NPPES file of Aug 9, 2026

Christopher Bryce Johnson, M.D., PH.D.

Radiation Oncology Physician · Baltimore, MD

Christopher Bryce Johnson, M.D., PH.D. is a radiation oncology physician with a practice address in Baltimore, Maryland, and NPI 1619330289, issued on Mar 31, 2016. Check the license on the Maryland Board of Physicians; 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
1619330289
Name
Christopher Bryce Johnson
Credential
M.D., PH.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
1013962836 VA
Self-reported in NPPES; status is on the state search
Practice location
3001 S Hanover St, Baltimore, MD 21225
Phone
(410) 350-3565
Enumerated
Mar 31, 2016
Record last updated
Jun 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210618000083); accepts Medicare assignment
Medical or professional school
University Of South Carolina School Of Medicine, 2016
Telehealth
Offers telehealth (CMS)
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 3001 S Hanover St

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

  1. Elizabeth Adegboyega-PanoxOrthopaedic Surgery Physician1982618658
  2. Ethel Adeloye, M.D.Pediatrics Physician1558325415
  3. Nebiyu Adenaw, M.D.Diagnostic Radiology Physician1225458557
  4. Olakunle Adenugba, NPPsychiatric/Mental Health Nurse Practitioner1780397190
  5. Wefag Ahmed, M.DInternal Medicine Physician1407387137
  6. Haneen Aibak, MDInternal Medicine Physician1932362076

Verify Christopher Bryce Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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 Maryland license search

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36% more Medicare Part D claims than the average radiation oncology physician in 2024

182 Medicare Part D claims for 70 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Christopher Johnson182
  2. Specialty average134

Most prescribed

  1. Pantoprazole Sodium42 claims
  2. Tamsulosin Hcl28 claims
  3. Gabapentin18 claims
  4. Dexamethasone17 claims
  5. Memantine Hcl14 claims
  6. Lorazepam11 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 practice group's MIPS final score for 2023 (Medicare payment program): 78.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score72.9
  2. Costout of 100 · 30%55.1
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $178.81

3 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. 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. Christopher Johnson$178.81
  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 one group practice

  1. Radiation Oncology Associates PCLeesburg, VA

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

Christopher Bryce Johnson among 124 radiation oncology physician records in Maryland

Christopher Bryce Johnson, M.D., PH.D. is one of 124 radiation oncology physician records with a practice address in Maryland. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.

  • NPI issued2016 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2016 · median 2006 among the 89 with a school on file
  • Record last updated2021 · 65% 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 Maryland 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 Maryland

There are 124 radiation oncology physician records in Maryland.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Sara Alcorn, M.D.Baltimore, MD 212241871813204
  2. Russell Hales, M.D.Baltimore, MD 212241033255138
  3. Talya Laufer, MDBaltimore, MD 212241639708217
  4. Sylwester Dziuba, MDBaltimore, MD 212291841291978
  5. Richard Hudes, MDBaltimore, MD 212291891796926
  6. Ana Kiess, M.D., PH.D.Baltimore, MD 212311770744716
  7. Jeffrey Meyer, M.D.Baltimore, MD 212311598938516
  8. Amol NarangBaltimore, MD 212311871884916

Common questions

What is Christopher Bryce Johnson, M.D., PH.D.'s NPI number?

Christopher Bryce Johnson, M.D., PH.D.'s National Provider Identifier (NPI) is 1619330289, issued on Mar 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Bryce Johnson, M.D., PH.D. located?

The NPPES record lists a practice address at 3001 S Hanover St, Baltimore, MD, 21225. Phone: (410) 350-3565. Providers update this record themselves, so call before visiting.

How can I verify Christopher Bryce Johnson, M.D., PH.D.'s license?

Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Bryce Johnson, M.D., PH.D. prescribe under Medicare Part D?

In 2024, Christopher Bryce Johnson, M.D., PH.D. had 182 Medicare Part D claims for 70 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Christopher Bryce Johnson, M.D., PH.D.'s MIPS final score?

The 2023 MIPS final score is 78.4 of 100, reported for the practice group. 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.