Clifford Johnson, MD
NPI 1538137542 · Internal Medicine Physician · North Canton, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clifford Johnson, MD is a Internal Medicine Physician provider in North Canton, OH (NPI 1538137542).
Provider details
- NPI number
- 1538137542
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35051310 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,002 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 | 313 | $121 |
| 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 | 184 | $16 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 116 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $82 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older)95811 | 87 | $114 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 551 | 155 |
| Lisinopril | 393 | 106 |
| Amlodipine Besylate | 345 | 90 |
| Hydrochlorothiazide | 324 | 92 |
| Losartan Potassium | 221 | 58 |
| Metoprolol Succinate | 197 | 57 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2012-02-16
Frequently asked questions
- What is Clifford Johnson's NPI number?
- Clifford Johnson's National Provider Identifier (NPI) is 1538137542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clifford Johnson's specialty?
- Clifford Johnson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clifford Johnson located?
- Clifford Johnson's practice location on file with NPPES is 6046 Whipple Ave Nw, North Canton, OH 44720-7616.
- What is Clifford Johnson's phone number?
- The practice phone number listed in the NPPES registry for Clifford Johnson is (330) 433-1200.
- Does Clifford Johnson accept Medicare?
- Clifford Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clifford Johnson's NPI active?
- Yes — Clifford Johnson's NPI (1538137542) is active in the NPPES registry as of the last update on 2012-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.