NPPES file of Aug 9, 2026

Harold Albert Johnson, MD

Radiation Oncology Physician · Columbia, MO

Harold Albert Johnson, MD is a radiation oncology physician with a practice address in Columbia, Missouri, and NPI 1154327096, issued on Jun 24, 2005. Check the license (Missouri 2007030787, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154327096
Name
Harold Albert Johnson
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
2007030787 MO
Self-reported in NPPES; status is on the state search
Practice location
1705 E Broadway, Columbia, MO 65201
Phone
(573) 874-7800
Enumerated
Jun 24, 2005
Record last updated
Feb 17, 2025
Fax
(573) 443-3627
Medicare enrollment
Enrolled (PECOS I20080827000273); accepts Medicare assignment
Medical or professional school
University Of North Carolina At Chapel Hill School Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1705 E Broadway

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elangovan Balakrishnan, MDHematology & Oncology Physician1407843022
  2. Gregory Biedermann, MDRadiation Oncology Physician1851463756
  3. Lauren Breshears, N.P.Primary Care Nurse Practitioner1861887689
  4. James Brocksmith, D.O.Internal Medicine Physician1922061373
  5. Mark Bryer, MDRadiation Oncology Physician1144217324
  6. William Crowley, M.D.Neurology Physician1255603809

Verify Harold Albert Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2007030787
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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57% more Medicare Part D claims than the average radiation oncology physician in 2024

211 Medicare Part D claims for 93 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Harold Johnson211
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl120 claims
  2. Oxycodone Hcl11 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.

The MIPS final score for 2023 (Medicare payment program): 90.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.3
  2. Costout of 100 · 30%93.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,707.65

78 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Harold Johnson$1,707.65
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Missouri Cancer Associates LLCColumbia, MO
  2. The Curators OF The University OF MissouriColumbia, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Harold Albert Johnson among 136 radiation oncology physician records in Missouri

Harold Albert Johnson, MD is one of 136 radiation oncology physician records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1997 · median 2004 among the 96 with a school on file
  • Record last updated2025 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Missouri

There are 136 radiation oncology physician records in Missouri.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Gregory Biedermann, MDColumbia, MO 652011851463756
  2. Mark Bryer, MDColumbia, MO 652011144217324
  3. Reed Cope, MDColumbia, MO 652011801214267
  4. Roger Good, M.D.Columbia, MO 652011881652915
  5. Andrew LeikerColumbia, MO 652011568859023
  6. Steven Westgate, M.D.Columbia, MO 652031750379053
  7. Mohamed Abdelhakiem, MDColumbia, MO 652121073017216
  8. Steven Gresswell, M.D.Columbia, MO 652121932548484

Common questions

What is Harold Albert Johnson, MD's NPI number?

Harold Albert Johnson, MD's National Provider Identifier (NPI) is 1154327096, issued on Jun 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Harold Albert Johnson, MD located?

The NPPES record lists a practice address at 1705 E Broadway, Columbia, MO, 65201. Phone: (573) 874-7800. Providers update this record themselves, so call before visiting.

How can I verify Harold Albert Johnson, MD's license?

NPPES lists Missouri license number 2007030787, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Harold Albert Johnson, MD prescribe under Medicare Part D?

In 2024, Harold Albert Johnson, MD had 211 Medicare Part D claims for 93 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Harold Albert Johnson, MD's MIPS final score?

The 2023 MIPS final score is 90.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.