DR. ROMELA PETROSYAN M.D.
NPI 1689109878
Internal Medicine - Nephrology in Los Angeles, CA

Active since April 25, 2017PECOS EnrolledAccepts Medicare Assignment
1333 SAN PABLO ST # 628, LOS ANGELES, CA 90089(323) 442-1040 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 4, 2026, Nov 7, 2025, Oct 26, 2022 and 3 more (6 updates tracked since 2017).

About Dr. Romela Petrosyan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROMELA PETROSYAN M.D. (NPI 1689109878) is an individual nephrology provider in Los Angeles, California, licensed in California (A183119) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Univ Of Central Florida, College Of Medicine (2017).

NPPES Registry Identity

NPI1689109878
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameDR. ROMELA PETROSYANCredential: M.D.
Location Address1333 SAN PABLO ST # 628Los Angeles, CA 90089-1031
Mailing AddressPo Box 50938Los Angeles, CA 90074-0938 · (323) 442-5100
Sole ProprietorYes
Medical School CMSUniv Of Central Florida, College Of MedicineGraduated 2017
Enumeration DateApril 25, 2017
Last NPPES UpdateMarch 4, 20266 updates tracked since enumeration
NPPES CertifiedMarch 4, 2026
NPI 1689109878 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Licenses Licensed in CA · A183119 Licensed in MA · 282974
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 51101 (SC)
1333 SAN PABLO ST # 628, Los Angeles, CA 90089

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Romela Petrosyan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133491319
PECOS Enrollment IDI20221013001706, I20241028000696
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
198 services86 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
116 services54 patients
Dialysis procedure including 1 evaluation 90945
Dialysis is a treatment that filters and purifies the blood when your kidneys can't do their job. The procedure involves circulating your blood through a machine that removes waste products. An evaluation is done beforehand to assess your health and determine the best approach for your treatment.
115 services40 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
80 services48 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
59 services58 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
39 services30 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90089 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Romela Petrosyan's NPI number?

The NPI number for Romela Petrosyan is 1689109878. It was assigned to this individual provider in the NPPES registry on April 25, 2017.

Where is Romela Petrosyan located?

Romela Petrosyan practices at 1333 San Pablo St # 628, Los Angeles, CA 90089. The listed phone number is (323) 442-1040.

What is Romela Petrosyan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Romela Petrosyan enrolled in Medicare?

Yes. Romela Petrosyan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Romela Petrosyan accept?

Health plans from Anthem Blue Cross and Blue Shield list Romela Petrosyan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Romela Petrosyan affiliated with any hospitals?

According to CMS data, Romela Petrosyan is affiliated with Massachusetts General Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Romela Petrosyan was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.