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DR. SONYA MARIE WILLIAMS M.D
NPI 1508186925
Obstetrics & Gynecology in Linton, IN

Active since June 08, 2010PECOS EnrolledAccepts Medicare Assignment
1210 N 1000 W, LINTON, IN 47441(812) 847-4481(844) 658-7526 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 13, 2021, Feb 13, 2019 (2 updates tracked since 2019).

About Dr. Sonya Marie Williams M.d NPPES

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

DR. SONYA MARIE WILLIAMS M.D (NPI 1508186925) is an individual obstetrics & gynecology provider in Linton, Indiana, licensed in Indiana (01077722A) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Daviess Community Hospital, and maintains a secondary practice location in Linton.

NPPES Registry Identity

NPI1508186925
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. SONYA MARIE WILLIAMSCredential: M.D
Location Address1210 N 1000 WLinton, IN 47441-5013
Mailing Address1185 N 1000 WLinton, IN 47441-5282 · (812) 847-2281
Phone(812) 847-4481
Fax(844) 658-7526
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJune 8, 2010
Last NPPES UpdateDecember 13, 20212 updates tracked since enumeration
NPPES CertifiedDecember 13, 2021
✔ NPI 1508186925 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in IN · 01077722A✔ Licensed in IL · 036135427
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.
1210 N 1000 W, Linton, IN 47441
Open in Google Maps ↗

Secondary Practice Location 1

Location 11185 N 1000 WLinton, IN 47441-5282 · Phone (812) 847-2281

Other Identifiers 1

Medicaid201405940IN

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 and accepts Medicare assignment

Dr. Sonya Marie Williams M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890933527
PECOS Enrollment IDI20161229000892
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

6

Medicare enrollment records show Sonya Williams reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Greene County General Hospital
Same address
Critical Access
1185 N 1000 W
Linton, IN 47441
  • Reassigned Medicare billing, Indiana enrollment
  • 106 clinicians in this Medicare group
NPI 1184695389 (812) 847-2281
Daviess County Hospital
27 mi
General Acute Care Hospital
1314 E WALNUT ST
Washington, IN 47501
  • Reassigned Medicare billing, Indiana enrollment
  • 106 clinicians in this Medicare group
NPI 1619154820 (812) 254-2760
Indiana University Health Paoli Inc
48 mi
Emergency Medical Services
642 W HOSPITAL RD
Paoli, IN 47454
  • Reassigned Medicare billing, Indiana enrollment
  • 52 clinicians in this Medicare group
NPI 1457519324 (812) 723-2811
Obhg Indiana, PC
78 mi
Obstetrics & Gynecology
3700 WASHINGTON AVE
Evansville, IN 47750
  • Reassigned Medicare billing, Indiana enrollment
  • 81 clinicians in this Medicare group
NPI 1811232218 (800) 967-2289
Healthlinc, Inc
132 mi
Federally Qualified Health Center (FQHC)
102 E STATE ST
Morocco, IN 47963
  • Reassigned Medicare billing, Indiana enrollment
  • 183 clinicians in this Medicare group
NPI 1568354116 (574) 772-7400
Obhg Illinois Sc
195 mi
Obstetrics & Gynecology
3249 OAK PARK AVE
Berwyn, IL 60402
  • Reassigned Medicare billing, Illinois enrollment
  • 219 clinicians in this Medicare group
NPI 1700107216 (800) 967-2289

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Daviess Community Hospital

Acute Care Hospitals · Washington, IN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150061
Location1314 E Walnut StWashington, IN 47501 · Daviess County
Emergency services Birthing friendly

Greene County General Hospital

Critical Access Hospitals · Linton, IN
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number151317
Location1185 N 1000 WLinton, IN 47441 · Greene County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 47441 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
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.

CALLY WILSON MD
Family Medicine
1210 N 1000 W
LINTON, IN 47441
Greene County (812) 847-4481
BOBBIE L HENDRICKS NP
Nurse Practitioner (Family)
1210 N 1000 W
LINTON, IN 47441
Greene County (812) 847-4481
PEYTON RENEE GOODWIN LCSW
Social Worker (Clinical)
1210 N 1000 W
LINTON, IN 47441
Greene County (812) 847-4481
AMANDA JO MARIE BRINSON
Nurse Practitioner (Family)
1210 N 1000 W
LINTON, IN 47441
Greene County (812) 847-4481
DENISE A WAGNER FNP
Nurse Practitioner (Family)
1210 N 1000 W
LINTON, IN 47441
Greene County (812) 699-4153
DR. THEODORE RICHARD HOPPE D.O,
Internal Medicine
1210 N 1000 W
LINTON, IN 47441
Greene County (812) 847-4481
TERRE HAUTE PULMONARY & PEDIATRIC CLINIC, LLC
Internal Medicine (Pulmonary Disease)
1210 N 1000 W
LINTON, IN 47441
Greene County (812) 234-6053
MS. RENEE M. ROTTET LCSW
Social Worker (Clinical)
1210 N 1000 W
LINTON, IN 47441
Greene County (812) 847-4481

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 Sonya Williams's NPI number?

The NPI number for Sonya Williams is 1508186925. It was assigned to this individual provider in the NPPES registry on June 8, 2010.

Where is Sonya Williams located?

Sonya Williams practices at 1210 N 1000 W, Linton, IN 47441. The listed phone number is (812) 847-4481.

What is Sonya Williams's specialty?

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

Is Sonya Williams enrolled in Medicare?

Yes. Sonya Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sonya Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonya Williams reassigns Medicare benefits to 6 organizations: Greene County General Hospital (Linton, IN), Daviess County Hospital (Washington, IN), Indiana University Health Paoli Inc (Paoli, IN), Obhg Indiana, PC (Evansville, IN), Healthlinc, Inc (Morocco, IN) and 1 more organization, 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 Sonya Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sonya Williams accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Sonya Williams 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.

Is Sonya Williams affiliated with any hospitals?

According to CMS data, Sonya Williams is affiliated with Daviess Community Hospital and Greene County General Hospital.

When was this NPI record last updated?

The NPPES record for Sonya Williams was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.