry payments in 2024: $44.56
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
- Sanjay Pethkar, M.D., S. C.Plainfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sanjay Pethkar among 7,238 internal medicine physician records in Illinois
Sanjay Pethkar, 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
- Graduated1990 · median 2003 among the 3,580 with a school on file
- Record last updated2011 · 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 Plainfield
They are 15 of the 1,198 NPPES records with a practice address in Plainfield, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Plainfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kristen Donigan, D.O.Plainfield, IL 605851558517789
- Kalpesh Patel, M.D.Plainfield, IL 605851154386506
- Shalin Shah, M.D.Plainfield, IL 605851215324462
- Nancy Bryan, D.O.Plainfield, IL 605861316064272
- Ashraf Iskander, MDPlainfield, IL 605861437167541
- Dalius Kedainis, MD FACPPlainfield, IL 605861861596363
- Soraya Sharfaei, MDPlainfield, IL 605861770671646
- Christian Struven, M.D.Plainfield, IL 605861710118575
Common questions
What is Sanjay Pethkar, M.D.'s NPI number?
Sanjay Pethkar, M.D.'s National Provider Identifier (NPI) is 1134181829, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sanjay Pethkar, M.D. located?
The NPPES record lists a practice address at 13415 S Route 59, Plainfield, IL, 60585. Phone: (815) 609-3627. Providers update this record themselves, so call before visiting.
How can I verify Sanjay Pethkar, M.D.'s license?
NPPES lists Illinois license number 036091255, 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 Sanjay Pethkar, M.D. prescribe under Medicare Part D?
In 2024, Sanjay Pethkar, M.D. had 3,512 Medicare Part D claims for 199 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.