Ralph Hermes, M.D.
Family Medicine Physician · Hinsdale, IL
Ralph Hermes, M.D. is a family medicine physician with a practice address in Hinsdale, Illinois, and NPI 1669032769, issued on Jun 19, 2019. Check the license (Illinois 036162218, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ralph Hermes
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036162218 IL
Self-reported in NPPES; status is on the state search - Practice location
- 8 Salt Creek LN Ste 301, Hinsdale, IL 60521
- Phone
- (331) 221-2550
- Enumerated
- Jun 19, 2019
- Record last updated
- Feb 1, 2023
- Fax
- (331) 221-2722
- Medicare enrollment
- Enrolled (PECOS I20221103002983); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 8 Salt Creek LN Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leslie Greskowiak, APN-CNPNurse Practitioner1164998332
Verify Ralph Hermes 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 036162218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average family medicine physician in 2024
1,435 Medicare Part D claims for 142 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amlodipine Besylate113 claims
- Losartan Potassium106 claims
- Levothyroxine Sodium73 claims
- Rosuvastatin Calcium69 claims
- Atorvastatin Calcium50 claims
- Trazodone Hcl42 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).
Bills Medicare through one group practice
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ralph Hermes among 6,215 family medicine physician records in Illinois
Ralph Hermes, 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 2019, is newer than 78% of them.
- NPI issued2019 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2006 among the 3,714 with a school on file
- Record last updated2023 · 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).
50 family medicine physician records list a practice address in Hinsdale
They are 50 of the 1,290 NPPES records with a practice address in Hinsdale, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Hinsdale → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joel Brown, MDHinsdale, IL 605211831157452
- Clara Carls, DOHinsdale, IL 605211649220336
- Lisa Fortman, MDHinsdale, IL 605211225095565
- Ashwani Garg, MDHinsdale, IL 605211013958388
- Kate Gunnell, MDHinsdale, IL 605211164470670
- Zewdu Haile, MDHinsdale, IL 605211639150121
- Lisa Holmes, MDHinsdale, IL 605211871550798
- Margaret Kirkegaard, MDHinsdale, IL 605211558312918
Common questions
What is Ralph Hermes, M.D.'s NPI number?
Ralph Hermes, M.D.'s National Provider Identifier (NPI) is 1669032769, issued on Jun 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Hermes, M.D. located?
The NPPES record lists a practice address at 8 Salt Creek LN Ste 301, Hinsdale, IL, 60521. Phone: (331) 221-2550. Providers update this record themselves, so call before visiting.
How can I verify Ralph Hermes, M.D.'s license?
NPPES lists Illinois license number 036162218, 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 Ralph Hermes, M.D. prescribe under Medicare Part D?
In 2024, Ralph Hermes, M.D. had 1,435 Medicare Part D claims for 142 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ralph Hermes, M.D.'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.