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ALEXANDRA BELCHER-OBEJERO-PAZ M.D., M.P.H.
NPI 1952798704
Obstetrics & Gynecology in Boston, MA

Active since April 20, 2015PECOS Enrolled
850 HARRISON AVENUE, YACC 5, BOSTON, MA 02118(617) 414-2000(617) 414-5798 Get Directions Write a Review

NPPES record last updated: April 19, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 19, 2022, Dec 1, 2021, Nov 17, 2020 and 1 more (4 updates tracked since 2019).

About Alexandra Belcher-obejero-paz M.d., M.p.h. NPPES

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

ALEXANDRA BELCHER-OBEJERO-PAZ M.D., M.P.H. (NPI 1952798704) is an individual obstetrics & gynecology provider in Boston, Massachusetts, licensed in Massachusetts (285503) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1952798704
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameALEXANDRA BELCHER-OBEJERO-PAZCredential: M.D., M.P.H.
Location Address850 HARRISON AVENUE, YACC 5Boston, MA 02118-4001
Mailing Address801 Albany Street, Fl GBoston, MA 02119-3791
Phone(617) 414-2000
Fax(617) 414-5798
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 20, 2015
Last NPPES UpdateApril 19, 20224 updates tracked since enumeration
NPPES CertifiedApril 19, 2022
✔ NPI 1952798704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MA · 285503
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License 285503 (MA)
850 HARRISON AVENUE, Boston, MA 02118
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1269 Union StLynn, MA 01901-1314 · Phone (781) 581-3900
Location 285 E Concord St Fl 6, Department of OB/GYNBoston, MA 02118-2335 · Phone (617) 414-5193

Other Identifiers 1

Medicaid110107717AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexandra Belcher-obejero-paz M.d., M.p.h. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2062727290
PECOS Enrollment IDI20201208000554
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Alexandra Belcher-obejero-paz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Boston University Obstetrics And Gynecology Foundation, Inc.
0.1 mi
Obstetrics & Gynecology
1 BOSTON MEDICAL CTR PL
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 158 clinicians in this Medicare group
NPI 1063459568 (617) 414-2000
South Boston Community Health Center
1.5 mi
Community Health
409 W BROADWAY
South Boston, MA 02127
  • Reassigned Medicare billing, Massachusetts enrollment
  • 136 clinicians in this Medicare group
NPI 1669447413 (617) 269-7500
Mattapan Community Health Center Inc
4.6 mi
Clinic/Center
1575 BLUE HILL AVE
Boston, MA 02126
  • Reassigned Medicare billing, Massachusetts enrollment
  • 37 clinicians in this Medicare group
NPI 1942869342 (617) 296-0061
Lynn Community Health, Inc.
11 mi
Federally Qualified Health Center (FQHC)
269 UNION STREET
Lynn, MA 01901
  • Reassigned Medicare billing, Massachusetts enrollment
  • 178 clinicians in this Medicare group
NPI 1013997691 (781) 596-2502

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

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.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MARI J BENTLEY M.D.
Family Medicine
850 HARRISON AVENUE, YACC 5
BOSTON, MA 02118
Suffolk County (617) 414-2000
JESSICA C. BRICK MD
Pediatrics
850 HARRISON AVENUE, YACC 5
BOSTON, MA 02118
Suffolk County (617) 414-5946
MEGAN HAYES BAIR-MERRITT M.D.
Pediatrics
850 HARRISON AVENUE, YACC 5
BOSTON, MA 02118
Suffolk County (617) 414-5946
MARIE G. CANTAVE-AYER NP
Nurse Practitioner (Family)
850 HARRISON AVENUE, YACC, 3RD FLOOR
BOSTON, MA 02118
Suffolk County (617) 638-6100
MARSHA L TAHQUECHI CNM
Advanced Practice Midwife
850 HARRISON AVENUE, YACC 5
BOSTON, MA 02118
Suffolk County (617) 414-2000
SIGRIDE JEAN-SICARD NP
Nurse Practitioner (Pediatrics)
850 HARRISON AVENUE, YAWKEY 4
BOSTON, MA 02118
Suffolk County (617) 414-4363
MISS EMILY KATHRYN BURNS CNP
Nurse Practitioner (Women's Health)
850 HARRISON AVENUE, 5TH FLOOR YAWKEY
BOSTON, MA 02118
Suffolk County (617) 414-2000
DIANE M NEZAR CNM
Advanced Practice Midwife
850 HARRISON AVENUE, YACC 5
BOSTON, MA 02118
Suffolk County (617) 414-2000

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 Alexandra Belcher-obejero-paz's NPI number?

The NPI number for Alexandra Belcher-obejero-paz is 1952798704. It was assigned to this individual provider in the NPPES registry on April 20, 2015.

Where is Alexandra Belcher-obejero-paz located?

Alexandra Belcher-obejero-paz practices at 850 Harrison Avenue Yacc 5, Boston, MA 02118. The listed phone number is (617) 414-2000.

What is Alexandra Belcher-obejero-paz's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Alexandra Belcher-obejero-paz enrolled in Medicare?

Yes. Alexandra Belcher-obejero-paz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexandra Belcher-obejero-paz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Belcher-obejero-paz reassigns Medicare benefits to 4 organizations: Boston University Obstetrics And Gynecology Foundation, Inc. (Boston, MA), South Boston Community Health Center (South Boston, MA), Mattapan Community Health Center Inc (Boston, MA) and Lynn Community Health, Inc. (Lynn, 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 Alexandra Belcher-obejero-paz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Belcher-obejero-paz accept?

Health plans from Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Alexandra Belcher-obejero-paz 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 Alexandra Belcher-obejero-paz affiliated with any hospitals?

According to CMS data, Alexandra Belcher-obejero-paz is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Alexandra Belcher-obejero-paz was last updated on April 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.