JOHN ERSKINE WELSH (M.D.) – Physical Medicine & Rehabilitation Physician, NPI 1003990847
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Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,149 PHYSICAL MEDICINE AND REHABILITATION in CA
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Provider Addresses for JOHN ERSKINE WELSH (M.D.)
Fremont Avenue, Loyola Corners, Los Altos, Santa Clara County, California, 94024, United States
SUITE 109
LOS ALTOS, CA 940245698
Phone: (650) 941-1040
Fax: (650) 941-1001
Type: Mailing
2500 Hospital Dr Bldg 9
Mountain View, CA 940404116
Phone: (650) 254-1200
Type: Location
429 LLEWELLYN AVE
CAMPBELL, CA 950081948
Phone: (408) 364-1616
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $325.
Total Amount is formed as General ($325) + Research ($0) + Ownership ($0) = $325.
Last reported payment date: 2024-09-13 • Largest payer in this snapshot: SPR Therapeutics, Inc ($161).
Total Amount
$325
General + Research + Ownership
Payments
5
Total payment records
General Amount
$325
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| SPR Therapeutics, Inc | $161 |
| Boston Scientific Corporation | $120 |
| IBSA Pharma Inc. | $45 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
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Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 852 | 227 | $0 |
| 64483 | Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | 238 | 146 | $0 |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 166 | 113 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 85 | 85 | $0 |
| 64635 | Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint | 81 | 59 | $0 |
Insurance plans in this area (ZIP 94024)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICAL MEDICINE AND REHABILITATIO | CA | 64493 | Injections of lower or sacral spine facet joint using imaging guidance | 25 | 22 |
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