GARY ARLYN FINSTAD (M.D.) – Internal Medicine Physician, NPI 1184763633
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for GARY ARLYN FINSTAD (M.D.)
6425 LYNCH CANYON DR
LAKE ISABELLA, CA 932409726
Phone: (760) 379-8630
Fax: (760) 379-7658
Type: Location
43 FRONTIER TRAIL
P.O. BOX 940
KERNVILLE, CA 932380000
Phone: (760) 417-9641
Fax: (760) 379-7658
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $173.
Total Amount is formed as General ($173) + Research ($0) + Ownership ($0) = $173.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($135).
Total Amount
$173
General + Research + Ownership
Payments
8
Total payment records
General Amount
$173
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $135 |
| ABBVIE INC. | $24 |
| Exact Sciences Corporation | $15 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-10-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20091019000731 | I | Internal Medicine | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
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 | 987 | 305 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 400 | 214 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 116 | 22 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 64 | 57 | $0 |
| G0008 | Administration of influenza virus vaccine | 62 | 62 | $0 |
Insurance plans in this area (ZIP 93240)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | CA | 20610 | Aspiration and/or injection of large joint or joint capsule | 23 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CA | |
| Nurse Practitioner | CA |
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