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WINIFRED MARSH CRNA
NPI 1649363458
Nurse Anesthetist, Certified Registered in Winchester, VA

Active since October 02, 2006
1840 AMHERST ST, WINCHESTER, VA 22601(540) 536-8000(540) 536-7780 Get Directions Write a Review

NPPES record last updated: August 21, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 31, 2021, Aug 23, 2020 (2 updates tracked since 2020).

About Winifred Marsh Crna NPPES

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

WINIFRED MARSH CRNA (NPI 1649363458) is an individual nurse anesthetist, certified registered in Winchester, Virginia, licensed in Virginia (0024179575) and active in the NPI registry since October 2006. She maintains 5 additional practice locations.

NPPES Registry Identity

NPI1649363458
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameWINIFRED MARSHCredential: CRNA
Location Address1840 AMHERST STWinchester, VA 22601-2808
Mailing Address220 Campus Blvd Ste 100Winchester, VA 22601-2888 · (540) 536-5100 · Fax (540) 536-0235
Phone(540) 536-8000
Fax(540) 536-7780
Sole ProprietorNo
Enumeration DateOctober 2, 2006
Last NPPES UpdateAugust 21, 20252 updates tracked since enumeration
NPPES CertifiedAugust 21, 2025
✔ NPI 1649363458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in VA · 0024179575✔ Licensed in TX · AP112303
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.
1840 AMHERST ST, Winchester, VA 22601
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Secondary Practice Locations 5

Location 1878 Fox DrWinchester, VA 22603-8613 · Phone (540) 662-8336 ext. 14
Location 21860 Amherst StWinchester, VA 22601-2808 · Phone (540) 536-8000 · Fax (540) 536-7780
Location 31250 E Marshall StRichmond, VA 23298-5023 · Phone (804) 828-2207 · Fax (804) 828-8300
Location 411958 W Broad StHenrico, VA 23233-1007 · Phone (804) 364-6640 · Fax (804) 364-6642
Location 5618 Hospital RdTappahannock, VA 22560-5000 · Phone (804) 443-6282 · Fax (804) 443-6150

Other Identifiers 5

Other8941UBTX · Bcbstx Group 00c82u
Medicaid1566366-06TX
Other83785UTX · Blue Cross Blue Shield
Other89799UTX · Bcbs
OtherTXB136615TX · Medicare Pin Group # Oa0369

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar 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)

Winifred Marsh Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

3

Medicare enrollment records show Winifred Marsh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Winchester Medical Center
Same address
Critical Care Medicine
1840 AMHERST ST
Winchester, VA 22601
  • Reassigned Medicare billing, Virginia enrollment
  • 756 clinicians in this Medicare group
NPI 1679711261 (540) 536-8000
Rector & Visitors Of The University Of Virginia
82 mi
Clinical
417 EMMET STREET, SOUTH
Charlottesville, VA 22904
  • Reassigned Medicare billing, Virginia enrollment
  • 130 clinicians in this Medicare group
NPI 1710193552 (434) 924-7034
Mcv Associated Physicians
121 mi
Anesthesiology
1250 E MARSHALL ST, MAIN 1-214, BOX 980510
Richmond, VA 23298
  • Reassigned Medicare billing, Virginia enrollment
  • 2,481 clinicians in this Medicare group
NPI 1710959457 (804) 828-8707

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
16 services16 patients

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.

AKHILA SURE M.D.
Surgery (Surgical Critical Care)
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
JILLIAN H CALL MD
Emergency Medicine
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
MICHAEL MAYER ROMAIN KHAFI DO
Emergency Medicine
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
RAMZIDDIN KHALMURATOV PA-C
Physician Assistant
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-4555
MEAGHAN PETERS CSFA
Specialist/Technologist, Other (Surgical Assistant)
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
JOEL A RHODES CRNA
Nurse Anesthetist, Certified Registered
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
BEVIN MARIE SANBORN LCSW
Social Worker (Clinical)
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-5191
T. GLEN BOUDER MD
Internal Medicine (Critical Care Medicine)
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8874

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 Winifred Marsh's NPI number?

The NPI number for Winifred Marsh is 1649363458. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Winifred Marsh located?

Winifred Marsh practices at 1840 Amherst St, Winchester, VA 22601. The listed phone number is (540) 536-8000.

What is Winifred Marsh's specialty?

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

Is Winifred Marsh enrolled in Medicare?

Yes. Winifred Marsh is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Winifred Marsh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Winifred Marsh reassigns Medicare benefits to 3 organizations: Winchester Medical Center (Winchester, VA), Rector & Visitors Of The University Of Virginia (Charlottesville, VA) and Mcv Associated Physicians (Richmond, VA). 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 Winifred Marsh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Winifred Marsh accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Health and UnitedHealthcare list Winifred Marsh 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 Winifred Marsh was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.