Gregory Tjossem, M.D.
NPI 1215931696 · Family Medicine Physician · Spring Grove, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Tjossem, M.D. is a Family Medicine Physician provider in Spring Grove, MN (NPI 1215931696).
Provider details
- NPI number
- 1215931696
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD156481 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
126 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $88 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 23 | $125 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $124 |
Typical Medicare-allowed amounts for these services range $88–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 170 | 58 |
| Amlodipine Besylate | 105 | 36 |
| Omeprazole | 91 | 29 |
| Tamsulosin Hcl | 89 | 26 |
| Furosemide | 89 | 20 |
| Gabapentin | 86 | 25 |
| Levothyroxine Sodium | 82 |
Practice location
Mailing address
Additional practice locations (1)
- 2950 E Harmony RdSuite 190Fort Collins, CO 80528-3419Phone: (303) 338-4545
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2020-11-09
- Certified
- 2020-11-09
Frequently asked questions
- What is Gregory Tjossem's NPI number?
- Gregory Tjossem's National Provider Identifier (NPI) is 1215931696, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Tjossem's specialty?
- Gregory Tjossem is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Tjossem located?
- Gregory Tjossem's practice location on file with NPPES is 123 5th Ave Se, Spring Grove, MN 55974-1318.
- What is Gregory Tjossem's phone number?
- The practice phone number listed in the NPPES registry for Gregory Tjossem is (608) 782-7300.
- Does Gregory Tjossem accept Medicare?
- Gregory Tjossem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Tjossem's NPI active?
- Yes — Gregory Tjossem's NPI (1215931696) is active in the NPPES registry as of the last update on 2020-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.