Greg Johnson, M.D
NPI 1548419138 · Internal Medicine Physician · Vadnais Heights, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg Johnson, M.D is a Internal Medicine Physician provider in Vadnais Heights, MN (NPI 1548419138).
Provider details
- NPI number
- 1548419138
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 51497 (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
17 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
752 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 179 | $124 |
| 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 | 122 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 119 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $88 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 48 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 256 | 102 |
| Lisinopril | 164 | 66 |
| Amlodipine Besylate | 126 | 45 |
| Levothyroxine Sodium | 126 | 44 |
| Omeprazole | 102 | 39 |
| Losartan Potassium | 96 | 43 |
| Simvastatin | 87 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-18
- Last updated
- 2023-09-22
- Certified
- 2023-09-22
Frequently asked questions
- What is Greg Johnson's NPI number?
- Greg Johnson's National Provider Identifier (NPI) is 1548419138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Johnson's specialty?
- Greg Johnson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greg Johnson located?
- Greg Johnson's practice location on file with NPPES is 1155 County Road E E Ste 100, Vadnais Heights, MN 55110-5191.
- What is Greg Johnson's phone number?
- The practice phone number listed in the NPPES registry for Greg Johnson is (651) 241-9200.
- Does Greg Johnson accept Medicare?
- Greg Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greg Johnson's NPI active?
- Yes — Greg Johnson's NPI (1548419138) is active in the NPPES registry as of the last update on 2023-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.