Robert A. Ryan, M.D.
Surgery Physician · Lake Forest, IL
Robert A. Ryan, M.D. is a surgery physician with a practice address in Lake Forest, Illinois, and NPI 1437491396, issued on Mar 19, 2013. Check the license (Illinois 036040532, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert A. Ryan
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 036040532 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1127 Forest Hill RD, Lake Forest, IL 60045
- Phone
- (847) 295-2541
- Enumerated
- Mar 19, 2013
- Record last updated
- Mar 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (847) 295-2546
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,520 in Illinois → Look up another NPI →
Verify Robert A. Ryan 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 036040532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average surgery physician in 2024
53 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of 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.
Robert A. Ryan among 1,520 surgery physician records in Illinois
Robert A. Ryan, M.D. is one of 1,520 surgery physician records with a practice address in Illinois. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 58% of them.
- NPI issued2013 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2013 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Illinois
There are 1,520 surgery physician records in Illinois.
All 1,520 in Illinois → Every provider in Lake Forest → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Daniel Davila, M.D.Lake Forest, IL 600451558637124
- James Frydman, MDLake Forest, IL 600451104881218
- Stephen Ganshirt, M.D.Lake Forest, IL 600451245200757
- Heidi Memmel Mitidiero, MDLake Forest, IL 600451184679193
- Kim Sobinsky, M.D.Lake Forest, IL 600451447220942
- You-Sah Kim, M.D.Lake Villa, IL 600461164548046
- Seema KumbhatLake Zurich, IL 600471013459742
- Gregory Skladzien, M.D.Kildeer, IL 600471578882932
Common questions
What is Robert A. Ryan, M.D.'s NPI number?
Robert A. Ryan, M.D.'s National Provider Identifier (NPI) is 1437491396, issued on Mar 19, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Ryan, M.D. located?
The NPPES record lists a practice address at 1127 Forest Hill RD, Lake Forest, IL, 60045. Phone: (847) 295-2541. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Ryan, M.D.'s license?
NPPES lists Illinois license number 036040532, 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 Robert A. Ryan, M.D. prescribe under Medicare Part D?
In 2024, Robert A. Ryan, M.D. had 53 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.