WILLIAM J. WALDRON CRNA
NPI 1073500633
Nurse Anesthetist, Certified Registered in Calais, ME
About William J. Waldron Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM J. WALDRON CRNA (NPI 1073500633) is an individual nurse anesthetist, certified registered in Calais, Maine, licensed in New Jersey (26NJ00413200) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Myrtue Medical Center, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
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
William J. Waldron Crna 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
14Medicare enrollment records show William Waldron reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Calais, ME 04619
- Reassigned Medicare billing, Maine enrollment
- 94 clinicians in this Medicare group
Machias, ME 04654
- Reassigned Medicare billing, Maine enrollment
- 34 clinicians in this Medicare group
Franconia, NH 03580
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1144223702 (New Hampshire)
- 219 clinicians in this Medicare group
Morrisville, VT 05661
- Reassigned Medicare billing, Vermont enrollment
- Also billed through NPI 1568414365 (Vermont)
- 86 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 clinicians in this Medicare group
West Long Beach, NJ 07764
- Reassigned Medicare billing, New Jersey enrollment
- 406 clinicians in this Medicare group
Neptune, NJ 07753
- Reassigned Medicare billing, New Jersey enrollment
- 102 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
Easton, PA 18045
- Reassigned Medicare billing, Pennsylvania enrollment
- 38 clinicians in this Medicare group
Philadelphia, PA 19118
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Myrtue Medical Center
Critical Access Hospitals · Harlan, IALittleton Regional Healthcare
Critical Access Hospitals · Littleton, NHCopley Hospital
Critical Access Hospitals · Morrisville, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04619 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.
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 William Waldron's NPI number?
The NPI number for William Waldron is 1073500633. It was assigned to this individual provider in the NPPES registry on September 29, 2005.
Where is William Waldron located?
William Waldron practices at 24 Hospital Ln, Calais, ME 04619. The listed phone number is (207) 454-7521.
What is William Waldron's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is William Waldron enrolled in Medicare?
Yes. William Waldron 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 William Waldron's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Waldron reassigns Medicare benefits to 14 organizations: Calais Community Hospital (Calais, ME), Down East Community Hospital (Machias, ME), Littleton Hospital Association (Franconia, NH), Copley Hospital, Inc. (Morrisville, VT), Rwjbh Observation Associates LLC (Livingston, NJ) and 9 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 William Waldron's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Waldron accept?
Health plans from Ambetter from NH Healthy Families and Wellmark Health Plan of Iowa, Inc. list William Waldron 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 William Waldron affiliated with any hospitals?
According to CMS data, William Waldron is affiliated with Myrtue Medical Center, Littleton Regional Healthcare and Copley Hospital.
When was this NPI record last updated?
The NPPES record for William Waldron was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 days 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.
# William J. Waldron, CRNA · NPI 1073500633
Nurse Anesthetist, Certified Registered physician in Calais, Maine. Individual provider, active in the CMS NPPES registry since September 29, 2005.
## Identity
- **NPI:** 1073500633 (Entity type: Individual)
- **Enumerated:** September 29, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 26NJ00413200 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 24 HOSPITAL LN, Calais, ME 04619-1329
- **Phone:** (207) 454-7521 · **Fax:** (207) 454-9247
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 14 organizations under Medicare reassignment (form CMS-855R): Calais Community Hospital (NPI 1376546143, Calais, ME); Down East Community Hospital (NPI 1700883139, Machias, ME); Littleton Hospital Association (NPI 1134497688, Franconia, NH); Copley Hospital, Inc. (NPI 1376587634, Morrisville, VT); Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** September 2, 2026
- **Other identifiers:** Other 50003218 (PA); Other 211803000 (PA); Other 78003 (PA); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1073500633) · Data from the CMS NPPES public registry.