Doctor profile · Federal record

Dr. Justin Holiwell

Physician Assistant · Student in an Organized Health Care Education/Training Program · Santa Barbara, CA

  • NPI 1912540592
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 6 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
400 W Pueblo St
Santa Barbara, CA 931054353
(805) 682-7111
Additional location
4154 San Martin Way Unit B
Santa Barbara, CA 931101430
(661) 428-4782
Mailing address
4154 San Martin Way Unit B
Santa Barbara, CA 931101430

Credentials & registration

NPPES · NUCC
NPI registered
October 2019 — 7 yrs on file
Profile last updated
December 9, 2021
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA58237

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912540592. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
59
Distinct HCPCS
3
Medicare allowed
$8,075
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 23 $152
99284 Emergency department visit with moderate level of medical decision making 18 18 $104
99285 Emergency department visit with high level of medical decision making 18 18 $150

In context: peer comparison

Among 31 peers in Santa Barbara Physician Assistant, average services per provider: 137. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$312
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Biosense Webster, INC. 2 $155.99
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 2 $45.04
Boston Scientific Corporation 1 $39.25
Boehringer Ingelheim Pharmaceuticals, INC. 1 $28.21
Pfizer INC. 1 $25.92
Amgen INC. 1 $17.30

By nature of payment

Food and Beverage
$312

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Holiwell's medical specialty?
Dr. Justin Holiwell practices Physician Assistant in Santa Barbara, CA.
Where does Dr. Justin Holiwell practice?
Dr. Justin Holiwell practices at 400 W Pueblo St, Santa Barbara, CA 931054353. Office phone: 8056827111.
What is Dr. Justin Holiwell's NPI?
Dr. Justin Holiwell's National Provider Identifier (NPI) is 1912540592, issued by NPPES.
Does Dr. Justin Holiwell accept Medicare assignment?
Yes. Dr. Justin Holiwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Holiwell commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.