Doctor profile · Federal record

Dr. Michael Dillingham, MD

Sports Medicine (Orthopaedic Surgery) Physician (CMS: Orthopedic Surgery) · Redwood City, CA

  • NPI 1609808765
  • Accepts Medicare
  • 55 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 Arguell St, #100
Redwood City, CA 94063
(650) 851-4900
fax (650) 995-1202
Mailing address
500 Arguello St, #100
Redwood City, CA 94063

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1971 — 55 yrs since
Specialty taxonomy
207XX0005X — NUCC code
State license (1)
California #G23134

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609808765. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
200
Distinct HCPCS
3
Medicare allowed
$30,072
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 144 63 $145
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $190
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 21 17 $121

In context: peer comparison

Among 3 peers in this city , average services per provider: 1,100. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
71
Patients
28
Total drug cost
$322
Drug Type Claims Patients Total cost
Meloxicam Generic 60 28 $284
Prednisone Generic 11 0 $38

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Dillingham's medical specialty?
Dr. Michael Dillingham practices Sports Medicine (Orthopaedic Surgery) Physician in Redwood City, CA.
Where does Dr. Michael Dillingham practice?
Dr. Michael Dillingham practices at 500 Arguell St, Redwood City, CA 94063. Office phone: 6508514900.
What is Dr. Michael Dillingham's NPI?
Dr. Michael Dillingham's National Provider Identifier (NPI) is 1609808765, issued by NPPES.
Does Dr. Michael Dillingham accept Medicare assignment?
Yes. Dr. Michael Dillingham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Dillingham commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Aspiration and/or injection of fluid large joint using ultrasound guidance (HCPCS 20611). Source: CMS Medicare Physician & Other Practitioners file.