HANNAH MILLIMET MD
NPI 1699255778
Obstetrics & Gynecology in Ann Arbor, MI

Q: What is Hannah Millimet's NPI number?

The NPI number for Hannah Millimet is 1699255778. It was assigned to this individual provider in the NPPES registry on August 17, 2018.

Q: What is Hannah Millimet'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 Hannah Millimet was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since August 17, 2018PECOS Enrolled

1500 E MEDICAL CENTER DR, ANN ARBOR, MI 48109(734) 936-4000 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 15, 2021, Aug 17, 2018 (2 updates tracked since 2018).

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About Hannah Millimet Md NPPES

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

HANNAH MILLIMET MD (NPI 1699255778) is an individual obstetrics & gynecology provider in Ann Arbor, Michigan, licensed in Michigan (4301514102) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of Emory University School Of Medicine (2021).

NPPES Registry Identity

NPI1699255778

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameHANNAH MILLIMETCredential: MD

Location Address1500 E MEDICAL CENTER DRAnn Arbor, MI 48109-5000

Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299

Phone(734) 936-4000

Sole ProprietorNo

Medical School CMSEmory University School Of MedicineGraduated 2021

Enumeration DateAugust 17, 2018

Last NPPES UpdateOctober 13, 20252 updates tracked since enumeration

NPPES CertifiedOctober 13, 2025

✔ NPI 1699255778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in MI · 4301514102✔ Licensed in MO · 2021020577

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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)

Hannah Millimet Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133620776

PECOS Enrollment IDI20250827001438

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.

Hospital Affiliations CMS Care Compare

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

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230046

Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County

Emergency services Birthing friendly

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.

LOKMAN SUNG MD

Pathology (Forensic Pathology)

1500 E MEDICAL CENTER DR, 2ND FLOOR UNIVERSITY HOSPITAL RECP PATHOLOGY
ANN ARBOR, MI 48109

Washtenaw County (800) 862-7284

SAMEER DEV SAINI M.D.

Internal Medicine (Gastroenterology)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

KYLE DAVID PERRY MD

Pathology (Cytopathology)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

DR. DAVID ALEXANDER STEWART M.D.

Pediatrics

1500 E MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL ROOM 525
ANN ARBOR, MI 48109

Washtenaw County (734) 763-5302

DR. MICHAEL EDMUND WATSON MD

Pediatrics (Pediatric Infectious Diseases)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

CARRIE KRAEGER PORTER PA-C

Physician Assistant

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-6666

DENISE LYNN BERRY CRNA

Nurse Anesthetist, Certified Registered

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

KETTI SOPHIA PETERSEN MD

Family Medicine (Hospice and Palliative Medicine)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

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 Hannah Millimet's NPI number?

The NPI number for Hannah Millimet is 1699255778. It was assigned to this individual provider in the NPPES registry on August 17, 2018.

Where is Hannah Millimet located?

Hannah Millimet practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.

What is Hannah Millimet's specialty?

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

Is Hannah Millimet enrolled in Medicare?

Yes. Hannah Millimet is registered in the Medicare PECOS enrollment system.

What insurance does Hannah Millimet 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 1 other insurer list Hannah Millimet 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.

Is Hannah Millimet affiliated with any hospitals?

According to CMS data, Hannah Millimet is affiliated with University Of Michigan Health System.

When was this NPI record last updated?

The NPPES record for Hannah Millimet was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.