Jennifer L. Tam, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer L. Tam, 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. Admn sarscov2 vacc 1 dose (90480)793 services
2. Sarscv2 vac 30mcg trs-suc im (91320)793 services
3. Administration of influenza virus vaccine (G0008)530 services
4. Influenza vaccine split virus, preservative free (90662)529 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)352 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%
• Arthritis59%
• Chronic kidney disease53%
• Anxiety34%
• Osteoporosis31%

Hospitals where Jennifer L. Tam works

Medicare's Facility Affiliation Data lists Jennifer L. Tam 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.

• South Shore HospitalSouth Weymouth, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220100

Practice locations

Addresses where Jennifer L. Tam is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Brooksby Village DrPeabody, MA 01960 (978) 536‑7850
• 300 Linden Ponds WayHingham, MA 02043 (781) 534‑7100

Group practices

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

• Erickson Health Medical Group of Massachusetts PC16 clinicians in the group

Specialties

• Geriatric Medicineprimary

Find other Geriatric Medicine doctors in Massachusetts →

Other geriatricians in Massachusetts

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

• Andrew Popelka Jr., MD
• Ariadne Scott Iriarte, MD
• Shiavax B. Cowasji, MD
• Rossana P. Lau-Ng, MD
• Maura J. Brennan, MD
• Zahra S. Sheikh, MD
• Sevdenur Cizginer Konuk, MD
• Azadeh Assarpour, MD

All geriatricians in Massachusetts →

Other clinicians in Erickson Health Medical Group of Massachusetts PC

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

• Dimitar Dimitrov, MD
• Ann W. Wanderi
• Sheila Deneus, NP
• Phyllis Fine, MD
• Carmel B. O Doherty Popp, CSW
• David H. Greenblott, DPM

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