DR. GREGORY N TJOSSEM (M.D.) – Family Medicine Physician, NPI 1215931696
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,661 FAMILY PRACTICE in CO
Provider Addresses for DR. GREGORY N TJOSSEM (M.D.)
2950 E Harmony Rd
Suite 190
Fort Collins, CO 805283419
Phone: (303) 338-4545
Type: Location
1836, South Avenue, La Crosse, La Crosse County, Wisconsin, 54601, United States
LA CROSSE, WI 546015429
Phone: (608) 782-7300
Type: Mailing
123, 5th Avenue Southeast, Spring Grove, Houston County, Minnesota, 55974, United States
SPRING GROVE, MN 559741318
Phone: (608) 782-7300
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2008-10-21
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 |
|---|---|---|---|---|
| I20041207000330 | I | Family Practice | IA | TBD |
| I20081021000056 | I | Family Practice | MN | 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 |
|---|---|---|---|---|
| 85610 | Blood test, clotting time | 219 | 12 | $0 |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 184 | 15 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 181 | 109 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 86 | 66 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 71 | 71 | $0 |
Insurance plans in this area (ZIP 80528)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice, Hospice/Palliative Care, Geriatric Medicine | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| Oral Surgery | WI | |
| Family Practice | WI | |
| - | WI | |
| - | WI | |
| Diagnostic Radiology | WI |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.