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GREGORY ANDONIAN MD
NPI 1942648118
Family Medicine in Los Angeles, CA

Active since June 11, 2013PECOS EnrolledAccepts Medicare Assignment
2013 AMES ST, LOS ANGELES, CA 90027(323) 428-7634 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jun 21, 2017 (3 updates tracked since 2017).

About Gregory Andonian Md NPPES

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

GREGORY ANDONIAN MD (NPI 1942648118) is an individual family medicine provider in Los Angeles, California, licensed in California (A140710) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Terre Haute, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1942648118
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameGREGORY ANDONIANCredential: MD
Location Address2013 AMES STLos Angeles, CA 90027-2901
Mailing Address2013 Ames St.Los Angeles, CA 90027 · (323) 428-7634
Phone(323) 428-7634
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJune 11, 2013
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1942648118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · A140710✔ Licensed in IN · 11016967A
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2013 AMES ST, Los Angeles, CA 90027
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Secondary Practice Location 1

Location 11513 N 6th 1/2 StTerre Haute, IN 47807-1039 · Phone (812) 238-7631 · Fax (812) 238-7003

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Andonian Md 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 ID143446260
PECOS Enrollment IDI20160714002542
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Gregory Andonian reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Epic Medical Group,inc
10 mi
Critical Care Medicine
4940 VAN NUYS BLVD, STE 200
Sherman Oaks, CA 91403
  • Reassigned Medicare billing, California enrollment
  • 76 clinicians in this Medicare group
NPI 1295178689 (818) 528-1260
Providence Facey Medical Foundation
23 mi
Urgent Care
14550 SOLEDAD CANYON RD
Santa Clarita, CA 91387
  • Reassigned Medicare billing, California enrollment
  • 684 clinicians in this Medicare group
NPI 1922651561 (818) 837-5559

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.
220 services93 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
77 services72 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
73 services26 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.
54 services52 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
38 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90027 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
12%133 patients1/55-star benchmark: 85%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 153 patients
2%153 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Gregory Andonian's NPI number?

The NPI number for Gregory Andonian is 1942648118. It was assigned to this individual provider in the NPPES registry on June 11, 2013.

Where is Gregory Andonian located?

Gregory Andonian practices at 2013 Ames St, Los Angeles, CA 90027. The listed phone number is (323) 428-7634.

What is Gregory Andonian's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Andonian enrolled in Medicare?

Yes. Gregory Andonian 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.

Which organizations bill Medicare for Gregory Andonian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Andonian reassigns Medicare benefits to 2 organizations: Epic Medical Group,inc (Sherman Oaks, CA) and Providence Facey Medical Foundation (Santa Clarita, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Andonian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Andonian was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.