Ronald Lauren Hirsch, M.D.
Internal Medicine Physician · Elgin, IL
Ronald Lauren Hirsch, M.D. is an internal medicine physician with a practice address in Elgin, Illinois, and NPI 1467450585, issued on Jul 12, 2005. Check the license (Illinois 036081390, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ronald Lauren Hirsch
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036081390 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1710 N Randall RD, Elgin, IL 60123
- Phone
- (847) 214-5780
- Enumerated
- Jul 12, 2005
- Record last updated
- Nov 6, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (847) 214-9606
- Medicaid ID
- 036081390 IL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1710 N Randall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald Lauren Hirsch 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 036081390Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $63.45
4 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US 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.
Ronald Lauren Hirsch among 7,238 internal medicine physician records in Illinois
Ronald Lauren Hirsch, M.D. 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 fileNo · 50% of these records are
- Record last updated2009 · 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).
62 internal medicine physician records list a practice address in Elgin
They are 62 of the 2,268 NPPES records with a practice address in Elgin, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Elgin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Baley, M.D.Elgin, IL 601231184693327
- Jawed Ehsan, MDElgin, IL 601231114901501
- John Fiedler, M.D.Elgin, IL 601231487623716
- Dennis Flynn, M.D.Elgin, IL 601231295704435
- Jeffrey Garb, M.D.Elgin, IL 601231023063237
- Anandita Gephart, M.D.Elgin, IL 601231790709343
- Michael Hernandez, M.D.Elgin, IL 601231972501096
- Divyang Joshi, MDElgin, IL 601231528053568
Common questions
What is Ronald Lauren Hirsch, M.D.'s NPI number?
Ronald Lauren Hirsch, M.D.'s National Provider Identifier (NPI) is 1467450585, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Lauren Hirsch, M.D. located?
The NPPES record lists a practice address at 1710 N Randall RD, Elgin, IL, 60123. Phone: (847) 214-5780. Providers update this record themselves, so call before visiting.
How can I verify Ronald Lauren Hirsch, M.D.'s license?
NPPES lists Illinois license number 036081390, 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.
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.