Ellyssa B. Chinnaswamy, PA

Medicare activity in 2024

Official CMS public-use data for Ellyssa B. Chinnaswamy, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)190 services
2. Aspiration and/or injection of fluid from large joint (20610)68 services
3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)59 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)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 pressure75%
• High cholesterol75%
• Arthritis75%
• Diabetes32%
• Depression32%
• Ischemic heart disease30%

Hospitals where Ellyssa B. Chinnaswamy works

Medicare's Facility Affiliation Data lists Ellyssa B. Chinnaswamy 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.

• Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210029
• MedStar Franklin Square Medical CenterRosedale, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210015
• The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210009

Practice locations

Addresses where Ellyssa B. Chinnaswamy is enrolled with Medicare (CMS data updated October 2, 2026).

• 12 Newport Dr, Suite AForest Hill, MD 21050
• 4940 Eastern AveBaltimore, MD 21224
• 6201 Greenleigh AveMiddle River, MD 21220

Group practices

Medicare enrollment lists Ellyssa B. Chinnaswamy as a member of these groups (CMS data updated October 2, 2026).

• Johns Hopkins University2,909 clinicians in the group
• Agape Physical Therapy and Sports Rehabilitation LP678 clinicians in the group

Specialties

• Physician Assistantprimary

Find other clinicians: Physician Assistant, Maryland →

Other physician assistants in Forest Hill

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

• Emily B. Panhuise
• Timothy Brinker, PA
• Dodzi Bell-Dzide, PA
• Bridget W. Diehl, PA
• Rita Mallouh, PA
• Josephine G. Hein, PA
• Alison M. Mueller, PA
• Pankaj Gupta

All physician assistants in Forest Hill →

Other clinicians in Johns Hopkins University

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

• Edbert B. Hsu, MD
• Kathleen Bailey, NP
• John C. Probasco, MD
• William Werbel, MD
• Venkat P. Gundareddy, MD
• Emily Li, 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