DR. GRANT MICHAEL WARMOUTH (MD) – Clinical Neurophysiology Physician, NPI 1376757344
Clinical Neurophysiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
505 NEUROLOGY in CO
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Provider Addresses for DR. GRANT MICHAEL WARMOUTH (MD)
1511, Onyx Circle, Longmont, Boulder County, Colorado, 80504, United States
LONGMONT, CO 805047805
Phone: (303) 776-5298
Fax: (303) 682-2785
Type: Mailing
13377 TRAVERTINE LN
RENO, NV 895115946
Phone: (303) 776-5298
Type: Location
1908 THOMES AVE STE 12550
CHEYENNE, WY 820013527
Phone: (303) 776-5298
Fax: (303) 682-2785
Type: Mailing
1511 Onyx Cir
Longmont, CO 805047805
Phone: (303) 776-5298
Type: Location
1908 Thomes Ave Ste 12550
Cheyenne, WY 820013527
Phone: (303) 776-5298
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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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: 2024-02-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20180112000221 | I | Neurology | CO | TBD |
| I20240207002208 | I | Neurology | NV | 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 |
|---|---|---|---|---|
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | 1,036 | 398 | $0 |
| 95870 | Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study | 440 | 199 | $0 |
| 95938 | Placement of skin electrodes and measurement of stimulated sites on arms and legs | 401 | 399 | $0 |
| 95861 | Needle measurement of electrical activity in arm or leg muscles, 2 extremities | 234 | 234 | $0 |
| 95939 | Placement of skin electrodes and measurement of central motor stimulation in arms and legs | 149 | 147 | $0 |
Insurance plans in this area (ZIP 80504)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | CA | |
| N E U R O L O G Y | IN | |
| N E U R O L O G Y | CA | |
| N E U R O L O G Y | CO | |
| N E U R O L O G Y | WY | |
| N E U R O L O G Y | WY | |
| N E U R O L O G Y | FL |
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