ANN-MARIE WHITNEY C.R.N.A.
NPI 1164484549
Nurse Anesthetist, Certified Registered in Worcester, MA
About Ann-marie Whitney C.r.n.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN-MARIE WHITNEY C.R.N.A. (NPI 1164484549) is an individual nurse anesthetist, certified registered in Worcester, Massachusetts, licensed in Vermont (026.0156014) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Berkshire Medical Center, and maintains a secondary practice location in Beverly.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Ann-marie Whitney C.r.n.a. 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
9Medicare enrollment records show Ann-marie Whitney reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Milford, MA 01757
- Reassigned Medicare billing, Massachusetts enrollment
- 66 clinicians in this Medicare group
Framingham, MA 01702
- Reassigned Medicare billing, Massachusetts enrollment
- 42 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 477 clinicians in this Medicare group
North Adams, MA 01247
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1437839669 (Massachusetts)
- 153 clinicians in this Medicare group
Pittsfield, MA 01201
- Reassigned Medicare billing, Massachusetts enrollment
- 394 clinicians in this Medicare group
Great Barrington, MA 01230
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1942474176 (Massachusetts)
- 73 clinicians in this Medicare group
Geneva, IL 60134
- Reassigned Medicare billing, Vermont enrollment
- 13 clinicians in this Medicare group
Stevensville, MT 59870
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1659475846 (Montana)
- 154 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.
Areas of Expertise CMS Part B claims 4
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Berkshire Medical Center
Acute Care Hospitals · Pittsfield, MAUmass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAMetrowest Medical Center
Acute Care Hospitals · Framingham, MABitterroot Health - Daly Hospital
Critical Access Hospitals · Hamilton, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01605 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.
WORCESTER, MA 01605
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-marie Whitney's NPI number?
The NPI number for Ann-marie Whitney is 1164484549. It was assigned to this individual provider in the NPPES registry on April 3, 2006.
Where is Ann-marie Whitney located?
Ann-marie Whitney practices at 119 Belmont St, Worcester, MA 01605. The listed phone number is (508) 334-6491.
What is Ann-marie Whitney's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Ann-marie Whitney enrolled in Medicare?
Yes. Ann-marie Whitney 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 Ann-marie Whitney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann-marie Whitney reassigns Medicare benefits to 9 organizations: Umass Memorial Medical Group Inc (Worcester, MA), Milford Anesthesia Consultants PC (Milford, MA), Metrowest Anesthesia Associates LLC (Framingham, MA), Beth Israel Lahey Health Specialty Care, Inc. (Burlington, MA), North Adams Regional Hospital Corporation (North Adams, MA) and 4 more organizations, 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 Ann-marie Whitney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann-marie Whitney accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Montana list Ann-marie Whitney 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 Ann-marie Whitney affiliated with any hospitals?
According to CMS data, Ann-marie Whitney is affiliated with Berkshire Medical Center, Umass Memorial Medical Center/University Campus, Metrowest Medical Center and Bitterroot Health - Daly Hospital.
When was this NPI record last updated?
The NPPES record for Ann-marie Whitney was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ann-Marie Whitney, C.R.N.A. · NPI 1164484549
Nurse Anesthetist, Certified Registered physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since April 3, 2006.
## Identity
- **NPI:** 1164484549 (Entity type: Individual)
- **Enumerated:** April 3, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 026.0156014 (Vermont)
- **Sole proprietor:** No
## Practice location
- **Address:** 119 BELMONT ST, Worcester, MA 01605-2903
- **Phone:** (508) 334-6491
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA); Milford Anesthesia Consultants PC (NPI 1437784261, Milford, MA); Metrowest Anesthesia Associates LLC (NPI 1104339902, Framingham, MA); Beth Israel Lahey Health Specialty Care, Inc. (NPI 1427161660, Burlington, MA); North Adams Regional Hospital Corporation (NPI 1316727761, North Adams, MA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** March 9, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1164484549) · Data from the CMS NPPES public registry.