Doctor profile · Federal record

Dr. Paul Castello, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Santa Maria, CA

  • NPI 1669434510
  • Accepts Medicare
  • MIPS 94.6 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2342 Professional Pkwy, Suite 200
Santa Maria, CA 934551630
(805) 349-9545
fax (805) 349-8025
Mailing address
862 Meinecke Ave, Suite 100
San Luis Obispo, CA 934051721

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
April 18, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #G69783
Medicaid
CA #00G697830

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669434510. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,268
Distinct HCPCS
10
Medicare allowed
$189,946
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 1,945 171 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 503 274 $135
20610 Aspiration and/or injection of fluid from large joint 243 166 $69
73564 X-ray of knee, 4 or more views 215 183 $53
99204 New patient office or other outpatient visit, 45-59 minutes 100 100 $175
73030 X-ray of shoulder, minimum of 2 views 86 79 $39
73562 X-ray of knee, 3 views 55 48 $47
99213 Established patient office or other outpatient visit, 20-29 minutes 50 37 $97
27447 Replacement of knee joint, both sides of knee 34 34 $1,281
29823 Removal of extensive shoulder joint tissue using an endoscope 19 19 $117

In context: peer comparison

Among 2 peers in Santa Maria Orthopaedic Surgery Physician, average services per provider: 145. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$149
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Zimmer Biomet Holdings, INC. 1 $149.22

By nature of payment

Food and Beverage
$149

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
109
Patients
66
Total drug cost
$790
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 62 44 $522
Amoxicillin Generic 24 0 $23
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 23 22 $246

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Castello's medical specialty?
Dr. Paul Castello practices Orthopaedic Surgery Physician in Santa Maria, CA.
Where does Dr. Paul Castello practice?
Dr. Paul Castello practices at 2342 Professional Pkwy, Santa Maria, CA 934551630. Office phone: 8053499545.
What is Dr. Paul Castello's NPI?
Dr. Paul Castello's National Provider Identifier (NPI) is 1669434510, issued by NPPES.
Does Dr. Paul Castello accept Medicare assignment?
Yes. Dr. Paul Castello accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Castello commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99214); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.