Dr. Nicholas Robert Rydzewski, MD

  • Washington, DC
  • Radiation oncologist
NPI1568855161
Medicare services, 2022
46
Part D claims, 2020
23
Hospital affiliations
1
State licenses
3
Year NPI issued
2015
Practice address
50 Irving Street N.W., Washington, DC 20422
Practice phone
Call (202) 745-8000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Washington DC VA Medical Center

Hospital · Washington, District of Columbia

See all 1 affiliations

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Dr. Nicholas Robert Rydzewski is a radiation oncologist in Washington, District of Columbia

Dr. Rydzewski practices at Washington DC VA Medical Center in Washington, District of Columbia, part of Veterans Health Administration.

Dr. Rydzewski's NPI, 1568855161, was assigned on March 6, 2015. Dr. Rydzewski graduated from Northwestern University Feinberg Medical School in 2017. Dr. Rydzewski holds Wisconsin license 72314-20.

NPI and contact details
NPI enumeration date
March 6, 2015
NPI status
Active
Practice phone
(202) 745-8000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Nicholas Robert Rydzewski practices at Washington DC VA Medical Center in Washington, District of Columbia

Dr. Rydzewski's primary practice is Washington DC VA Medical Center, at 50 Irving Street N.W., Washington, DC 20422 in The District County. The practice phone is (202) 745-8000.

Source: Dmand AI Affiliation Data

Dr. Nicholas Robert Rydzewski is affiliated with 1 site of care

Dr. Rydzewski's primary practice is Washington DC VA Medical Center in Washington, District of Columbia, part of Veterans Health Administration. Dr. Rydzewski's employer is on file too: a hospital.

See Dr. Rydzewski's affiliation in Dmand AI

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Nicholas Robert Rydzewski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rydzewski practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Washington DC VA Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nicholas Robert Rydzewski is one of 27 radiation oncologists in District of Columbia

Radiation oncology is Dr. Rydzewski's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Rydzewski's licenses on file in 3 states: Wisconsin, Illinois and Michigan.

Specialties and state licenses

  • Radiation oncology, WisconsinPrimaryLicense 72314-20 · taxonomy 2085R0001X
  • Illinois licenseLicense 036153609
  • Student in an organized health care education/training program, MichiganLicense R322630745086 · taxonomy 390200000X

Radiation oncologists near Dr. Rydzewski

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Nicholas Robert Rydzewski billed Medicare for 46 services in 2022

CMS data shows 46 Medicare services from Dr. Rydzewski across 1 procedure code in 2022. Medicare paid $1,391 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202246
Paid by Medicare$1,391
Procedure codes1

Dr. Rydzewski's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Imaging
2021: 492022: 466%

Dr. Rydzewski compared with the District of Columbia median for radiation oncologists, 2022

  • Dr. Rydzewski
  • District of Columbia median
Medicare services
46vs 1,36997% below
Part D claims
23vs 2715% below

Medians across 22 radiation oncologists in District of Columbia with Dmand AI profiles that report each measure.

Dr. Rydzewski's most billed Medicare procedure codes, 2022

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nicholas Robert Rydzewski's patients have a median age of 54

Across all payers, Dmand AI patient panel data puts Dr. Rydzewski's median patient age at 54, with 0% women.

Dr. Rydzewski's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Dr. Nicholas Robert Rydzewski wrote 23 Medicare Part D claims in 2020

In 2020, Dr. Rydzewski wrote 23 Medicare Part D claims. They cover 2 drugs, with $59 in total drug cost.

Part D claims, 202023
Drugs named by CMS2
Total drug cost$59

Dr. Rydzewski's most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Rydzewski

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Nicholas Robert Rydzewski graduated from Northwestern University Feinberg Medical School

Dr. Rydzewski graduated from Northwestern University Feinberg Medical School in 2017.

  1. Medical schoolNorthwestern University Feinberg Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Nicholas Robert Rydzewski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nicholas Robert Rydzewski

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Nicholas Robert Rydzewski's NPI number?

Dr. Nicholas Robert Rydzewski's NPI number is 1568855161. It was assigned on March 6, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Nicholas Robert Rydzewski?

Dr. Nicholas Robert Rydzewski is a radiation oncologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Nicholas Robert Rydzewski practice?

Dr. Rydzewski practices at 50 Irving Street N.W., Washington, DC 20422. Dr. Rydzewski's primary practice is Washington DC VA Medical Center in Washington, District of Columbia, part of Veterans Health Administration.

What is Dr. Nicholas Robert Rydzewski's office phone number?

The practice phone on file for Dr. Rydzewski is (202) 745-8000.

What is Dr. Nicholas Robert Rydzewski's medical license number?

Dr. Rydzewski holds Wisconsin license 72314-20, one of the licenses on file in 3 states.

Which states has Dr. Nicholas Robert Rydzewski been licensed in?

Dmand AI has state licenses on file for Dr. Rydzewski in Wisconsin, Illinois and Michigan.

Which hospitals is Dr. Nicholas Robert Rydzewski affiliated with?

Dr. Rydzewski practices at Washington DC VA Medical Center in Washington, District of Columbia.

Does Dr. Nicholas Robert Rydzewski accept Medicare?

Yes. CMS data shows Dr. Rydzewski billed Medicare for 46 services in 2022.

What services does Dr. Nicholas Robert Rydzewski bill to Medicare?

In 2022, Dr. Rydzewski's most billed Medicare services were radiation oncology (77014).

Where did Dr. Nicholas Robert Rydzewski go to medical school?

Dr. Rydzewski graduated from Northwestern University Feinberg Medical School in 2017.

What drugs does Dr. Nicholas Robert Rydzewski prescribe most?

In 2020 Medicare Part D data, Dr. Rydzewski's most prescribed drugs by claims were Lorazepam and Hydrocodone-Acetaminophen.

How long has Dr. Nicholas Robert Rydzewski been practicing?

Dr. Rydzewski graduated from medical school in 2017, 9 years ago.

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