Nancy Duncan Stranz, MD
Obstetrics & Gynecology Physician · Oak Lawn, IL
Nancy Duncan Stranz, MD is an obstetrics & gynecology physician with a practice address in Oak Lawn, Illinois, and NPI 1144542382, issued on Feb 15, 2010. Check the license (Illinois 036.124853, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nancy Duncan Stranz
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036.124853 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4225 W 95TH St, Oak Lawn, IL 60453
- Phone
- (708) 423-2300
- Enumerated
- Feb 15, 2010
- Record last updated
- Feb 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (708) 423-2318
- Medicare enrollment
- Enrolled (PECOS I20201030002264); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 4225 W 95TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Anderson, M.D.Obstetrics & Gynecology Physician1740362482
- Joseph Axelrod, M.D.Obstetrics & Gynecology Physician1548342199
- Helen Nikolas, M.D.Obstetrics & Gynecology Physician1356424477
- Joseph Pavese, M.D.Obstetrics & Gynecology Physician1588747620
Verify Nancy Duncan Stranz 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 036.124853Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
164 Medicare Part D claims for 84 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Estradiol27 claims
- Fluconazole16 claims
- Valacyclovir15 claims
- Alendronate Sodium13 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: $46.41
3 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. 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
- Moca Group PCWest Bloomfield, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Duncan Stranz among 2,062 obstetrics & gynecology physician records in Illinois
Nancy Duncan Stranz, MD 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 2010, is newer than 59% of them.
- NPI issued2010 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2011 · median 2006 among the 1,168 with a school on file
- Record last updated2020 · 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).
37 obstetrics & gynecology physician records list a practice address in Oak Lawn
They are 37 of the 2,993 NPPES records with a practice address in Oak Lawn, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Oak Lawn → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Christine Anderson, M.D.Oak Lawn, IL 604531740362482
- Anita Arora, M.D.Oak Lawn, IL 604531528097474
- Joseph Axelrod, M.D.Oak Lawn, IL 604531548342199
- Foti Chronopoulos, MDOak Lawn, IL 604531881750776
- Nancy Church, M.D.Oak Lawn, IL 604531710069026
- Yvonne Collins, MD, FACOGOak Lawn, IL 604531902919954
- Kieya Dugar, MDOak Lawn, IL 604531801810197
- Yesim Gulecyuz, M.D.Oak Lawn, IL 604531861575979
Common questions
What is Nancy Duncan Stranz, MD's NPI number?
Nancy Duncan Stranz, MD's National Provider Identifier (NPI) is 1144542382, issued on Feb 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Duncan Stranz, MD located?
The NPPES record lists a practice address at 4225 W 95TH St, Oak Lawn, IL, 60453. Phone: (708) 423-2300. Providers update this record themselves, so call before visiting.
How can I verify Nancy Duncan Stranz, MD's license?
NPPES lists Illinois license number 036.124853, 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 Nancy Duncan Stranz, MD prescribe under Medicare Part D?
In 2024, Nancy Duncan Stranz, MD had 164 Medicare Part D claims for 84 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.