Gregory Garrison, M.D.
NPI 1023098456 · Family Medicine Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Garrison, M.D. is a Family Medicine Physician provider in Rochester, MN (NPI 1023098456).
Provider details
- NPI number
- 1023098456
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 41620 (MN)
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
238 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 74 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $129 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 32 | $171 |
| 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 | 30 | $16 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 18 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 41 | 19 |
| Rosuvastatin Calcium | 39 | 16 |
| Amlodipine Besylate | 35 | 12 |
| Lisinopril | 33 | 14 |
| Levothyroxine Sodium | 20 | — |
| Losartan Potassium | 19 | — |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-20
- Last updated
- 2020-08-13
- Certified
- 2020-08-13
Frequently asked questions
- What is Gregory Garrison's NPI number?
- Gregory Garrison's National Provider Identifier (NPI) is 1023098456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Garrison's specialty?
- Gregory Garrison is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Garrison located?
- Gregory Garrison's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Gregory Garrison's phone number?
- The practice phone number listed in the NPPES registry for Gregory Garrison is (507) 284-2511.
- Does Gregory Garrison accept Medicare?
- Gregory Garrison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Garrison's NPI active?
- Yes — Gregory Garrison's NPI (1023098456) is active in the NPPES registry as of the last update on 2020-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.