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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GARRETT DONALD FITZGERALD M.D.
NPI 1447575386
Obstetrics & Gynecology - Maternal & Fetal Medicine in Milwaukee, WI

Active since April 04, 2010PECOS EnrolledAccepts Medicare Assignment
1020 N 12TH ST, MILWAUKEE, WI 53233(414) 219-2000 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 16, 2026, Jul 21, 2022, Jul 26, 2017 (3 updates tracked since 2017).

About Dr. Garrett Donald Fitzgerald M.d. NPPES

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

DR. GARRETT DONALD FITZGERALD M.D. (NPI 1447575386) is an individual maternal & fetal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (67447) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in Milwaukee, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2010).

NPPES Registry Identity

NPI1447575386
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameDR. GARRETT DONALD FITZGERALDCredential: M.D.
Location Address1020 N 12TH STMilwaukee, WI 53233-1308
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250 · Fax (414) 805-6622
Phone(414) 219-2000
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2010
Enumeration DateApril 4, 2010
Last NPPES UpdateOctober 16, 20263 updates tracked since enumeration
NPPES CertifiedOctober 16, 2026
✔ NPI 1447575386 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 WI · 67447
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 67447 (WI)
1020 N 12TH ST, Milwaukee, WI 53233
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Secondary Practice Location 1

Location 19200 W Wisconsin AveMilwaukee, WI 53226-3522 · Phone (414) 805-6600 · Fax (414) 805-6622

Other Identifiers 2

Medicaid100067659WI
Medicaid1447575386WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) 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. Garrett Donald Fitzgerald M.d. 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 ID7012216955
PECOS Enrollment IDI20171006000805
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 Reassignments

4

Medicare enrollment records show Garrett Fitzgerald reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aurora Medical Group, Inc.
3.7 mi
Nurse Anesthetist, Certified Registered
3301 W FOREST HOME AVE
Milwaukee, WI 53215
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1427271378 (877) 576-3544
The Medical College Of Wisconsin, Inc.
4.8 mi
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
NPI 1699720086 (414) 955-7101
Aurora Advanced Healthcare, Inc.
7.3 mi
Family Medicine
3003 W GOOD HOPE RD
Milwaukee, WI 53209
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,615 clinicians in this Medicare group
NPI 1265629133 (414) 352-3100
Froedtert & the Medical College Of Wisconsin Community Physicians, Inc.
13 mi
Internal Medicine
W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,294 clinicians in this Medicare group
NPI 1568787448 (262) 255-2500

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53233 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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.

SORYAL A SORYAL M.D
Internal Medicine (Geriatric Medicine)
1020 N 12TH ST, 3RD FLOOR
MILWAUKEE, WI 53233
Milwaukee County (414) 219-7300
LAUREL R MAREK APNP
Nurse Practitioner
1020 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 219-7300
MICHAEL GUARD SCAHILL PNCB
Nurse Practitioner (Pediatrics)
1020 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 266-6229
DR. ANDREW MARK BRYANT PHD
Clinical Neuropsychologist
1020 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 773-4312
MELISSA J LYDECKER PT
Physical Therapist
1020 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 219-7300
MRS. LILLIE R BOBO RPH
Pharmacist
1020 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 219-7963
AMANDA L GRAGG LPC
Counselor (Mental Health)
1020 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 773-4312
MS. REBECCA A SCHULTZ NP
Nurse Practitioner
1020 N 12TH ST
MILWAUKEE, WI 53233
Milwaukee County (414) 647-6936

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 Garrett Fitzgerald's NPI number?

The NPI number for Garrett Fitzgerald is 1447575386. It was assigned to this individual provider in the NPPES registry on April 4, 2010.

Where is Garrett Fitzgerald located?

Garrett Fitzgerald practices at 1020 N 12th St, Milwaukee, WI 53233. The listed phone number is (414) 219-2000.

What is Garrett Fitzgerald's specialty?

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

Is Garrett Fitzgerald enrolled in Medicare?

Yes. Garrett Fitzgerald is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Garrett Fitzgerald's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Garrett Fitzgerald reassigns Medicare benefits to 4 organizations: Aurora Medical Group, Inc. (Milwaukee, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Aurora Advanced Healthcare, Inc. (Milwaukee, WI) and Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Garrett Fitzgerald's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Garrett Fitzgerald accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 1 other insurer list Garrett Fitzgerald 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 Garrett Fitzgerald was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days 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.