DIANE M NEZAR CNM
NPI 1366567158
Advanced Practice Midwife in Boston, MA
About Diane M Nezar Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE M NEZAR CNM (NPI 1366567158) is an individual advanced practice midwife in Boston, Massachusetts, licensed in Massachusetts (RN177805) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of University Of New Mexico School Of Medicine (1986).
NPPES Registry Identity
Specialties & Licenses
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
Diane M Nezar Cnm 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 Diane Nezar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 671 clinicians in this Medicare group
Norwell, MA 02061
- Reassigned Medicare billing, Massachusetts enrollment
- 346 clinicians in this Medicare group
Clovis, NM 88101
- Reassigned Medicare billing, New Mexico enrollment
- 2,331 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.
Physician 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.
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.
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
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 Diane Nezar's NPI number?
The NPI number for Diane Nezar is 1366567158. It was assigned to this individual provider in the NPPES registry on March 20, 2007.
Where is Diane Nezar located?
Diane Nezar practices at 850 Harrison Avenue Yacc 5, Boston, MA 02118. The listed phone number is (617) 414-2000.
What is Diane Nezar's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Diane Nezar enrolled in Medicare?
Yes. Diane Nezar 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 Diane Nezar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Nezar reassigns Medicare benefits to 3 organizations: Coastal Medical Associates (Weymouth, MA), South Shore Medical Center, Inc. (Norwell, MA) and Presbyterian Healthcare Services (Clovis, NM). 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 Diane Nezar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diane Nezar accept?
Health plans from Taro Health list Diane Nezar 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 Diane Nezar was last updated on August 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Diane M Nezar, CNM · NPI 1366567158
Advanced Practice Midwife physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 20, 2007.
## Identity
- **NPI:** 1366567158 (Entity type: Individual)
- **Enumerated:** March 20, 2007
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** RN177805 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 850 HARRISON AVENUE, YACC 5, Boston, MA 02118-4001
- **Phone:** (617) 414-2000 · **Fax:** (617) 414-5798
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Coastal Medical Associates (NPI 1932175684, Weymouth, MA); South Shore Medical Center, Inc. (NPI 1669411856, Norwell, MA); Presbyterian Healthcare Services (NPI 1629053509, Clovis, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New Mexico School Of Medicine, class of 1986
## Record status
- **NPPES last updated:** August 23, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1366567158) · Data from the CMS NPPES public registry.