Doctor profile · Federal record

Dr. John Welsh, M.D.

Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · Campbell, CA

  • NPI 1003990847
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
429 Llewellyn Ave
Campbell, CA 950081948
(408) 364-1616
Additional location
2500 Hospital Dr Bldg 9
Mountain View, CA 940404116
(650) 254-1200

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 19, 2022
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
208100000X — NUCC code
State license (1)
California #G80415

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003990847. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,833
Distinct HCPCS
10
Medicare allowed
$260,525
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 852 227 $153
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 238 146 $171
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 166 113 $13
99204 New patient office or other outpatient visit, 45-59 minutes 85 85 $198
64635 Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 81 59 $275
99213 Established patient office or other outpatient visit, 20-29 minutes 73 62 $108
64636 Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 72 51 $81
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 62 46 $58
64493 Injection of lower or sacral spine facet joint using imaging guidance, single level 48 33 $151
64494 Injection of lower or sacral spine facet joint using imaging guidance, second level 43 29 $84

In context: peer comparison

Among 1 peers in Campbell Physical Medicine & Rehabilitation Physician, average services per provider: 114. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$141
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Spr Therapeutics, INC 1 $95.73
Ibsa Pharma INC. 2 $45.09

By nature of payment

Food and Beverage
$141

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,315
Patients
231
Total drug cost
$43,326
Drug Type Claims Patients Total cost
Gabapentin Generic 341 68 $6,510
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 312 51 $8,996
Pregabalin Generic 123 23 $5,088
Tramadol Hcl Generic 76 23 $1,152
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 64 12 $2,106
Duloxetine Hcl Generic 57 0 $1,249
Meloxicam Generic 48 11 $292
Celecoxib Generic 45 11 $4,157
Prednisone Generic 42 21 $123
Methadone Hcl Generic 37 0 $998

Frequently asked questions

Auto-generated from federal data
What is Dr. John Welsh's medical specialty?
Dr. John Welsh practices Physical Medicine & Rehabilitation Physician in Campbell, CA.
Where does Dr. John Welsh practice?
Dr. John Welsh practices at 429 Llewellyn Ave, Campbell, CA 950081948. Office phone: 4083641616.
What is Dr. John Welsh's NPI?
Dr. John Welsh's National Provider Identifier (NPI) is 1003990847, issued by NPPES.
Does Dr. John Welsh accept Medicare assignment?
Yes. Dr. John Welsh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Welsh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (HCPCS 64483); Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152). Source: CMS Medicare Physician & Other Practitioners file.