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OMAR F S GUIMARAES MD
NPI 1497867873
Obstetrics & Gynecology in Shelby, OH

Active since August 31, 2006PECOS Enrolled
78.75/100
CMS Quality Rating
24 MORRIS ROAD, SUITE 3, SHELBY, OH 44875(419) 342-2900(419) 342-2902 Get Directions Write a Review

NPPES record last updated: January 24, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Omar F S Guimaraes Md NPPES

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

OMAR F S GUIMARAES MD (NPI 1497867873) is an individual obstetrics & gynecology provider in Shelby, Ohio, licensed in Ohio (35-06-9007) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497867873
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameOMAR F S GUIMARAESCredential: MD
Location Address24 MORRIS ROAD, SUITE 3Shelby, OH 44875-1152
Mailing Address24 Morris Road, Suite 3Shelby, OH 44875-1152 · (419) 342-2900 · Fax (419) 342-2902
Phone(419) 342-2900
Fax(419) 342-2902
Sole ProprietorYes
Enumeration DateAugust 31, 2006
Last NPPES UpdateJanuary 24, 2008
✔ NPI 1497867873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in OH · 35-06-9007
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.
24 MORRIS ROAD, Shelby, OH 44875
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Other Identifiers 3

Medicaid0172629OH
Medicare PIN0874231OH
Medicare UPINF67795OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health 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)

Omar F S Guimaraes 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 Reassignment

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

Cherokee Nation
722 mi
Multi-Specialty
859 E. MELTON DRIVE
Jay, OK 74346
  • Reassigned Medicare billing, Texas enrollment
  • 1,047 clinicians in this Medicare group
NPI 1659388965 (918) 253-4271

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 44875 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.10 – $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.

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.

78.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality61.59
Promoting Interoperability98
Improvement Activities40
Cost65.11

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 Omar Guimaraes's NPI number?

The NPI number for Omar Guimaraes is 1497867873. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Omar Guimaraes located?

Omar Guimaraes practices at 24 Morris Road Suite 3, Shelby, OH 44875. The listed phone number is (419) 342-2900.

What is Omar Guimaraes's specialty?

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

Is Omar Guimaraes enrolled in Medicare?

Yes. Omar Guimaraes is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Omar Guimaraes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omar Guimaraes reassigns Medicare benefits to Cherokee Nation (Jay, OK). 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 Omar Guimaraes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Omar Guimaraes accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Blue Cross and Blue Shield of Oklahoma list Omar Guimaraes 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 Omar Guimaraes was last updated on January 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.