NPPES file of Aug 9, 2026

Christine Chevalier-Horgan, DO

Obstetrics & Gynecology Physician · Worcester, MA

Christine Chevalier-Horgan, DO is an obstetrics & gynecology physician with a practice address in Worcester, Massachusetts, and NPI 1548839608, issued on Jun 23, 2021. Check the license (Massachusetts 1023553, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548839608
Name
Christine Chevalier-Horgan
Credential
DO
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
1023553 MA
Self-reported in NPPES; status is on the state search
Practice location
123 Summer St Ste 150S, Worcester, MA 01608
Phone
(508) 368-3110
Enumerated
Jun 23, 2021
Record last updated
Sep 23, 2025
Fax
(508) 368-3113
Medicare enrollment
Enrolled (PECOS I20250714002592); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 123 Summer St Ste 150S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jamie Barrette, CNMAdvanced Practice Midwife1477375483
  2. Rachel Draper, DOObstetrics & Gynecology Physician1265091144
  3. Ana Madariya, MDObstetrics & Gynecology Physician1952530685
  4. Michele Miola, NPNurse Practitioner1467838128
  5. Vanessa Nybo, FNPNurse Practitioner1609184589
  6. Sudhakar Rao, MDObstetrics & Gynecology Physician1396709374

Verify Christine Chevalier-Horgan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 1023553
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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87% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

21 Medicare Part D claims for 19 beneficiaries, 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.

  1. Christine Chevalier-Horgan21
  2. Specialty average165

Most prescribed

  1. Ibuprofen15 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 one group practice

  1. Reliant Medical Group IncWorcester, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christine Chevalier-Horgan among 1,127 obstetrics & gynecology physician records in Massachusetts

Christine Chevalier-Horgan, DO 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 2021, is newer than 94% of them.

  • NPI issued2021 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2021 · median 2004 among the 715 with a school on file
  • Record last updated2025 · 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.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Craig Best, M.D.Worcester, MA 016081801886106
  2. Patricia Chernosky, M.D.Worcester, MA 016081730142779
  3. Donald Desio, MDWorcester, MA 016081043205230
  4. Rachel Draper, DOWorcester, MA 016081265091144
  5. Ana Madariya, MDWorcester, MA 016081952530685
  6. Michael McBath, M.D.Worcester, MA 016081962864389
  7. Parul Nagar, D.O.Worcester, MA 016081295087914
  8. Fae Nason, MDWorcester, MA 016081588630859

Common questions

What is Christine Chevalier-Horgan, DO's NPI number?

Christine Chevalier-Horgan, DO's National Provider Identifier (NPI) is 1548839608, issued on Jun 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Christine Chevalier-Horgan, DO located?

The NPPES record lists a practice address at 123 Summer St Ste 150S, Worcester, MA, 01608. Phone: (508) 368-3110. Providers update this record themselves, so call before visiting.

How can I verify Christine Chevalier-Horgan, DO's license?

NPPES lists Massachusetts license number 1023553, 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 Christine Chevalier-Horgan, DO prescribe under Medicare Part D?

In 2024, Christine Chevalier-Horgan, DO had 21 Medicare Part D claims for 19 beneficiaries; 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.