MR. LARS E PETERSON (MD) – Internal Medicine Physician, NPI 1023110640
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
169 INTERNAL MEDICINE in WY
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Provider Addresses for MR. LARS E PETERSON (MD)
320, South 7th Street, Tree Area, Laramie, Albany County, Wyoming, 82070, United States
LARAMIE, WY 820703822
Phone: (307) 399-2883
Type: Mailing
Ivinson Memorial Hospital, 255, North 30th Street, Laramie, Albany County, Wyoming, 82072, United States
LARAMIE, WY 820725140
Phone: (307) 742-2141
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: 2004-03-26
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 |
|---|---|---|---|---|
| I20040326001211 | I | Internal Medicine | WY | 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 |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 349 | 299 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 163 | 108 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 81 | 59 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 72 | 72 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 35 | 34 | $0 |
Insurance plans in this area (ZIP 82070)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O T O L A R Y N G O L O G Y | WY | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WY | |
| Nurse Practitioner | WY | |
| Nurse Practitioner | CO | |
| O T O L A R Y N G O L O G Y | OR | |
| Internal Medicine | NY | |
| Physician Assistant | WY | |
| Nurse Practitioner | IL | |
| Family Practice | WY | |
| - | MI |
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