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RACHEL MARES DO
NPI 1033854609
Obstetrics & Gynecology in Wyoming, MI

Active since April 28, 2022PECOS Enrolled
5900 BYRON CENTER AVE SW, WYOMING, MI 49519(330) 858-1201 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Rachel Mares Do NPPES

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

RACHEL MARES DO (NPI 1033854609) is an individual obstetrics & gynecology provider in Wyoming, Michigan, licensed in Ohio (34.018785) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1033854609
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameRACHEL MARESCredential: DO
Location Address5900 BYRON CENTER AVE SWWyoming, MI 49519-9606
Mailing Address6847 N Chestnut StRavenna, OH 44266-3929
Phone(330) 858-1201
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 28, 2022
Last NPPES UpdateJune 25, 2026
NPPES CertifiedJune 25, 2026
✔ NPI 1033854609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in OH · 34.018785
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
5900 BYRON CENTER AVE SW, Wyoming, MI 49519
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rachel Mares Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2163802000
PECOS Enrollment IDI20260820001256
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

2

Medicare enrollment records show Rachel Mares reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Primary Care Practices Inc
204 mi
Pediatrics
3600 KOLBE RD STE 120
Lorain, OH 44053
  • Reassigned Medicare billing, Ohio enrollment
  • 1,437 clinicians in this Medicare group
NPI 1851422315 (440) 282-7408
University Hospitals Medical Group Inc
231 mi
Multi-Specialty
11100 EUCLID AVE
Cleveland, OH 44106
  • Reassigned Medicare billing, Ohio enrollment
  • 3,958 clinicians in this Medicare group
NPI 1669499414 (216) 844-1000

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 49519 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

MATTHEW AARON ERCK DO
Internal Medicine
5900 BYRON CENTER AVE SW
WYOMING, MI 49519
Kent County (616) 252-7200
AMANDA BRONSON DO
Student in an Organized Health Care Education/Training Program
5900 BYRON CENTER AVE SW
WYOMING, MI 49519
Kent County (616) 252-7078
GANESH KUMAR DO
Student in an Organized Health Care Education/Training Program
5900 BYRON CENTER AVE SW
WYOMING, MI 49519
Kent County (616) 252-7200
DR. SARAH PRATT DO
Student in an Organized Health Care Education/Training Program
5900 BYRON CENTER AVE SW
WYOMING, MI 49519
Kent County (616) 252-7200
CASSANDRA PAIGE FRITCH NP
Nurse Practitioner (Family)
5900 BYRON CENTER AVE SW
WYOMING, MI 49519
Kent County (616) 252-7200
DR. TRISTAN J WORTHINGTON DO
Family Medicine
5900 BYRON CENTER AVE SW
WYOMING, MI 49519
Kent County (616) 252-7200
MRS. KELLY ANN MURPHY DNP, FNP-C
Nurse Practitioner (Family)
5900 BYRON CENTER AVE SW
WYOMING, MI 49519
Kent County (616) 252-3900
REBECCA S ZERIAL PA-C
Physician Assistant
5900 BYRON CENTER AVE SW
WYOMING, MI 49519
Kent County (616) 252-7200

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 Rachel Mares's NPI number?

The NPI number for Rachel Mares is 1033854609. It was assigned to this individual provider in the NPPES registry on April 28, 2022.

Where is Rachel Mares located?

Rachel Mares practices at 5900 Byron Center Ave SW, Wyoming, MI 49519. The listed phone number is (330) 858-1201.

What is Rachel Mares's specialty?

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

Is Rachel Mares enrolled in Medicare?

Yes. Rachel Mares is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Rachel Mares's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Mares reassigns Medicare benefits to 2 organizations: University Primary Care Practices Inc (Lorain, OH) and University Hospitals Medical Group Inc (Cleveland, OH). 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 Rachel Mares's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rachel Mares accept?

Health plans from Anthem Blue Cross and Blue Shield list Rachel Mares 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 Rachel Mares was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.