Doctor profile · Federal record

Dr. Michael Brown, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Sonoma, CA

  • NPI 1942286562
  • Accepts Medicare
  • 45 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
651 1St St W, Ste K
Sonoma, CA 954767045
(707) 938-3870
fax (707) 938-3076

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
February 25, 2013
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207X00000X — NUCC code
State licenses (2)
California #G88678 · Washington #MD00025370

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942286562. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,368
Distinct HCPCS
10
Medicare allowed
$210,418
HCPCS Description Services Patients Avg allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg 848 16 $9
99213 Established patient office or other outpatient visit, 20-29 minutes 610 338 $94
J1030 Injection, methylprednisolone acetate, 40 mg 350 141 $7
20610 Aspiration and/or injection of fluid from large joint 178 140 $72
99203 New patient office or other outpatient visit, 30-44 minutes 172 172 $116
27447 Replacement of knee joint, both sides of knee 30 29 $1,289
20610 Aspiration and/or injection of fluid from large joint 28 23 $44
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 25 24 $131
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 24 24 $83
77002 Fluoroscopic guidance for needle placement 22 18 $27

In context: peer comparison

Among 2 peers in this city , average services per provider: 123. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$246
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Kairos Surgical Inc 2 $229.19
Smith+Nephew, Inc. 1 $17.24

By nature of payment

Food and Beverage
$246

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
570
Patients
296
Total drug cost
$5,403
Drug Type Claims Patients Total cost
Meloxicam Generic 204 67 $1,081
Gabapentin Generic 69 30 $808
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 69 41 $874
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 69 37 $956
Mupirocin Generic 44 41 $491
Clindamycin Hcl Generic 37 29 $100
Doxycycline Hyclate Generic 31 26 $378
Nabumetone Generic 31 11 $637
Tramadol Hcl Generic 16 14 $78

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Brown's medical specialty?
Dr. Michael Brown practices Orthopaedic Surgery Physician in Sonoma, CA.
Where does Dr. Michael Brown practice?
Dr. Michael Brown practices at 651 1St St W, Sonoma, CA 954767045. Office phone: 7079383870.
What is Dr. Michael Brown's NPI?
Dr. Michael Brown's National Provider Identifier (NPI) is 1942286562, issued by NPPES.
Does Dr. Michael Brown accept Medicare assignment?
Yes. Dr. Michael Brown accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Brown commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (HCPCS J7325); Established patient office or other outpatient visit (HCPCS 99213); Injection, methylprednisolone acetate, 40 mg (HCPCS J1030). Source: CMS Medicare Physician & Other Practitioners file.