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GREG R ANGSTREICH MD
NPI 1659303873
Internal Medicine - Hematology & Oncology in Newport Beach, CA

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment
520 SUPERIOR AVE, SUITE 300, NEWPORT BEACH, CA 92663(949) 646-6441(949) 646-5719 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Greg R Angstreich Md NPPES

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

GREG R ANGSTREICH MD (NPI 1659303873) is an individual hematology & oncology provider in Newport Beach, California, licensed in California (C54662) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (1997).

NPPES Registry Identity

NPI1659303873
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameGREG R ANGSTREICHCredential: MD
Location Address520 SUPERIOR AVE, SUITE 300Newport Beach, CA 92663-3637
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (949) 646-6441 · Fax (949) 646-5719
Phone(949) 646-6441
Fax(949) 646-5719
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 1997
Enumeration DateJuly 7, 2006
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedOctober 18, 2020
✔ NPI 1659303873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · C54662
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
520 SUPERIOR AVE, Newport Beach, CA 92663
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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

Greg R Angstreich 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 ID7113903014
PECOS Enrollment IDI20110719000851
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 Reassignment

Medicare enrollment records show Greg Angstreich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Usc Care Medical Group, Inc
34 mi
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
NPI 1902846306 (323) 442-5955

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 9

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
1,108 services494 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,090 services334 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.
331 services111 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
126 services96 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
89 services89 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.
30 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92663 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SEVITLANA SAFAEI MD
Internal Medicine
520 SUPERIOR AVE, STE 205
NEWPORT BEACH, CA 92663
Orange County (949) 650-2462
DR. KEVIN KHEDER M.D.
Internal Medicine (Interventional Cardiology)
520 SUPERIOR AVE
NEWPORT BEACH, CA 92663
Orange County (949) 478-7373
DR. RAJESH S BANKER M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
520 SUPERIOR AVE, SUITE 330
NEWPORT BEACH, CA 92663
Orange County (949) 478-7373
PRIVATE PHYSICIANS MEDICAL ASSOCIATES
Internal Medicine (Pulmonary Disease)
520 SUPERIOR AVE, SUITE 285
NEWPORT BEACH, CA 92663
Orange County (949) 566-8179
JERALD FREDRICK SIGALA M.D.
Internal Medicine (Nephrology)
520 SUPERIOR AVE, SUITE 340
NEWPORT BEACH, CA 92663
Orange County (949) 631-9215
LI SI ZENG PA-C
Physician Assistant (Medical)
520 SUPERIOR AVE, SUITE 270
NEWPORT BEACH, CA 92663
Orange County (949) 574-9300
ORANGE COUNTY VASCULAR SPECIALISTS, INC.
Surgery (Vascular Surgery)
520 SUPERIOR AVE, SUITE 370
NEWPORT BEACH, CA 92663
Orange County (949) 574-7176
MIKA MOORE AU.D.
Audiologist-Hearing Aid Fitter
520 SUPERIOR AVE, STE. 190
NEWPORT BEACH, CA 92663
Orange County (949) 548-0352

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 Greg Angstreich's NPI number?

The NPI number for Greg Angstreich is 1659303873. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Greg Angstreich located?

Greg Angstreich practices at 520 Superior Ave Suite 300, Newport Beach, CA 92663. The listed phone number is (949) 646-6441.

What is Greg Angstreich's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Greg Angstreich enrolled in Medicare?

Yes. Greg Angstreich 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 organization bills Medicare for Greg Angstreich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greg Angstreich reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, CA). The 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 Greg Angstreich'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 Greg Angstreich was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.