John C. Elser, M.D.
Family Medicine Physician · Evergreen Park, IL
John C. Elser, M.D. is a family medicine physician with a practice address in Evergreen Park, Illinois, and NPI 1154366839, issued on Jun 18, 2006. Check the license (Illinois 036080970, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John C. Elser
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036080970 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2850 W 95TH St, Evergreen Park, IL 60805
- Phone
- (708) 425-9550
- Enumerated
- Jun 18, 2006
- Record last updated
- Jun 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (708) 229-6084
- Medicaid ID
- 036080970 IL
- Medicare enrollment
- Enrolled (PECOS I20031201000513); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 2850 W 95TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Basel Al-Aswad, MDOrthopaedic Surgery Physician1033104641
- Hassan Alzein, M.D.Pediatrics Physician1922104025
- Calliope Andricacou, MDPediatrics Physician1245345545
- Jessica Bender, D.O.Obstetrics & Gynecology Physician1306156500
- Mary Burke, CNMAdvanced Practice Midwife1497065312
- Gina Chigaros, LCPCProfessional Counselor1558754291
Verify John C. Elser 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 036080970Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average family medicine physician in 2024
6,936 Medicare Part D claims for 516 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 126 claims were for opioids.
Most prescribed
- Atorvastatin Calcium556 claims
- Amlodipine Besylate374 claims
- Levothyroxine Sodium254 claims
- Metoprolol Succinate231 claims
- Pantoprazole Sodium200 claims
- Simvastatin193 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: $73.03
3 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Osf Multi-Specialty GroupEvergreen, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John C. Elser among 6,215 family medicine physician records in Illinois
John C. Elser, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2006 among the 3,714 with a school on file
- Record last updated2014 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 family medicine physician records list a practice address in Evergreen Park
They are 14 of the 603 NPPES records with a practice address in Evergreen Park, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Evergreen Park → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Hamish Arora, MDEvergreen Park, IL 608051366186835
- David Beckmann, MDEvergreen Park, IL 608051407015704
- John Elsen, M.D.Evergreen Park, IL 608051437260940
- Maya Green, MDEvergreen Park, IL 608051891952818
- Ginny Hendricks, M.D.Evergreen Park, IL 608051487883831
- Colleen Heniff, M.D.Evergreen Park, IL 608051972509594
- Ellen Hennecke, DOEvergreen Park, IL 608051699751156
- Pauline Hugh, M.D.Evergreen Park, IL 608051336187764
Common questions
What is John C. Elser, M.D.'s NPI number?
John C. Elser, M.D.'s National Provider Identifier (NPI) is 1154366839, issued on Jun 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Elser, M.D. located?
The NPPES record lists a practice address at 2850 W 95TH St, Evergreen Park, IL, 60805. Phone: (708) 425-9550. Providers update this record themselves, so call before visiting.
How can I verify John C. Elser, M.D.'s license?
NPPES lists Illinois license number 036080970, 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 C. Elser, M.D. prescribe under Medicare Part D?
In 2024, John C. Elser, M.D. had 6,936 Medicare Part D claims for 516 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.