LOUIS BASSETT PORTER (M.D.) – Internal Medicine Physician, NPI 1689105652
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
58 HOSPITALIST in VT
Provider Addresses for LOUIS BASSETT PORTER (M.D.)
255 QUARRY HILL RD APT 141
SOUTH BURLINGTON, VT 054036397
Phone: (801) 706-7305
Type: Mailing
UVMMC 111 COLCHESTER AVENUE
BURLINGTON, VT 05401
Phone: (802) 847-2345
Type: Location
111 Colchester Ave
Burlington, VT 054011473
Phone: (716) 753-0521
Type: Location
130 Fisher Rd
Berlin, VT 056029516
Phone: (802) 371-4100
Type: Location
17 Belmont Ave
Attention Reina Champney
Brattleboro, VT 053010530
Phone: (802) 257-0341
Fax: (802) 257-8834
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2021-09-09
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 |
|---|---|---|---|---|
| I20210909000763 | I | Hospitalist | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 227 | 111 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 117 | 110 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 111 | 69 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 81 | 33 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 38 | 37 | $0 |
Insurance plans in this area (ZIP 05403)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | CO | |
| Internal Medicine | TX | |
| Nurse Practitioner | CO | |
| - | CO | |
| - | CO | |
| Cardiovascular Disease (Cardiology) | VA | |
| Physician Assistant | CO | |
| Physician Assistant | WV | |
| Internal Medicine | NJ | |
| - | CO |
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