JOHN THOMAS II GRISSOM (M.D.) – Interventional Pain Medicine Physician, NPI 1598789513
Interventional Pain Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for JOHN THOMAS II GRISSOM (M.D.)
PO BOX 951027
SOUTH JORDAN, UT 840951027
Phone: (907) 373-9460
Fax: (907) 373-9461
Type: Mailing
3066 E MERIDIAN PARK LOOP # 1
WASILLA, AK 996547299
Phone: (907) 373-9460
Fax: (907) 373-9461
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 35 Open Payments records for all available years, with a total value of $616.
Total Amount is formed as General ($616) + Research ($0) + Ownership ($0) = $616.
Last reported payment date: 2024-08-14 • Largest payer in this snapshot: Boston Scientific Corporation ($279).
Total Amount
$616
General + Research + Ownership
Payments
35
Total payment records
General Amount
$616
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $279 |
| Relievant Medsystems, Inc. | $135 |
| Vertos Medical, Inc. | $70 |
| ABBVIE INC. | $45 |
| Nevro Corp. | $38 |
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: 2009-07-02
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 |
|---|---|---|---|---|
| I20090702000011 | I | Anesthesiology | AK | 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 | 480 | 360 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 190 | 19 | $0 |
| 80307 | Testing for presence of drug, by chemistry analyzers | 137 | 129 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 83 | 76 | $0 |
| G0482 | Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms | 72 | 70 | $0 |
Insurance plans in this area (ZIP 84095)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | AK | |
| - | AK | |
| Physical Therapist In Private Practice | AK | |
| Pain Management | ND | |
| Nurse Practitioner | NE | |
| - | AK | |
| Nurse Practitioner | PA | |
| - | AK | |
| Nurse Practitioner | TX | |
| Family Practice, Pain Management | AK |
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