Alexandra Belcher-Obejero-Paz, M.D., M.P.H.
Obstetrics & Gynecology Physician · Boston, MA
Alexandra Belcher-Obejero-Paz, M.D., M.P.H. is an obstetrics & gynecology physician with a practice address in Boston, Massachusetts, and NPI 1952798704, issued on Apr 20, 2015. Check the license (Massachusetts 285503, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Alexandra Belcher-Obejero-Paz
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 285503 MA
Self-reported in NPPES; status is on the state search - Practice location
- 850 Harrison Avenue, Boston, MA 02118
- Phone
- (617) 414-2000
- Enumerated
- Apr 20, 2015
- Record last updated
- Apr 19, 2022
- Fax
- (617) 414-5798
- Medicaid ID
- 110107717A MA
- Medicare enrollment
- Enrolled (PECOS I20201208000554); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 850 Harrison Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Brick, MDPediatrics Physician1053687558
- Emily Burns, CNPWomen's Health Nurse Practitioner1336807957
- Marie Cantave-Ayer, NPFamily Nurse Practitioner1124354691
- Amy Coe, ARNPAdult Health Nurse Practitioner1851478051
Verify Alexandra Belcher-Obejero-Paz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 285503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
15 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Boston University Obstetrics And Gynecology Foundation IncBoston, MA
- Mattapan Community Health Center, Inc.Boston, MA
- South Boston Community Health CenterSouth Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexandra Belcher-Obejero-Paz among 1,127 obstetrics & gynecology physician records in Massachusetts
Alexandra Belcher-Obejero-Paz, M.D., M.P.H. is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 79% of them.
- NPI issued2015 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2015 · median 2004 among the 715 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Boston → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Balmookoot Balgobin, M.D.Boston, MA 021181821070186
- Lynn Borgatta, M.D.Boston, MA 021181609858968
- Nancy Callan, M.D.Boston, MA 021181407839830
- David Harrison, M.D.Boston, MA 021181801879200
- Linda Heffner, M.D.Boston, MA 021181144203548
- Sylvia Herz, M.D.Boston, MA 021181306829627
- Ronald Iverson, MDBoston, MA 021181942290796
- Samantha Kaplan, M.D.Boston, MA 021181487637716
Common questions
What is Alexandra Belcher-Obejero-Paz, M.D., M.P.H.'s NPI number?
Alexandra Belcher-Obejero-Paz, M.D., M.P.H.'s National Provider Identifier (NPI) is 1952798704, issued on Apr 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Belcher-Obejero-Paz, M.D., M.P.H. located?
The NPPES record lists a practice address at 850 Harrison Avenue, Boston, MA, 02118. Phone: (617) 414-2000. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Belcher-Obejero-Paz, M.D., M.P.H.'s license?
NPPES lists Massachusetts license number 285503, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alexandra Belcher-Obejero-Paz, M.D., M.P.H. prescribe under Medicare Part D?
In 2024, Alexandra Belcher-Obejero-Paz, M.D., M.P.H. had 15 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.