John A. Damergis, MD
Internal Medicine Physician · Elmhurst, IL
John A. Damergis, MD is an internal medicine physician with a practice address in Elmhurst, Illinois, and NPI 1750332896, issued on May 13, 2006. Check the license (Illinois 036054493, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John A. Damergis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036054493 IL
Self-reported in NPPES; status is on the state search - Practice location
- 172 Schiller St, Elmhurst, IL 60126
- Phone
- (630) 941-2600
- Enumerated
- May 13, 2006
- Record last updated
- Apr 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (630) 941-2632
- Entity
- Type 1 · individual
Also registered at 172 Schiller St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John A. Damergis 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 036054493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
38 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
50 internal medicine physician records list a practice address in Elmhurst
They are 50 of the 1,540 NPPES records with a practice address in Elmhurst, and 7,238 internal medicine physician records in Illinois.
All 50 in Elmhurst → All 7,238 in Illinois → Every provider in Elmhurst →
Other internal medicine physician records in Illinois
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- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Elmer Abbo, MDBurr Ridge, IL1710048541
- Paul Abbo, M.D.River Forest, IL1083693378
Common questions
What is John A. Damergis, MD's NPI number?
John A. Damergis, MD's National Provider Identifier (NPI) is 1750332896, issued on May 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John A. Damergis, MD located?
The NPPES record lists a practice address at 172 Schiller St, Elmhurst, IL, 60126. Phone: (630) 941-2600. Providers update this record themselves, so call before visiting.
How can I verify John A. Damergis, MD's license?
NPPES lists Illinois license number 036054493, 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 A. Damergis, MD prescribe under Medicare Part D?
In 2024, John A. Damergis, MD had 38 Medicare Part D claims; 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.