NPPES file of Aug 9, 2026

Zung My Hoang, M.D

Obstetrics & Gynecology Physician · Charlton, MA

Zung My Hoang, M.D is an obstetrics & gynecology physician with a practice address in Charlton, Massachusetts, and NPI 1184928392, issued on Jan 3, 2011. Check the license (Massachusetts 256102, 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
1184928392
Name
Zung My Hoang
Credential
M.D
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
256102 MA
54462 CT
Self-reported in NPPES; status is on the state search
Practice location
9 Trolley Crossing RD, Charlton, MA 01507
Phone
(508) 980-7055
Enumerated
Jan 3, 2011
Record last updated
May 29, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160317000549); 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 9 Trolley Crossing RD

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

  1. Teddi Bachawaty, MDObstetrics & Gynecology Physician1154304228
  2. Heather Briere, NPFamily Nurse Practitioner1598093973
  3. Lauryn Ciszek, FNPFamily Nurse Practitioner1659983690
  4. Monisha Sarin, MDFamily Medicine Physician1609915529
  5. Sonja SchafferFamily Nurse Practitioner1336694439

Verify Zung My Hoang 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 256102
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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37% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

104 Medicare Part D claims for 53 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Zung Hoang104
  2. Specialty average165

Most prescribed

  1. Estradiol28 claims
  2. Misoprostol12 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. OB-Gyn Services, P.C.Norwich, CT

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

Zung My Hoang among 1,127 obstetrics & gynecology physician records in Massachusetts

Zung My Hoang, M.D 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 2011, is newer than 70% of them.

  • NPI issued2011 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1997 · median 2004 among the 715 with a school on file
  • Record last updated2018 · 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).

2 obstetrics & gynecology physician records list a practice address in Charlton

They are 2 of the 149 NPPES records with a practice address in Charlton, and 1,127 obstetrics & gynecology physician records in Massachusetts.

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

  1. Teddi Bachawaty, MDCharlton, MA 015071154304228
  2. William McLaughlin, M.D.Auburn, MA 015011629069810
  3. Promila Mathur, MDNorthboro, MA 015321487751491
  4. Bailoo Rohatgi, M.D.Northbridge, MA 015341679746564
  5. Brenda Zylstra, NPNorthbridge, MA 015341013081421
  6. Paul Dunn, M.D.Shrewsbury, MA 015451013908391
  7. Thomas Halpin, M.D.Shrewsbury, MA 015451699759514
  8. David Klein, MDShrewsbury, MA 015451396724340

Common questions

What is Zung My Hoang, M.D's NPI number?

Zung My Hoang, M.D's National Provider Identifier (NPI) is 1184928392, issued on Jan 3, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Zung My Hoang, M.D located?

The NPPES record lists a practice address at 9 Trolley Crossing RD, Charlton, MA, 01507. Phone: (508) 980-7055. Providers update this record themselves, so call before visiting.

How can I verify Zung My Hoang, M.D's license?

NPPES lists Massachusetts license number 256102, 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 Zung My Hoang, M.D prescribe under Medicare Part D?

In 2024, Zung My Hoang, M.D had 104 Medicare Part D claims for 53 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.