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Obstetrics & Gynecology Specialists in Decatur, IL

Browse 13 Obstetrics & Gynecology providers listed in NPPES with a practice address in Decatur, Illinois.

13 Healthcare Providers

How Decatur compares with the U.S.

Decatur has 19 clinicians in Obstetrics & Gynecology per 100,000 residents, about 1.4 times the U.S. rate of 14.

That is 13 active clinicians in Obstetrics & Gynecology with a practice address in Decatur, for a population of 69,815.

The Illinois rate is 16 per 100,000 residents.

What these numbers mean

Clinicians per 100,000 residents compares places of different sizes. We count active clinicians who list a practice address in the area in the federal NPI registry (NPPES) and divide by the number of people who live there, according to the U.S. Census Bureau. The U.S. rate is the same calculation for the whole country.

A higher number does not mean it is easier to get an appointment, that wait times are shorter, or that care is better. It also does not show how many clinicians are accepting new patients or which insurance plans they take. A lower number does not by itself mean there is a shortage.

City counts use the city name in each clinician's practice address. That postal city can cover a larger or smaller area than the city limits the Census Bureau uses for population, and many clinicians list only one address even if they work in several places. Cities with hospitals or large medical centers often list more specialists than the number of residents alone would suggest, because patients also come from nearby areas.

100% of clinicians in Obstetrics & Gynecology in Decatur listed in the CMS Medicare file (10 of 10) accept Medicare assignment. That is higher than the Illinois share of 93%.

What is Medicare assignment?

A clinician who accepts Medicare assignment agrees to take the Medicare-approved amount as full payment for services that Original Medicare covers. You usually still pay your deductible and coinsurance. This comes from the CMS Doctors and Clinicians file and applies to Original Medicare only. Medicare Advantage plans have their own provider networks. It does not show whether a clinician is taking new patients.

Some clinicians are listed as "may accept assignment," which means they can decide case by case. Clinicians without an assignment flag, or who are not in the CMS file, are not counted as accepting assignment. That does not mean they refuse Medicare. Ask the office before your visit.

10% of clinicians in Obstetrics & Gynecology in Decatur listed in the CMS Medicare file (1 of 10) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is similar to the Illinois share of 10%.

About the telehealth indicator

The telehealth indicator comes from CMS. It marks clinicians whose recent paid Medicare claims include services delivered by telehealth. It means a clinician has provided some services by telehealth, not that every visit can be done online. A clinician without the indicator may still offer telehealth, for example to patients who are not on Medicare. Ask the office which visits can be done by video or phone.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026. Medicare assignment and telehealth indicators: CMS Doctors and Clinicians National Downloadable File. Population: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates, Table B01003 (Total Population).

Obstetrics & Gynecology Medicare (PECOS) Enrollment & Ordering Eligibility

Medicare enrollment and order/referring eligibility listed by CMS for Obstetrics & Gynecology practitioners in Decatur, IL

Source: CMS PECOS
PECOS Enrolled Specialists 12 In Decatur, IL
Part B Lab & Imaging Eligible 11 Diagnostic Referrals
DME Ordering Eligible 12 Durable Medical Equipment
Home Health Agency Referrals Suppressed HHA Ordering Eligible
Showing 1โ€“13 of 13 providers
With recent CMS data first, then Aโ€“Z

Dr. Anthony Oria Amiewalan , MD FACOG

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment
1750 East Lake Shore Dr, Suite 320, Decatur, IL 62521
Phone: 2174220560
NPI Identifier 1669486668
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Dr. Gretchen L Byrkit , MD

Obstetrics & Gynecology

Active NPI Status
One Memorial Dr, Ste 216, Decatur, IL 625266322
Phone: 2178755574
NPI Identifier 1104800044
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Dr. Douglas Venice Combs , MD

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment
2 Memorial Dr Fl 1, Decatur, IL 625263950
Phone: 2175458000
NPI Identifier 1447218268
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Dr. Todd Diebold , DO

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment
2 Memorial Dr Fl 1, Decatur, IL 625263950
Phone: 2175458000
NPI Identifier 1689081861
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Dr. Chinelo C Echeazu , MD

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment
1750 E Lake Shore Dr, Suite 110, Decatur, IL 62521
Phone: 2178722400
NPI Identifier 1922319839
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Dr. John George Hudec , MD

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment
2300 N Edward St, Decatur, IL 625264163
Phone: 2178766400
NPI Identifier 1992791032
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Dr. Nada Lygrisse , DO

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment
741 W Pershing Rd, Decatur, IL 625261634
Phone: 2174294119
NPI Identifier 1871919134
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Dr. Vidya Sagar Rao Morisetty , MD

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment
675 E Snyder Dr Ste 1, Decatur, IL 625264766
Phone: 2178751886
NPI Identifier 1265549174
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Dr. Jeffrey Pfeiffer , MD

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
544 West Pershing Road, Suite A, Decatur, IL 62526
Phone: 2178722400
NPI Identifier 1134103070
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Dr. Derin S Rominger , MD

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment
One Memorial Dr, Suite 216, Decatur, IL 625266322
Phone: 2178755574
NPI Identifier 1821072760
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Dr. Maria Rizalin Galit Flickinger , MD

Obstetrics & Gynecology

Active NPI Status
1900 E Lake Shore Dr, Ste 350, Decatur, IL 625213824
Phone: 2174232800
NPI Identifier 1700888609
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Sara Lynn Johnson , APN

Obstetrics & Gynecology

Active NPI Status Accepts Medicare Assignment
544 W Pershing Rd, Decatur, IL 625263226
Phone: 2178722400
NPI Identifier 1831616770
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Dr. Roy Tsuda , MD

Obstetrics & Gynecology

Active NPI Status
One Memorial Drive, Suite 300, Decatur, IL 625266322
Phone: 2178755565
NPI Identifier 1285610519
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Frequently Asked Questions about Obstetrics & Gynecology in Decatur

How do I check a Obstetrics & Gynecology practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Illinois licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.