Doctor profile · Federal record

Dr. Michael Amster, MD

Pain Medicine Physician (CMS: Pain Management) · Family Medicine Physician · Santa Cruz, CA

  • NPI 1114023058
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1510 Capitola RD
Santa Cruz, CA 950622912
(831) 427-3500
Mailing address
Po Box 542
Santa Cruz, CA 950610542

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
December 7, 2022
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
208VP0000X — NUCC code
State license (1)
California #A81550

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114023058. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$168
Transactions
5
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 5 $167.50

By nature of payment

Food and Beverage
$168

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
130
Patients
0
Total drug cost
$5,096
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 34 0 $490
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 0 $694
Oxycodone Hcl Generic 20 0 $562
Gabapentin Generic 19 0 $938
Diazepam Generic 12 0 $96
Pregabalin Generic 12 0 $1,684
Celecoxib Generic 11 0 $632

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Amster's medical specialty?
Dr. Michael Amster practices Pain Medicine Physician in Santa Cruz, CA.
Where does Dr. Michael Amster practice?
Dr. Michael Amster practices at 1510 Capitola RD, Santa Cruz, CA 950622912. Office phone: 8314273500.
What is Dr. Michael Amster's NPI?
Dr. Michael Amster's National Provider Identifier (NPI) is 1114023058, issued by NPPES.
Does Dr. Michael Amster accept Medicare assignment?
Yes. Dr. Michael Amster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.