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GREGORY TYLER MD
NPI 1871695452
Obstetrics & Gynecology in Marshfield, WI

Active since September 02, 2006PECOS Enrolled
82.64/100
CMS Quality Rating
1000 N OAK AVE, MARSHFIELD, WI 54449(715) 387-5511 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 5, 2026, Jul 27, 2023 (2 updates tracked since 2023).

About Gregory Tyler Md NPPES

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

GREGORY TYLER MD (NPI 1871695452) is an individual obstetrics & gynecology provider in Marshfield, Wisconsin, licensed in Wisconsin (40271) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Weston.

NPPES Registry Identity

NPI1871695452
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameGREGORY TYLERCredential: MD
Location Address1000 N OAK AVEMarshfield, WI 54449-5703
Mailing Address1000 N Oak AveMarshfield, WI 54449-5703 · (715) 387-5511
Phone(715) 387-5511
Sole ProprietorNo
Enumeration DateSeptember 2, 2006
Last NPPES UpdateFebruary 5, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
✔ NPI 1871695452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WI · 40271
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.
1000 N OAK AVE, Marshfield, WI 54449
Open in Google Maps ↗

Secondary Practice Location 1

Location 13400 Ministry PkwyWeston, WI 54476-5220 · Phone (715) 393-1000

Other Identifiers 1

Medicaid32478100WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners 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 (PECOS)

Gregory Tyler 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.

Medicare Billing Reassignments

9

Medicare enrollment records show Gregory Tyler reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marshfield Clinic Inc
Same address
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
NPI 1952347981 (715) 387-5511
Mchs Hospitals Inc
Same address
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1952890873 (Wisconsin)
  • 2,476 clinicians in this Medicare group
NPI 1093221434 (715) 387-5511
Memorial Hospital, Inc
22 mi
Clinical Medical Laboratory
216 SUNSET PL, MEMORIAL HOSPITAL, INC
Neillsville, WI 54456
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1346239373 (Wisconsin)
  • 1,283 clinicians in this Medicare group
NPI 1679746747 (715) 743-3101
Aspirus Medford Hospital & Clinics, Inc.
26 mi
Rural Health
729 PINE ST
Athens, WI 54411
  • Reassigned Medicare billing, Wisconsin enrollment
  • 376 clinicians in this Medicare group
NPI 1760912919 (715) 748-8100
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.
32 mi
Clinic/Center
824 ILLINOIS AVE
Stevens Point, WI 54481
  • Reassigned Medicare billing, Wisconsin enrollment
  • 935 clinicians in this Medicare group
NPI 1144991340 (715) 342-7725
Divine Savior Healthcare, Inc.
84 mi
General Acute Care Hospital
2817 NEW PINERY RD
Portage, WI 53901
  • Reassigned Medicare billing, Wisconsin enrollment
  • 359 clinicians in this Medicare group
NPI 1124083894 (608) 742-4131
Lakeview Medical Center Inc Of Rice Lake
85 mi
Clinic/Center
806 2ND ST
Chetek, WI 54728
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,616 clinicians in this Medicare group
NPI 1659008605 (715) 924-2000
Flambeau Hospital Inc
89 mi
Clinic/Center
98 SHERRY AVE
Park Falls, WI 54552
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1700963048 (Wisconsin)
  • 1,351 clinicians in this Medicare group
NPI 1194317966 (715) 762-2484
Beaver Dam Community Hospitals Inc
102 mi
Family Medicine
180 GATEWAY DR
Waupun, WI 53963
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,447 clinicians in this Medicare group
NPI 1629374780 (920) 345-1306

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 54449 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.64/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.21
Promoting Interoperability99
Improvement Activities40
Cost51.14

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.

ALISON RAE SAMPSON D.O.
Obstetrics & Gynecology
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5161
TAMARA L. LEAHY NP
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (800) 782-8581
SAMANTHA ELAINE MOORE RD, CD, CDCES
Dietitian, Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 389-7464
ROBERT BUNDY
Student in an Organized Health Care Education/Training Program
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5511
EUGENE H. LARSON PA
Physician Assistant
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5245
JAMES SKIBBA CRNA
Nurse Anesthetist, Certified Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-7179
KENNETH E ENGELHART MD
Internal Medicine
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5704
KRISTIN M GERNDT MD
Radiology (Vascular & Interventional Radiology)
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 389-3474

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 Gregory Tyler's NPI number?

The NPI number for Gregory Tyler is 1871695452. It was assigned to this individual provider in the NPPES registry on September 2, 2006.

Where is Gregory Tyler located?

Gregory Tyler practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5511.

What is Gregory Tyler's specialty?

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

Is Gregory Tyler enrolled in Medicare?

Yes. Gregory Tyler is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gregory Tyler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Tyler reassigns Medicare benefits to 9 organizations: Marshfield Clinic Inc (Marshfield, WI), Mchs Hospitals Inc (Marshfield, WI), Memorial Hospital, Inc (Neillsville, WI), Aspirus Medford Hospital & Clinics, Inc. (Athens, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Stevens Point, WI) and 4 more organizations, listed in the Medicare section above. 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 Gregory Tyler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Tyler accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Sanford Health Plan list Gregory Tyler 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 Gregory Tyler was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.