DR. THOMAS WILLIAM ZASTROW D.C.
NPI 1285700773
Chiropractor in Greenfield, WI

Q: What is Thomas Zastrow's NPI number?

The NPI number for Thomas Zastrow is 1285700773. It was assigned to this individual provider in the NPPES registry on November 27, 2006.

Q: What is Thomas Zastrow's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Zastrow was last updated on March 20, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 November 27, 2006

4811 S 76TH ST, SUITE 204, GREENFIELD, WI 53220(414) 281-5266(414) 281-9772 Get Directions Write a Review

NPPES record last updated: March 20, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Thomas William Zastrow D.c. NPPES

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

DR. THOMAS WILLIAM ZASTROW D.C. (NPI 1285700773) is an individual chiropractor in Greenfield, Wisconsin, licensed in Wisconsin (1471) and active in the NPI registry since November 2006. He is a graduate of Other (1978).

NPPES Registry Identity

NPI1285700773

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. THOMAS WILLIAM ZASTROWCredential: D.C.

Location Address4811 S 76TH ST, SUITE 204Greenfield, WI 53220-4364

Mailing Address4811 S 76th St, Suite 204Greenfield, WI 53220-4364 · (414) 281-5266 · Fax (414) 281-9772

Phone(414) 281-5266

Fax(414) 281-9772

Sole ProprietorNo

Medical School CMSOtherGraduated 1978

Enumeration DateNovember 27, 2006

Last NPPES UpdateMarch 20, 2014

✔ NPI 1285700773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in WI · 1471

Definition

A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

4811 S 76TH ST, Greenfield, WI 53220

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Other Identifiers 2

Medicare UPINT63739WI

Medicare ID-Type Unspecified70545WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, HealthPartners.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas William Zastrow D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6204017239

PECOS Enrollment IDI20110224000423

Medicare Billing Reassignment

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

Zastrow Chiropractic Clinic S C

Same address

Chiropractor

4811 S 76TH ST, SUITE 204
Greenfield, WI 53220

Reassigned Medicare billing, Wisconsin enrollment
2 clinicians in this Medicare group

NPI 1184791394 (414) 281-5266

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

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.

Chiropractic manipulative treatment, 1-2 spinal regions 98940

Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.

219 services16 patients

Other Providers at the Same Location NPPES 18

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

ZASTROW CHIROPRACTIC CLINIC S C

Chiropractor

4811 S 76TH ST, SUITE 204
GREENFIELD, WI 53220

Milwaukee County (414) 281-5266

MRS. PAMELA JEAN JENKS C.A.D.C.III

Counselor (Addiction (Substance Use Disorder))

4811 S 76TH ST, SUITE208
GREENFIELD, WI 53220

Milwaukee County (141) 481-7044

ORAL & MAXILLOFACIAL SURGERY CONSULTANTS OF WISCONSIN, S.C.

Dentist (Oral and Maxillofacial Surgery)

4811 S 76TH ST, SUITE 304
GREENFIELD, WI 53220

Milwaukee County (414) 281-3344

SLEEPMED THERAPIES, INC

Durable Medical Equipment & Medical Supplies

4811 S 76TH ST, SUITE 16
GREENFIELD, WI 53220

Milwaukee County (414) 282-2683

MR. WILLIAM STEPHEN LPC

Counselor (Professional)

4811 S 76TH ST, SUITE 208
GREENFIELD, WI 53220

Milwaukee County (414) 817-9331

CORNERSTONE COUNSELING SERVICES

Counselor (Addiction (Substance Use Disorder))

4811 S 76TH ST
GREENFIELD, WI 53220

Milwaukee County (414) 817-0442

APRIL SMITH LMFT

Marriage & Family Therapist

4811 S 76TH ST
GREENFIELD, WI 53220

Milwaukee County (414) 325-7741

PAUL A SALERNO JR. LCSW

Social Worker (Clinical)

4811 S 76TH ST, SUITE 208
GREENFIELD, WI 53220

Milwaukee County (262) 542-3255

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 Thomas Zastrow's NPI number?

The NPI number for Thomas Zastrow is 1285700773. It was assigned to this individual provider in the NPPES registry on November 27, 2006.

Where is Thomas Zastrow located?

Thomas Zastrow practices at 4811 S 76th St Suite 204, Greenfield, WI 53220. The listed phone number is (414) 281-5266.

What is Thomas Zastrow's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Thomas Zastrow enrolled in Medicare?

Yes. Thomas Zastrow is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Thomas Zastrow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Zastrow reassigns Medicare benefits to Zastrow Chiropractic Clinic S C (Greenfield, WI). The 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 Thomas Zastrow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Zastrow accept?

Health plans from Anthem Blue Cross and Blue Shield and HealthPartners list Thomas Zastrow 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 Thomas Zastrow was last updated on March 20, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.