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Obstetrics/Gynecology

Zung M. Hoang, MD

Works at hospitals in Norwich, CT · Connecticut

Summary

Dr. Zung M. Hoang, MD is an OB-GYN at 115 Lincoln St, Framingham, MA 01702. Phone: (864) 908-3530. Accepts Medicare assignment. In 2024, Zung M. Hoang had 48 Original Medicare patients and 155 services. NPI 1184928392. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 115 Lincoln St, Framingham, MA 01702 · Directions (2 more locations)
  • Phone: (864) 908‑3530
  • Medicare: Accepts Medicare assignment
  • Hospital: William W Backus Hospital
  • Group practice: Ob-Gyn Services, P.C. (+1 more)
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Zung M. Hoang, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Zung M. Hoang accept Medicare assignment?
Yes. Medicare's clinician data says Zung M. Hoang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Zung M. Hoang see?
In 2024, CMS data shows 48 Original Medicare patients and 155 services for Zung M. Hoang. This counts Original Medicare only and measures volume, not quality.
What is Zung M. Hoang's NPI number?
1184928392. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Zung M. Hoang, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients48
Services billed to Medicare155
Different services or procedures23
Participating Medicare providerYes
Average age of these patients65

Most frequent services

  1. Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)34 services
  2. Complete ultrasound scan of pelvis (76856)27 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)25 services
  4. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)22 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol65%
  • High blood pressure48%
  • Arthritis38%
  • Anxiety27%
  • Depression23%

Hospitals where Zung M. Hoang works

Medicare's Facility Affiliation Data lists Zung M. Hoang at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • William W Backus HospitalNorwich, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070024

Practice locations

Addresses where Zung M. Hoang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zung M. Hoang as a member of these groups (CMS data updated October 2, 2026).

  • Ob-Gyn Services, P.C.17 clinicians in the group
  • Obhg Massachusetts - Direct PC16 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Framingham

Clinicians with the same Medicare primary specialty in Framingham, MA — not a recommendation.

All OB-GYNs in Framingham →

Other clinicians in Ob-Gyn Services, P.C.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184928392
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians