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Obstetrics/Gynecology

Sujatha S. Rajan, MD

Works at hospitals in Winchester, MA · Massachusetts

Summary

Dr. Sujatha S. Rajan, MD is an OB-GYN at 800 W Cummings Park, Suite 2550, Woburn, MA 01801. Phone: (781) 460-2120. Accepts Medicare assignment. In 2024, Sujatha S. Rajan had 552 Original Medicare patients and 9,335 services. NPI 1710962543. 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 W Cummings Park, Suite 2550, Woburn, MA 01801 · Directions
  • Phone: (781) 460‑2120
  • Medicare: Accepts Medicare assignment
  • Hospital: Winchester Hospital
  • Medical school: graduated 1995 (31 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sujatha S. Rajan, 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 Sujatha S. Rajan accept Medicare assignment?
Yes. Medicare's clinician data says Sujatha S. Rajan 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 Sujatha S. Rajan see?
In 2024, CMS data shows 552 Original Medicare patients and 9,335 services for Sujatha S. Rajan. This counts Original Medicare only and measures volume, not quality.
What is Sujatha S. Rajan's NPI number?
1710962543. 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 Sujatha S. Rajan, 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 patients552
Services billed to Medicare9,335
Different services or procedures49
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Injection, onabotulinumtoxina, 1 unit (J0585)4,200 services
  2. Pelvic exam (99459)870 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)792 services
  4. Injection, lidocaine hcl for intravenous infusion, 10 mg (J2001)540 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)472 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 cholesterol75%
  • High blood pressure66%
  • Arthritis55%
  • Anxiety32%
  • Osteoporosis30%
  • Depression24%

Hospitals where Sujatha S. Rajan works

Medicare's Facility Affiliation Data lists Sujatha S. Rajan 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.

  • Winchester HospitalWinchester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220105

Practice locations

Addresses where Sujatha S. Rajan is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Woburn

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

All OB-GYNs in Woburn →

Clinician information

CredentialMD
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710962543
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