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

Obstetrics/Gynecology

Jenny M. Ruan, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Jenny M. Ruan, MD is an OB-GYN at 800 Washington St, Boston, MA 02111. Phone: (617) 636-5000. Accepts Medicare assignment. In 2024, Jenny M. Ruan had 23 Original Medicare patients and 47 services. NPI 1053606285. 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: 800 Washington St, Boston, MA 02111 · Directions
  • Phone: (617) 636‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Tufts Medical Center
  • Group practice: Pratt Ob/Gyn Associates, Inc
  • Medical school: Tufts University School Of Medicine · graduated 2011 (15 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Jenny M. Ruan, 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 Jenny M. Ruan accept Medicare assignment?
Yes. Medicare's clinician data says Jenny M. Ruan 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 Jenny M. Ruan see?
In 2024, CMS data shows 23 Original Medicare patients and 47 services for Jenny M. Ruan. This counts Original Medicare only and measures volume, not quality.
What is Jenny M. Ruan's NPI number?
1053606285. 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 Jenny M. Ruan, 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 patients23
Services billed to Medicare47
Different services or procedures12
Participating Medicare providerYes
Average age of these patients66

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 cholesterol75%
  • High blood pressure61%

Hospitals where Jenny M. Ruan works

Medicare's Facility Affiliation Data lists Jenny M. Ruan 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.

  • Tufts Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220116

Practice locations

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

Group practices

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

  • Pratt Ob/Gyn Associates, Inc61 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Boston

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

All OB-GYNs in Boston →

Other clinicians in Pratt Ob/Gyn Associates, Inc

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

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1053606285
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