Harold L. Johnson, MD
Family Medicine Physician · Boulder, CO
Harold L. Johnson, MD is a family medicine physician with a practice address in Boulder, Colorado, and NPI 1801860101, issued on Feb 14, 2006. Check the license (Colorado DR.0034800, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Harold L. Johnson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DR.0034800 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2750 Broadway St, Boulder, CO 80304
- Phone
- (303) 440-3102
- Enumerated
- Feb 14, 2006
- Record last updated
- Mar 10, 2025
- Fax
- (303) 440-3175
- Medicare enrollment
- Enrolled (PECOS I20200804000405); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 2750 Broadway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Harold L. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0034800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average family medicine physician in 2024
2,151 Medicare Part D claims for 213 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium184 claims
- Rosuvastatin Calcium156 claims
- Lisinopril155 claims
- Levothyroxine Sodium90 claims
- Losartan Potassium73 claims
- Gabapentin68 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Boulder Medical Center, PCBoulder, CO
- Legacy Healthcare Services IncDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harold L. Johnson among 3,563 family medicine physician records in Colorado
Harold L. Johnson, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 56% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1994 · median 2008 among the 2,077 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
91 family medicine physician records list a practice address in Boulder
They are 91 of the 5,635 NPPES records with a practice address in Boulder, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Boulder → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Christa Ambrose, DOBoulder, CO 803041902912116
- Kevin Dryden, MDBoulder, CO 803041285731240
- Eileen Gallagher, M.D.Boulder, CO 803041891779500
- Frances Hamilton, M.D.Boulder, CO 803041407839137
- Deborah Kern, M.D.Boulder, CO 803041306948591
- Michael Kosta, M.D.Boulder, CO 803041649254269
- Jill Siegfried, M.D.Boulder, CO 803041013991611
- Karin Susskind, M.D.Boulder, CO 803041093799694
Common questions
What is Harold L. Johnson, MD's NPI number?
Harold L. Johnson, MD's National Provider Identifier (NPI) is 1801860101, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harold L. Johnson, MD located?
The NPPES record lists a practice address at 2750 Broadway St, Boulder, CO, 80304. Phone: (303) 440-3102. Providers update this record themselves, so call before visiting.
How can I verify Harold L. Johnson, MD's license?
NPPES lists Colorado license number DR.0034800, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harold L. Johnson, MD prescribe under Medicare Part D?
In 2024, Harold L. Johnson, MD had 2,151 Medicare Part D claims for 213 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.