NELSON P CALLE CRNA
NPI 1134217581
Nurse Anesthetist, Certified Registered in Boston, MA
About Nelson P Calle Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NELSON P CALLE CRNA (NPI 1134217581) is an individual nurse anesthetist, certified registered in Boston, Massachusetts, licensed in Massachusetts (251157) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Nelson P Calle 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
3Medicare enrollment records show Nelson Calle reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 102 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 88 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 105 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Medical Center
Acute Care Hospitals · Boston, MAWinchester Hospital
Acute Care Hospitals · Winchester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 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.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Nelson Calle's NPI number?
The NPI number for Nelson Calle is 1134217581. It was assigned to this individual provider in the NPPES registry on October 11, 2006.
Where is Nelson Calle located?
Nelson Calle practices at 1 Boston Medical Ctr Pl, Boston, MA 02118. The listed phone number is (617) 638-6950.
What is Nelson Calle's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Nelson Calle enrolled in Medicare?
Yes. Nelson Calle 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 Nelson Calle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nelson Calle reassigns Medicare benefits to 3 organizations: Boston University Medical Center Anesthesiologists, Inc. (Boston, MA), Winchester Anesthesia Associates 2 Inc (Winchester, MA) and Winchester Anesthesia Associates, Inc (Winchester, MA). 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 Nelson Calle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nelson Calle accept?
Health plans from WellSense Health Plan list Nelson Calle 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 Nelson Calle affiliated with any hospitals?
According to CMS data, Nelson Calle is affiliated with Boston Medical Center and Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Nelson Calle was last updated on April 8, 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.
# Nelson P Calle, CRNA · NPI 1134217581
Nurse Anesthetist, Certified Registered physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 11, 2006.
## Identity
- **NPI:** 1134217581 (Entity type: Individual)
- **Enumerated:** October 11, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 251157 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BOSTON MEDICAL CTR PL, Boston, MA 02118-2908
- **Phone:** (617) 638-6950 · **Fax:** (617) 638-6966
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Boston University Medical Center Anesthesiologists, Inc. (NPI 1952874737, Boston, MA); Winchester Anesthesia Associates 2 Inc (NPI 1427599588, Winchester, MA); Winchester Anesthesia Associates, Inc (NPI 1972626117, Winchester, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** April 8, 2026
- **Other identifiers:** Medicaid 110123673A (MA); Medicaid 3120805 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1134217581) · Data from the CMS NPPES public registry.