JOHN FREDERICK LEWISON (MD) – Internal Medicine Physician, NPI 1497795678
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,508 INTERNAL MEDICINE in CA
Provider Addresses for JOHN FREDERICK LEWISON (MD)
2201 South Ave
South Lake Tahoe, CA 961507025
Phone: (530) 543-5623
Fax: (530) 541-5738
Type: Location
1111, Emerald Bay Road, Tahoe Valley, South Lake Tahoe, El Dorado County, California, 96150, United States
SOUTH LAKE TAHOE, CA 961506207
Phone: (530) 543-5659
Fax: (530) 541-8723
Type: Mailing
South Lake Tahoe, El Dorado County, California, United States
SOUTH LAKE TAHOE, CA 961507026
Phone: (530) 541-3420
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: 2017-06-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20081205000276 | I | Internal Medicine | MT | TBD |
| I20150410002159 | I | Internal Medicine | AZ | TBD |
| I20170607000631 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 229 | 75 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 41 | 41 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 23 | 23 | $0 |
Insurance plans in this area (ZIP 96150)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MT | |
| Hospitalist, Internal Medicine | MT | |
| Family Practice | MT | |
| A N E S T H E S I O L O G Y | ID | |
| Physician Assistant | MT | |
| Nurse Practitioner | MT | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Internal Medicine, Hematology/Oncology | MT | |
| Family Practice, Addiction Medicine | MN | |
| - | OK |
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