Harold Johnson, MD
NPI 1801860101 · Family Medicine Physician · Boulder, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Johnson, MD is a Family Medicine Physician provider in Boulder, CO (NPI 1801860101).
Provider details
- NPI number
- 1801860101
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0034800 (CO)
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
596 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 219 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 191 | $89 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 93 | $26 |
| Admn Sarscov2 Vacc 1 Dose90480 | 29 | $42 |
| Administration of Vaccine90471 | 20 | $21 |
| Administration of Influenza Virus VaccineG0008 | 16 | $33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 184 | 46 |
| Rosuvastatin Calcium | 156 | 50 |
| Lisinopril | 155 | 41 |
| Levothyroxine Sodium | 90 | 24 |
| Losartan Potassium | 73 | 21 |
| Gabapentin | 68 | 18 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-14
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Harold Johnson's NPI number?
- Harold Johnson's National Provider Identifier (NPI) is 1801860101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Johnson's specialty?
- Harold Johnson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Johnson located?
- Harold Johnson's practice location on file with NPPES is 2750 Broadway St, Boulder, CO 80304-3586.
- What is Harold Johnson's phone number?
- The practice phone number listed in the NPPES registry for Harold Johnson is (303) 440-3102.
- Does Harold Johnson accept Medicare?
- Harold Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Johnson's NPI active?
- Yes — Harold Johnson's NPI (1801860101) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.