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ANN M WILLIAMS CRNA
NPI 1639286628
Nurse Anesthetist, Certified Registered in West Readomg, PA

Active since August 24, 2006
81.19/100
CMS Quality Rating
6TH AVENUE AND SPRUCE, WEST READOMG, PA 19611(484) 628-8269 Get Directions Write a Review

NPPES record last updated: April 8, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ann M Williams Crna NPPES

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

ANN M WILLIAMS CRNA (NPI 1639286628) is an individual nurse anesthetist, certified registered in West Readomg, Pennsylvania, licensed in Pennsylvania (RN219072L) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1639286628
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameANN M WILLIAMSCredential: CRNA
Location Address6TH AVENUE AND SPRUCEWest Readomg, PA 19611-1428
Mailing AddressPo Box 13579Reading, PA 19612 · (484) 628-0799
Phone(484) 628-8269
Sole ProprietorNo
Enumeration DateAugust 24, 2006
Last NPPES UpdateApril 8, 2015
✔ NPI 1639286628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in PA · RN219072L
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License RN219072-L (PA)
6TH AVENUE AND SPRUCE, West Readomg, PA 19611
Open in Google Maps ↗

Other Identifiers 8

Other3502776000PA · Ibc
Other1551298PA · Gateway
Other50076657PA · Capital Advantage
Other2023545PA · Highmark
Medicare PIN187954QCYPA
Other2023545PA · First Priority
Other117255PA · Geisinger
Other9530442PA · Aetna

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ann M Williams Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Tower Health Medical Group
Same address
Neurological Surgery
601 SPRUCE ST
West Reading, PA 19611
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,473 clinicians in this Medicare group
NPI 1619272663 (610) 375-4567

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

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.

81.19/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.56
Promoting Interoperability97
Improvement Activities40
Cost65.23

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 Ann Williams's NPI number?

The NPI number for Ann Williams is 1639286628. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is Ann Williams located?

Ann Williams practices at 6th Avenue And Spruce, West Readomg, PA 19611. The listed phone number is (484) 628-8269.

What is Ann Williams's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Ann Williams enrolled in Medicare?

Yes. Ann Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ann Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Williams reassigns Medicare benefits to Tower Health Medical Group (West Reading, PA). 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 Ann Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ann Williams was last updated on April 8, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.