ZACHARY ANDREW COLVIN D.O.
NPI 1730506015
Obstetrics & Gynecology - Maternal & Fetal Medicine in Milwaukee, WI

Active since March 25, 2014PECOS EnrolledAccepts Medicare Assignment
9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 805-6624(414) 805-9000 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 11, 2023, Jun 28, 2018 (2 updates tracked since 2018).

About Zachary Andrew Colvin D.o. NPPES

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

ZACHARY ANDREW COLVIN D.O. (NPI 1730506015) is an individual maternal & fetal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (68810) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1730506015
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameZACHARY ANDREW COLVINCredential: D.O.
Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin AveMilwaukee, WI 53226-3522 · (414) 805-6624 · Fax (414) 805-9000
Fax(414) 805-9000
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 25, 2014
Last NPPES UpdateJuly 24, 20252 updates tracked since enumeration
NPPES CertifiedJuly 24, 2025
✔ NPI 1730506015 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 · 68810
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 68810 (WI)
9200 W WISCONSIN AVE, Milwaukee, WI 53226

Secondary Practice Locations 5

Location 1W180N8000 Town Hall RdMenomonee Falls, WI 53051-4002 · Phone (262) 255-2500 · Fax (262) 253-9501
Location 21905 N Calhoun RdBrookfield, WI 53005-5005 · Phone (262) 754-8000 · Fax (262) 780-3396
Location 33200 Pleasant Valley RdWest Bend, WI 53095-9274 · Phone (262) 836-7300 · Fax (262) 836-7301
Location 47901 S 6th StOak Creek, WI 53154-2010 · Phone (414) 346-8000 · Fax (414) 346-8010
Location 59000 W Wisconsin AveMilwaukee, WI 53226-4874 · Phone (414) 805-6624 · Fax (414) 805-9000

Other Identifiers 1

Medicaid1730506015WI

Accepted 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

Zachary Andrew Colvin D.o. 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 ID7113221912
PECOS Enrollment IDI20180626000855
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 Zachary Colvin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
9000 W WISCONSIN AVE
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Childrens Specialty Group Inc
  • 424 clinicians in this Medicare group
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
Family Medicine
13900 W NATIONAL AVE
New Berlin, WI 53151
  • Reassigned Medicare billing, Wisconsin enrollment
  • 528 clinicians in this Medicare group
Internal Medicine
W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,294 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520008
Location725 American AveWaukesha, WI 53188 · Waukesha County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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.

Advanced Practice Midwife
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Internal Medicine (Gastroenterology)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Emergency Medicine
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Pediatrics)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Anesthetist, Certified Registered
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Physician Assistant (Medical)
9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226

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 Zachary Colvin's NPI number?

The NPI number for Zachary Colvin is 1730506015. It was assigned to this individual provider in the NPPES registry on March 25, 2014.

Where is Zachary Colvin located?

Zachary Colvin practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-6624.

What is Zachary Colvin's specialty?

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

Is Zachary Colvin enrolled in Medicare?

Yes. Zachary Colvin 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 Zachary Colvin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Colvin reassigns Medicare benefits to 4 organizations: Children's Specialty Group, Inc. (Milwaukee, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Prohealth Medical Group Inc (New Berlin, 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 Zachary Colvin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Colvin accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Network Health and UnitedHealthcare list Zachary Colvin 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 Zachary Colvin affiliated with any hospitals?

According to CMS data, Zachary Colvin is affiliated with Waukesha Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Zachary Colvin was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.