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Obstetrics/Gynecology

Maria C. Rhee, MD

Works at hospitals in New Haven, CT · Connecticut

Summary

Dr. Maria C. Rhee, MD is an OB-GYN at 4 A Devine St, North Haven, CT 06473. Phone: (203) 272-2248. Accepts Medicare assignment. In 2024, Maria C. Rhee had 19 Original Medicare patients and 65 services. NPI 1518965888. 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: 4 A Devine St, North Haven, CT 06473 · Directions (2 more locations)
  • Phone: (203) 272‑2248
  • Medicare: Accepts Medicare assignment
  • Hospital: Yale-New Haven Hospital
  • Group practice: Northeast Medical Group Inc
  • Medical school: Tufts University School Of Medicine · 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 Maria C. Rhee, 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 Maria C. Rhee accept Medicare assignment?
Yes. Medicare's clinician data says Maria C. Rhee 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 Maria C. Rhee see?
In 2024, CMS data shows 19 Original Medicare patients and 65 services for Maria C. Rhee. This counts Original Medicare only and measures volume, not quality.
What is Maria C. Rhee's NPI number?
1518965888. 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 Maria C. Rhee, 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 patients19
Services billed to Medicare65
Different services or procedures10
Participating Medicare providerYes
Average age of these patients64

Most frequent services

  1. Pelvic exam (99459)16 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)14 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 cholesterol74%

Hospitals where Maria C. Rhee works

Medicare's Facility Affiliation Data lists Maria C. Rhee 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.

Practice locations

Addresses where Maria C. Rhee is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maria C. Rhee as a member of this group (CMS data updated October 2, 2026).

  • Northeast Medical Group Inc1,360 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Connecticut →

Other OB-GYNs in Connecticut

Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.

All OB-GYNs in Connecticut →

Other clinicians in Northeast Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518965888
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