Doctor profile · Federal record

Dr. Joseph Ryan, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Santa Barbara, CA

  • NPI 1588161178
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
540 W Pueblo St
Santa Barbara, CA 931054230
(805) 879-0670
Additional location
111 E Victoria St Fl 3
Santa Barbara, CA 931012018
(805) 563-0041
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
August 4, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A164039

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588161178. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
23
Distinct HCPCS
1
Medicare allowed
$2,830
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 20 $123

In context: peer comparison

Among 6 peers in this city , average services per provider: 914. This provider delivers 0.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,124
Transactions
40
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 6 $222.48
SOBI, INC 6 $156.19
Aveo Pharmaceuticals, Inc. 4 $141.03
Kite Pharma, Inc. 4 $93.72
PharmaEssentia USA Corporation 3 $91.82
Eisai Inc. 3 $70.93
Bayer Healthcare Pharmaceuticals Inc. 2 $59.76
Regeneron Healthcare Solutions, Inc. 2 $53.44
Merck Sharp & Dohme LLC 3 $47.90
AstraZeneca Pharmaceuticals LP 2 $45.99
GlaxoSmithKline, LLC. 1 $29.88
Genmab U.S., Inc. 1 $23.73
Takeda Pharmaceuticals U.S.A., Inc. 1 $23.33
Incyte Corporation 1 $22.81
Novartis Pharmaceuticals Corporation 1 $21.47

By nature of payment

Food and Beverage
$954
Education
$170

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
71
Patients
26
Total drug cost
$1,606
Drug Type Claims Patients Total cost
Acyclovir Generic 17 0 $469
Anastrozole Generic 15 0 $262
Prochlorperazine Maleate Generic 14 14 $330
Ondansetron Hcl Generic 13 12 $272
Dexamethasone Generic 12 0 $272

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Ryan's medical specialty?
Dr. Joseph Ryan practices Hematology & Oncology Physician in Santa Barbara, CA.
Where does Dr. Joseph Ryan practice?
Dr. Joseph Ryan practices at 540 W Pueblo St, Santa Barbara, CA 931054230. Office phone: 8058790670.
What is Dr. Joseph Ryan's NPI?
Dr. Joseph Ryan's National Provider Identifier (NPI) is 1588161178, issued by NPPES.
Does Dr. Joseph Ryan accept Medicare assignment?
Yes. Dr. Joseph Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Ryan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.