Doctor profile · Federal record

Dr. Greg Angstreich, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Newport Beach, CA

  • NPI 1659303873
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
520 Superior Ave, Suite 300
Newport Beach, CA 926633637
(949) 646-6441
fax (949) 646-5719
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 27, 2023
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #C54662

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659303873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,501
Distinct HCPCS
8
Medicare allowed
$247,251
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,027 361 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 954 459 $70
99215 Established patient office or other outpatient visit, 40-54 minutes 292 103 $153
99204 New patient office or other outpatient visit, 45-59 minutes 98 98 $140
99443 Telephone medical discussion with physician, 21-30 minutes 83 62 $103
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $184
99442 Telephone medical discussion with physician, 11-20 minutes 15 13 $70
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $192

In context: peer comparison

Among 9 peers in this city , average services per provider: 1,060. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$101
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 4 $65.52
GlaxoSmithKline, LLC. 1 $18.49
Aveo Pharmaceuticals, Inc. 1 $16.51

By nature of payment

Food and Beverage
$101

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
371
Patients
45
Total drug cost
$1,142,939
Drug Type Claims Patients Total cost
Prednisone Generic 56 18 $492
Anastrozole Generic 42 16 $789
Eliquis (Apixaban) Brand 40 11 $25,577
Xarelto (Rivaroxaban) Brand 33 0 $36,293
Xtandi (Enzalutamide) Brand 33 0 $486,419
Levothyroxine Sodium Generic 27 0 $255
Warfarin Sodium Generic 24 0 $316
Abiraterone Acetate Generic 19 0 $3,160
Hydroxyurea Generic 16 0 $1,102
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 16 0 $397

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Greg Angstreich's medical specialty?
Dr. Greg Angstreich practices Hematology & Oncology Physician in Newport Beach, CA.
Where does Dr. Greg Angstreich practice?
Dr. Greg Angstreich practices at 520 Superior Ave, Newport Beach, CA 926633637. Office phone: 9496466441.
What is Dr. Greg Angstreich's NPI?
Dr. Greg Angstreich's National Provider Identifier (NPI) is 1659303873, issued by NPPES.
Does Dr. Greg Angstreich accept Medicare assignment?
Yes. Dr. Greg Angstreich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Angstreich commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.