DR. NANCY DUNCAN STRANZ MD
NPI 1144542382
Obstetrics & Gynecology in Oak Lawn, IL

Q: What is Nancy Stranz's NPI number?

The NPI number for Nancy Stranz is 1144542382. It was assigned to this individual provider in the NPPES registry on February 15, 2010. The provider is also known as Dr. Nancy Lynn Duncan.

Q: What is Nancy Stranz's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Nancy Stranz was last updated on February 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 15, 2010PECOS EnrolledAccepts Medicare Assignment

4225 W 95TH ST, OAK LAWN, IL 60453(708) 423-2300(708) 423-2318 Get Directions Write a Review

NPPES record last updated: February 11, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Nancy Duncan Stranz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NANCY DUNCAN STRANZ MD (NPI 1144542382) is an individual obstetrics & gynecology provider in Oak Lawn, Illinois, licensed in Illinois (036.124853) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital Royal Oak, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2011).

NPPES Registry Identity

NPI1144542382

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. NANCY DUNCAN STRANZCredential: MD

Location Address4225 W 95TH STOak Lawn, IL 60453-2623

Mailing Address5777 W Maple Rd, Ste 200West Bloomfield, MI 48322-2271 · (734) 678-9801

Phone(708) 423-2300

Fax(708) 423-2318

Sole ProprietorNo

Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2011

Enumeration DateFebruary 15, 2010

Last NPPES UpdateFebruary 11, 2020

✔ NPI 1144542382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in IL · 036.124853

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

4225 W 95TH ST, Oak Lawn, IL 60453

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Other Names 1

Former Name (1)Dr. Nancy Lynn Duncan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nancy Duncan Stranz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7113183500

PECOS Enrollment IDI20201030002264

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nancy Stranz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Moca Group PC

231 mi

Obstetrics & Gynecology

5777 W MAPLE RD, SUITE 200
West Bloomfield, MI 48322

Reassigned Medicare billing, Michigan enrollment
11 clinicians in this Medicare group

NPI 1780695635 (248) 932-9223

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

43 services36 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

35 services35 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

33 services30 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

29 services29 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

29 services29 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

27 services25 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230130

Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County

Emergency services Birthing friendly

Henry Ford Health West Bloomfield Hospital

Acute Care Hospitals · West Bloomfield, MI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230302

Location6777 West Maple RoadWest Bloomfield, MI 48322 · Oakland County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SOUTHWEST OBSTETRICS AND GYNECOLOGY, LTD.

Obstetrics & Gynecology