Puja L. Rai, MD

Medicare activity in 2024

Official CMS public-use data for Puja L. Rai, 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.

Most frequent services

1. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)17 services
2. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)11 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 pressure75%
• High cholesterol75%
• Arthritis50%
• Ischemic heart disease35%
• Anxiety33%
• Chronic kidney disease33%

Hospitals where Puja L. Rai works

Medicare's Facility Affiliation Data lists Puja L. Rai 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 Puja L. Rai is enrolled with Medicare (CMS data updated October 2, 2026).

• 800 Washington StBoston, MA 02111 (617) 636‑5000

Group practices

Medicare enrollment lists Puja L. Rai as a member of this group (CMS data updated October 2, 2026).

• Pratt Medical Group Inc286 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

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

• Diane E. Krause, MD
• Andrew J. Azzam, MD
• Amos Wu, MD
• Michael J. Landzberg, MD
• Nicholas Patchett, MD
• Paul D. George, MD
• Susan R. Hata, MD
• Johanna A. Pallotta, MD

All internal medicine doctors in Boston →

Other clinicians in Pratt Medical Group Inc

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

• Diane E. Krause, MD
• Rajesh R. Zacharias, MD
• Greg L. Schumaker, MD
• Cammie F. Lesser
• Shruthee Rajendran
• Laura Kogelman, MD

Clinician information

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