Doctor profile · Federal record

Dr. Michael Muldoon, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Adult Reconstructive Orthopaedic Surgery Physician · San Diego, CA

  • NPI 1356428148
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3750 Convoy St, Suite 201
San Diego, CA 921113738
(858) 278-8300
fax (858) 278-1708

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
February 4, 2014
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #G70877
Medicaid
CA #00G708770

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356428148. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
336
Distinct HCPCS
10
Medicare allowed
$72,567
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 99 75 $94
73502 X-ray of hip, 2-3 views 46 41 $54
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 44 17 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 28 27 $137
73564 X-ray of knee, 4 or more views 23 21 $53
27130 Replacement of thigh bone and hip joint with prosthesis 22 21 $1,335
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $177
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 21 18 $114
20610 Aspiration and/or injection of fluid from large joint 17 13 $78
27447 Replacement of knee joint, both sides of knee 14 12 $1,334

In context: peer comparison

Among 37 peers in San Diego Orthopaedic Surgery Physician, average services per provider: 66. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$84
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
OMNIlife Science, INC 2 $37.24
Smith+Nephew, INC. 1 $31.65
Innovation Technologies INC 1 $15.01

By nature of payment

Food and Beverage
$84

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
203
Patients
130
Total drug cost
$3,237
Drug Type Claims Patients Total cost
Celecoxib Generic 44 22 $2,616
Meloxicam Generic 40 15 $114
Amoxicillin Generic 37 29 $106
Tramadol Hcl Generic 37 27 $158
Gabapentin Generic 32 24 $161
Oxycodone Hcl Generic 13 13 $82

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Muldoon's medical specialty?
Dr. Michael Muldoon practices Orthopaedic Surgery Physician in San Diego, CA.
Where does Dr. Michael Muldoon practice?
Dr. Michael Muldoon practices at 3750 Convoy St, San Diego, CA 921113738. Office phone: 8582788300.
What is Dr. Michael Muldoon's NPI?
Dr. Michael Muldoon's National Provider Identifier (NPI) is 1356428148, issued by NPPES.
Does Dr. Michael Muldoon accept Medicare assignment?
Yes. Dr. Michael Muldoon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Muldoon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of hip, 2-3 views (HCPCS 73502); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.