Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Melanie M. Contois, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Dr. Melanie M. Contois, MD is an OB-GYN at 2401 W Belvedere Ave, Sinai Ob/gyn Associates, Baltimore, MD 21215. Phone: (410) 601-5530. May accept Medicare assignment. In 2024, Melanie M. Contois had 42 Original Medicare patients and 69 services. NPI 1407203904. 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: 2401 W Belvedere Ave, Sinai Ob/gyn Associates, Baltimore, MD 21215 · Directions
  • Phone: (410) 601‑5530
  • Medicare: May accept Medicare assignment
  • Hospital: Sinai Hospital of Baltimore
  • Group practice: Sinai Hospital of Baltimore, Inc
  • Medical school: graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Melanie M. Contois, 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 Melanie M. Contois accept Medicare assignment?
Medicare's clinician data says Melanie M. Contois may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Melanie M. Contois see?
In 2024, CMS data shows 42 Original Medicare patients and 69 services for Melanie M. Contois. This counts Original Medicare only and measures volume, not quality.
What is Melanie M. Contois's NPI number?
1407203904. 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 Melanie M. Contois, 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 patients42
Services billed to Medicare69
Different services or procedures18
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)18 services
  2. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)13 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 blood pressure74%
  • High cholesterol64%
  • Arthritis45%
  • Diabetes38%

Hospitals where Melanie M. Contois works

Medicare's Facility Affiliation Data lists Melanie M. Contois 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 Melanie M. Contois is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Melanie M. Contois as a member of this group (CMS data updated October 2, 2026).

  • Sinai Hospital of Baltimore, Inc380 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Maryland →

Other OB-GYNs in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

All OB-GYNs in Baltimore →

Other clinicians in Sinai Hospital of Baltimore, Inc

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

Clinician information

CredentialMD
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1407203904
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