Elizabeth E. Oh, M.D.
Obstetrics & Gynecology Physician · Lake Forest, IL
Elizabeth E. Oh, M.D. is an obstetrics & gynecology physician with a practice address in Lake Forest, Illinois, and NPI 1952322554, issued on Jul 21, 2006. Check the license (Illinois 036107889, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Elizabeth E. Oh
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036107889 IL
Self-reported in NPPES; status is on the state search - Practice location
- 959 S Waukegan RD, Lake Forest, IL 60045
- Phone
- (847) 234-3250
- Enumerated
- Jul 21, 2006
- Record last updated
- Feb 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (847) 234-8155
- Medicaid ID
- 036067565 IL
- Medicare enrollment
- Enrolled (PECOS I20040813000888); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2000
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 959 S Waukegan RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Heiberger, M.D.Obstetrics & Gynecology Physician1053330720
- Jill Holden, M.D.Obstetrics & Gynecology Physician1548289200
- Tanya Huang, M.D.Obstetrics & Gynecology Physician1134141989
- Michael Hubbell, M.D.Obstetrics & Gynecology Physician1538181268
- Maureen Tart, M.D.Obstetrics Physician1770691321
Verify Elizabeth E. Oh 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 036107889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
124 Medicare Part D claims for 52 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol27 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: $66.55
3 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- OB-Gyne Associates OF Lake Forest LtdLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth E. Oh among 2,062 obstetrics & gynecology physician records in Illinois
Elizabeth E. Oh, M.D. is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2000 · median 2006 among the 1,168 with a school on file
- Record last updated2015 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 obstetrics & gynecology physician records list a practice address in Lake Forest
They are 18 of the 821 NPPES records with a practice address in Lake Forest, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Lake Forest → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Tanner Colegrove, M.D.Lake Forest, IL 600451003941113
- Robert Hartman, M.D.Lake Forest, IL 600451346336310
- Heather Heiberger, M.D.Lake Forest, IL 600451053330720
- Jill Holden, M.D.Lake Forest, IL 600451548289200
- Tanya Huang, M.D.Lake Forest, IL 600451134141989
- Michael Hubbell, M.D.Lake Forest, IL 600451538181268
- Rebecca Jacobson, MDLake Forest, IL 600451114902483
- Shayna Mancuso, D.O.Lake Forest, IL 600451558394510
Common questions
What is Elizabeth E. Oh, M.D.'s NPI number?
Elizabeth E. Oh, M.D.'s National Provider Identifier (NPI) is 1952322554, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth E. Oh, M.D. located?
The NPPES record lists a practice address at 959 S Waukegan RD, Lake Forest, IL, 60045. Phone: (847) 234-3250. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth E. Oh, M.D.'s license?
NPPES lists Illinois license number 036107889, 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 Elizabeth E. Oh, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth E. Oh, M.D. had 124 Medicare Part D claims for 52 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.