Mark Unger, MD
NPI 1568448744 · Family Medicine Physician · Fort Collins, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Unger, MD is a Family Medicine Physician provider in Fort Collins, CO (NPI 1568448744).
Provider details
- NPI number
- 1568448744
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33846 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,673 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 406 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 369 | $128 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 221 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 205 | $90 |
| Hemoglobin A1c Level83036 | 112 | $10 |
| Anticoagulant Management of Patient Taking Warfarin |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 521 | 138 |
| Lisinopril | 380 | 103 |
| Levothyroxine Sodium | 345 | 89 |
| Amlodipine Besylate | 293 | 88 |
| Losartan Potassium | 262 | 83 |
| Gabapentin | 227 | 60 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-19
- Last updated
- 2021-09-10
- Certified
- 2021-09-10
Frequently asked questions
- What is Mark Unger's NPI number?
- Mark Unger's National Provider Identifier (NPI) is 1568448744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Unger's specialty?
- Mark Unger is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Unger located?
- Mark Unger's practice location on file with NPPES is 1113 Oakridge Dr, Fort Collins, CO 80525-5591.
- What is Mark Unger's phone number?
- The practice phone number listed in the NPPES registry for Mark Unger is (970) 225-0040.
- Does Mark Unger accept Medicare?
- Mark Unger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Unger's NPI active?
- Yes — Mark Unger's NPI (1568448744) is active in the NPPES registry as of the last update on 2021-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.