MARJORIE C. TREADWELL MD
NPI 1205873361
Obstetrics & Gynecology - Maternal & Fetal Medicine in Ann Arbor, MI

Active since May 31, 2006PECOS Enrolled
1500 EAST MEDICAL CENTER DR, 9TH FLOOR VONVOIGTLANDER WOMENS HOSP RECP 'B', ANN ARBOR, MI 48109(734) 763-6295 Get Directions Write a Review

NPPES record last updated: September 5, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 5, 2024, Jan 14, 2019, Oct 5, 2018 (3 updates tracked since 2018).

About Marjorie C. Treadwell Md NPPES

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

MARJORIE C. TREADWELL MD (NPI 1205873361) is an individual maternal & fetal medicine provider in Ann Arbor, Michigan, licensed in Michigan (4301050119) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205873361
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameMARJORIE C. TREADWELLCredential: MD
Location Address1500 EAST MEDICAL CENTER DR, 9TH FLOOR VONVOIGTLANDER WOMENS HOSP RECP 'B'Ann Arbor, MI 48109-4276
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Sole ProprietorNo
Enumeration DateMay 31, 2006
Last NPPES UpdateSeptember 5, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2024
NPI 1205873361 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License Licensed in MI · 4301050119
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 4301050119 (MI)
1500 EAST MEDICAL CENTER DR, Ann Arbor, MI 48109

Other Names 1

Former Name (1)Marjorie Clark Treadwell Md

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Marjorie C. Treadwell Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
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 20

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

Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CTR RECP B
ANN ARBOR, MI 48109
Anesthesiology
1500 EAST MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITAL
ANN ARBOR, MI 48109
Physician Assistant
1500 EAST MEDICAL CENTER DR, 2ND FLOOR TAUBMAN CENTER RECP F
ANN ARBOR, MI 48109
Nurse Practitioner
1500 EAST MEDICAL CENTER DR, 3RD FLOOR C.S. MOTT CHILDREN'S HOSPITAL RECP C
ANN ARBOR, MI 48109
Nurse Practitioner (Critical Care Medicine)
1500 EAST MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDRENS HOSPITAL RM 525
ANN ARBOR, MI 48109
Nurse Anesthetist, Certified Registered
1500 EAST MEDICAL CENTER DR
ANN ARBOR, MI 48109
Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN RECP B
ANN ARBOR, MI 48109
Pediatrics (Pediatric Hematology-Oncology)
1500 EAST MEDICAL CENTER DR, 7TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL
ANN ARBOR, MI 48109

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marjorie Treadwell's NPI number?

The NPI number for Marjorie Treadwell is 1205873361. It was assigned to this individual provider in the NPPES registry on May 31, 2006. The provider is also known as Marjorie Clark Treadwell MD.

Where is Marjorie Treadwell located?

Marjorie Treadwell practices at 1500 East Medical Center Dr 9th Floor Vonvoigtlander Womens Hosp Recp 'b', Ann Arbor, MI 48109. The listed phone number is (734) 763-6295.

What is Marjorie Treadwell's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Marjorie Treadwell enrolled in Medicare?

Yes. Marjorie Treadwell is registered in the Medicare PECOS enrollment system.

What insurance does Marjorie Treadwell accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Marjorie Treadwell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marjorie Treadwell was last updated on September 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.