CHRISTOPHER BRYCE JOHNSON M.D., PH.D.
NPI 1619330289
Radiology - Radiation Oncology in Baltimore, MD

Q: What is Christopher Johnson's NPI number?

The NPI number for Christopher Johnson is 1619330289. It was assigned to this individual provider in the NPPES registry on March 31, 2016.

Q: What is Christopher Johnson's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since March 31, 2016PECOS EnrolledAccepts Medicare Assignment

78.38/100

CMS Quality Rating

3001 S HANOVER ST, BALTIMORE, MD 21225(410) 350-3565 Get Directions Write a Review

NPPES record last updated: June 24, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 24, 2021, Mar 31, 2016 (2 updates tracked since 2016).

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About Christopher Bryce Johnson M.d., Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER BRYCE JOHNSON M.D., PH.D. (NPI 1619330289) is an individual radiation oncology provider in Baltimore, Maryland, licensed in Virginia (1013962836) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of University Of South Carolina School Of Medicine (2016).

NPPES Registry Identity

NPI1619330289

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameCHRISTOPHER BRYCE JOHNSONCredential: M.D., PH.D.

Location Address3001 S HANOVER STBaltimore, MD 21225-1233

Mailing Address8081 Innovation Park DrFairfax, VA 22031-4867 · (571) 472-0606

Phone(410) 350-3565

Sole ProprietorYes

Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 2016

Enumeration DateMarch 31, 2016

Last NPPES UpdateJune 24, 20212 updates tracked since enumeration

NPPES CertifiedJune 24, 2021

✔ NPI 1619330289 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in VA · 1013962836

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3001 S HANOVER ST, Baltimore, MD 21225

Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christopher Bryce Johnson M.d., Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133529514

PECOS Enrollment IDI20210608000536, I20210618000083

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Christopher Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Radiation Oncology Associates, PC

42 mi

Radiation Oncology

8081 INNOVATION PARK DR
Fairfax, VA 22031

Reassigned Medicare billing, District of Columbia and Virginia enrollments
26 clinicians in this Medicare group

NPI 1013962836 (571) 472-0606

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

1,142 services318 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

658 services147 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

406 services130 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

286 services99 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

140 services125 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

126 services100 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

120 services106 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

117 services117 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

65 services59 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

63 services58 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

63 services36 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

55 services46 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

53 services45 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

50 services46 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

38 services31 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

35 services34 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

34 services31 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

32 services31 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Alexandria Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490040

Location4320 Seminary RdAlexandria, VA 22304 · Alexandria City County

Emergency services Birthing friendly

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490063

Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County

Emergency services Birthing friendly

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490101

Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County

Birthing friendly

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490122

Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County

Emergency services

Uva Health Haymarket Medical Center

Acute Care Hospitals · Haymarket, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490144

Location15225 Healthcote BoulevardHaymarket, VA 20169 · Prince William County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$183.44 typical visit price

range $60.73 – $183.44

Typical copayment $45.86 (range $15.18 – $45.86)

Most-billed visit code 99205

Established Patient

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

78.38/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

72.85

Promoting Interoperability

100

Improvement Activities

Cost

55.1

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BARUN ARYAL M.D.

Radiology (Diagnostic Radiology)

3001 S HANOVER ST, DEPT OF INTERNAL MEDICINE
BALTIMORE, MD 21225

Baltimore City (410) 350-3565

DR. MAHESWORA BAIDYA M.D.

Internal Medicine (Cardiovascular Disease)

3001 S HANOVER ST
BALTIMORE, MD 21225

Baltimore City (410) 350-3200

DR. JAMES BRUCE STRAIT III MD, PH.D.

Internal Medicine (Cardiovascular Disease)

3001 S HANOVER ST, NATIONAL INSTITUTE ON AGING, 5TH FLOOR OF HARBOR HOSP.
BALTIMORE, MD 21225

Baltimore City (202) 821-7271

HARBOR EYES OPTICAL INC

Durable Medical Equipment & Medical Supplies (Customized Equipment)

3001 S HANOVER ST, GRUEHN BUILDING SUITE 100
BALTIMORE, MD 21225

Baltimore City (410) 354-6401

ROLANDO B. ALEGADO MD PA

Specialist

3001 S HANOVER ST
BALTIMORE, MD 21225

Baltimore City (410) 354-2233

FATEH HRAKY SR.

Obstetrics & Gynecology

3001 S HANOVER ST, SUITE 301
BALTIMORE, MD 21225

Baltimore City (410) 350-0800

DR. MICHAEL ADAM SILVERMAN MD

Emergency Medicine

3001 S HANOVER ST
BALTIMORE, MD 21225

Baltimore City (410) 350-3575

JOHN J CARBONE M.D.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

3001 S HANOVER ST, GRUEHN BLDG, STE 502
BALTIMORE, MD 21225

Baltimore City (410) 350-8300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Johnson's NPI number?

The NPI number for Christopher Johnson is 1619330289. It was assigned to this individual provider in the NPPES registry on March 31, 2016.

Where is Christopher Johnson located?

Christopher Johnson practices at 3001 S Hanover St, Baltimore, MD 21225. The listed phone number is (410) 350-3565.

What is Christopher Johnson's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Christopher Johnson enrolled in Medicare?

Yes. Christopher Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Christopher Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Johnson reassigns Medicare benefits to Radiation Oncology Associates, PC (Fairfax, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christopher Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Christopher Johnson affiliated with any hospitals?

According to CMS data, Christopher Johnson is affiliated with Inova Alexandria Hospital, Inova Fairfax Hospital, Inova Fair Oaks Hospital, Inova Mount Vernon Hospital and Uva Health Haymarket Medical Center.

When was this NPI record last updated?

The NPPES record for Christopher Johnson was last updated on June 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.