1. Home
  2. Directory
  3. California
  4. Huntington Beach
  5. Emergency Medicine
  6. NPI Profile

DR. ROBERT AMSTER M.D.
NPI 1972706083
Emergency Medicine in Huntington Beach, CA

Active since June 06, 2007PECOS Enrolled
5355 WARNER AVE., SUITE 102, HUNTINGTON BEACH, CA 92649(714) 389-5700(714) 389-6973 Get Directions Write a Review

NPPES record last updated: June 20, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 20, 2016, May 20, 2016 (2 updates tracked since 2016).

About Dr. Robert Amster M.d. NPPES

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

DR. ROBERT AMSTER M.D. (NPI 1972706083) is an individual emergency medicine provider in Huntington Beach, California, licensed in California (G34265) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972706083
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ROBERT AMSTERCredential: M.D.
Location Address5355 WARNER AVE., SUITE 102Huntington Beach, CA 92649-6030
Mailing Address18231 Irvine Blvd, Ste 200Tustin, CA 92780-3432 · (714) 389-5700 · Fax (714) 389-6973
Phone(714) 389-5700
Fax(714) 389-6973
Sole ProprietorYes
Enumeration DateJune 6, 2007
Last NPPES UpdateJune 20, 20162 updates tracked since enumeration
✔ NPI 1972706083 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · G34265
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
5355 WARNER AVE., Huntington Beach, CA 92649
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINA45853CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert Amster M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92649 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.

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 Robert Amster's NPI number?

The NPI number for Robert Amster is 1972706083. It was assigned to this individual provider in the NPPES registry on June 6, 2007.

Where is Robert Amster located?

Robert Amster practices at 5355 Warner Ave. Suite 102, Huntington Beach, CA 92649. The listed phone number is (714) 389-5700.

What is Robert Amster's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Robert Amster enrolled in Medicare?

Yes. Robert Amster is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Robert Amster was last updated on June 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.