JEFFREY KEOKOLO TAMSING (M.D.) – Neurology Physician, NPI 1457518680
Neurology 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 JEFFREY KEOKOLO TAMSING (M.D.)
PO BOX 630920
LITTLETON, CO 801630920
Phone: (303) 840-5051
Fax: (303) 840-5058
Type: Mailing
PO BOX 630951
LITTLETON, CO 80163
Phone: (303) 649-1706
Fax: (303) 791-4685
Type: Mailing
Parker Vision Specialists, 9235, Crown Crest Boulevard, Parker, Douglas County, Colorado, 80138, United States
SUITE 200
PARKER, CO 801388880
Phone: (303) 840-5051
Fax: (303) 840-5058
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 472 Open Payments records for all available years, with a total value of $55,026.
Total Amount is formed as General ($55,026) + Research ($0) + Ownership ($0) = $55,026.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Alexion Pharmaceuticals, Inc. ($25,172).
Total Amount
$55,026
General + Research + Ownership
Payments
472
Total payment records
General Amount
$55,026
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alexion Pharmaceuticals, Inc. | $25,172 |
| ARGENX US, INC. | $20,096 |
| Amgen Inc. | $2,200 |
| ABBVIE INC. | $1,675 |
| Lundbeck LLC | $418 |
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: 2008-08-18
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 |
|---|---|---|---|---|
| I20080818000016 | I | Neurology | CO | 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 |
|---|---|---|---|---|
| J0585 | Injection, onabotulinumtoxina, 1 unit | 26,750 | 42 | $0 |
| 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) | 601 | 83 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 209 | 140 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 125 | 80 | $0 |
| 64615 | Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face | 96 | 34 | $0 |
Insurance plans in this area (ZIP 80163)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | CO | |
| N E U R O L O G Y | CO | |
| N E U R O L O G Y | CO | |
| N E U R O L O G Y | CO | |
| N E U R O L O G Y | CO | |
| N E U R O L O G Y | CO | |
| Physician Assistant | CO | |
| Physician Assistant | CO | |
| - | CO | |
| Physician Assistant | CO |
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