John M. Saran, MD
Internal Medicine Physician · Naperville, IL
John M. Saran, MD is an internal medicine physician with a practice address in Naperville, Illinois, and NPI 1720075849, issued on Oct 4, 2005. Check the license (Illinois 036055155, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John M. Saran
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036055155 IL
Self-reported in NPPES; status is on the state search - Practice location
- 120 Spalding Dr, Naperville, IL 60540
- Phone
- (630) 527-5575
- Enumerated
- Oct 4, 2005
- Record last updated
- Mar 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (630) 527-5573
- Medicaid ID
- 036055155 2 IL
- Medicare enrollment
- Enrolled (PECOS I20040228000098); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1976
- 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 120 Spalding Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Batista, NPAdult Health Nurse Practitioner1770844060
- Rosemarie Batiste, APN-CNPNurse Practitioner1245434851
- Mansoina Baweja, MDHematology & Oncology Physician1629052089
- Michael Caron, MDNeurological Surgery Physician1275738023
- Cathleen Cregier, APNInternal Medicine Physician1245227271
- Neil Das Gupta, M.D.Radiation Oncology Physician1316974363
Verify John M. Saran 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 036055155Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average internal medicine physician in 2024
4,945 Medicare Part D claims for 261 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 143 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium327 claims
- Levothyroxine Sodium283 claims
- Atorvastatin Calcium156 claims
- Metoprolol Succinate149 claims
- Losartan Potassium125 claims
- Ezetimibe116 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).
Industry payments in 2024: $193.40
3 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
- Endeavor Health Medical GroupNaperville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Saran among 7,238 internal medicine physician records in Illinois
John M. Saran, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1976 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 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).
75 internal medicine physician records list a practice address in Naperville
They are 75 of the 4,634 NPPES records with a practice address in Naperville, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Naperville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tina Bhargava, M.D.Naperville, IL 605401699761783
- Loveena Bouri, MDNaperville, IL 605401700827656
- Cathleen Cregier, APNNaperville, IL 605401245227271
- Jason Dy, MDNaperville, IL 605401396710265
- Naira Hashmi, MDNaperville, IL 605401164418729
- Maleeha Hashmi-Basha, MDNaperville, IL 605401528054483
- Johara Hassan, MDNaperville, IL 605401568417301
- Jerome Hong, MDNaperville, IL 605401336115823
Common questions
What is John M. Saran, MD's NPI number?
John M. Saran, MD's National Provider Identifier (NPI) is 1720075849, issued on Oct 4, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John M. Saran, MD located?
The NPPES record lists a practice address at 120 Spalding Dr, Naperville, IL, 60540. Phone: (630) 527-5575. Providers update this record themselves, so call before visiting.
How can I verify John M. Saran, MD's license?
NPPES lists Illinois license number 036055155, 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 John M. Saran, MD prescribe under Medicare Part D?
In 2024, John M. Saran, MD had 4,945 Medicare Part D claims for 261 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John M. Saran, MD'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.