Karyn Johnson, MD
NPI 1306800479 · Internal Medicine Physician · Woodbury, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karyn Johnson, MD is a Internal Medicine Physician provider in Woodbury, MN (NPI 1306800479).
Provider details
- NPI number
- 1306800479
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 41486 (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
346 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 98 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 89 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $89 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 29 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 25 | $127 |
| Hemoglobin A1c Level83036 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 152 | 57 |
| Lisinopril | 112 | 38 |
| Levothyroxine Sodium | 93 | 36 |
| Hydrochlorothiazide | 77 | 23 |
| Metoprolol Succinate | 67 | 23 |
| Amlodipine Besylate | 64 | 21 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2021-03-23
- Certified
- 2021-03-23
Frequently asked questions
- What is Karyn Johnson's NPI number?
- Karyn Johnson's National Provider Identifier (NPI) is 1306800479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karyn Johnson's specialty?
- Karyn Johnson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karyn Johnson located?
- Karyn Johnson's practice location on file with NPPES is 8675 Valley Creek Rd, Woodbury, MN 55125-2337.
- What is Karyn Johnson's phone number?
- The practice phone number listed in the NPPES registry for Karyn Johnson is (651) 241-3000.
- Does Karyn Johnson accept Medicare?
- Karyn Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karyn Johnson's NPI active?
- Yes — Karyn Johnson's NPI (1306800479) is active in the NPPES registry as of the last update on 2021-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.