DR. KEITH PATRICK WILLIAMS MD
NPI 1487684973
Obstetrics & Gynecology in Danville, PA
About Dr. Keith Patrick Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KEITH PATRICK WILLIAMS MD (NPI 1487684973) is an individual obstetrics & gynecology provider in Danville, Pennsylvania, licensed in Pennsylvania (MD460309) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Geisinger Medical Center, and is a graduate of Other (1979).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 6
Accepted 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. Keith Patrick Williams Md 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.
Medicare Billing Reassignments
3Medicare enrollment records show Keith Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Danville, PA 17822
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 clinicians in this Medicare group
Muncy, PA 17756
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,405 clinicians in this Medicare group
Glen Mills, PA 19342
- Reassigned Medicare billing, Pennsylvania enrollment
- 654 clinicians in this Medicare group
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Geisinger Medical Center
Acute Care Hospitals · Danville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17822 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
DANVILLE, PA 17822
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 Keith Williams's NPI number?
The NPI number for Keith Williams is 1487684973. It was assigned to this individual provider in the NPPES registry on July 3, 2006.
Where is Keith Williams located?
Keith Williams practices at 100 N Academy Ave, Danville, PA 17822. The listed phone number is (570) 271-6144.
What is Keith Williams's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Keith Williams enrolled in Medicare?
Yes. Keith 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 Keith Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Williams reassigns Medicare benefits to 3 organizations: Geisinger Clinic (Danville, PA), Geisinger-Hm Joint Venture LLC (Muncy, PA) and Prospect Health Access Network, Inc. (Glen Mills, PA). 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 Keith Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keith Williams accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Keith 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 Keith Williams affiliated with any hospitals?
According to CMS data, Keith Williams is affiliated with Geisinger Medical Center.
When was this NPI record last updated?
The NPPES record for Keith Williams was last updated on August 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Keith Patrick Williams, MD · NPI 1487684973
Obstetrics & Gynecology physician in Danville, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 3, 2006.
## Identity
- **NPI:** 1487684973 (Entity type: Individual)
- **Enumerated:** July 3, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD460309 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 N ACADEMY AVE, Danville, PA 17822-9340
- **Phone:** (570) 271-6144 · **Fax:** (570) 271-6578
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Geisinger Clinic (NPI 1043405897, Danville, PA); Geisinger-Hm Joint Venture LLC (NPI 1952076119, Muncy, PA); Prospect Health Access Network, Inc. (NPI 1083061006, Glen Mills, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1979
## Record status
- **NPPES last updated:** August 27, 2020
- **Other identifiers:** Other P00846749 (NJ); Other 6398760 (NJ); Other 3526821 (NJ); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1487684973) · Data from the CMS NPPES public registry.