Caj Johansson, MD
NPI 1437611431 · Family Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caj Johansson, MD is a Family Medicine Physician provider in Knoxville, TN (NPI 1437611431).
Provider details
- NPI number
- 1437611431
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- S9320 (TX)
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
7 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
1,753 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 | 295 | $117 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 230 | $9 |
| 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 | 215 | $15 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 163 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 140 | $10 |
| Hemoglobin A1c Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 438 | 148 |
| Levothyroxine Sodium | 259 | 76 |
| Amlodipine Besylate | 241 | 86 |
| Lisinopril | 216 | 62 |
| Gabapentin | 172 | 42 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 158 | 54 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-01
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Caj Johansson's NPI number?
- Caj Johansson's National Provider Identifier (NPI) is 1437611431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caj Johansson's specialty?
- Caj Johansson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Caj Johansson located?
- Caj Johansson's practice location on file with NPPES is 1300 Old Weisgarber Rd, Knoxville, TN 37909-1291.
- What is Caj Johansson's phone number?
- The practice phone number listed in the NPPES registry for Caj Johansson is (865) 584-2146.
- Does Caj Johansson accept Medicare?
- Caj Johansson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caj Johansson's NPI active?
- Yes — Caj Johansson's NPI (1437611431) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.