Quick answers
- Does Romela Petrosyan accept Medicare assignment?
- Yes. Medicare's clinician data says Romela Petrosyan 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 Romela Petrosyan see?
- In 2024, CMS data shows 317 Original Medicare patients and 875 services for Romela Petrosyan. This counts Original Medicare only and measures volume, not quality.
- What is Romela Petrosyan's NPI number?
- 1689109878. 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 Romela Petrosyan, 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 patients | 317 |
|---|---|
| Services billed to Medicare | 875 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)198 services
- Hemodialysis procedure with physician evaluation (90935)116 services
- Dialysis procedure including 1 evaluation (90945)115 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)98 services
- 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)87 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%
- Chronic kidney disease75%
- Heart failure56%
- Diabetes55%
- Ischemic heart disease53%
Hospitals where Romela Petrosyan works
Medicare's Facility Affiliation Data lists Romela Petrosyan 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.
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
- Keck Hospital of USCLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 050696
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
Practice locations
Addresses where Romela Petrosyan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1441 Eastlake AveLos Angeles, CA 90089 (323) 865‑3000
- 1500 San Pablo StLos Angeles, CA 90033
- 1516 San Pablo StLos Angeles, CA 90033 (800) 872‑2273
- 1516 San Pablo St, Suite L3100Los Angeles, CA 90033 (800) 872‑2273
- 1520 San Pablo StLos Angeles, CA 90033 (800) 872‑2273
Group practices
Medicare enrollment lists Romela Petrosyan as a member of these groups (CMS data updated October 2, 2026).
- Brigham and Womens Physicians Organization Inc2,994 clinicians in the group
- USC Care Medical Group Inc1,380 clinicians in the group
- USC Care Medical Non-Contracted LLC18 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Brigham and Womens Physicians Organization Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Univ Of Central Florida, College Of Medicine |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689109878 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians