Charles Woo, MD
Radiation Oncology Physician · Chandler, AZ
Charles Woo, MD is a radiation oncology physician with a practice address in Chandler, Arizona, and NPI 1811961543, issued on Feb 17, 2006. Check the license (Arizona 21992, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles Woo
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 21992 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 695 S Dobson RD, Chandler, AZ 85224
- Phone
- (480) 821-2838
- Enumerated
- Feb 17, 2006
- Record last updated
- Nov 15, 2022
- Fax
- (480) 821-9444
- Medicaid ID
- 394396 AZ
- Medicare enrollment
- Enrolled (PECOS I20050601000432); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1992
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 156 in Arizona → Look up another NPI →
Also registered at 695 S Dobson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Bernt, FNPFamily Nurse Practitioner1336641463
- Alexis Bethel, NPNurse Practitioner1245175553
- Puneet Bhalla, M.D.Medical Oncology Physician1336115542
- Ian Deroock, M.D.Hematology & Oncology Physician1114900479
- Azam Farooqui, M.D.Hematology & Oncology Physician1265846513
- Brenda Gridley, R.D.Registered Dietitian1003931064
Verify Charles Woo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 21992Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average radiation oncology physician in 2024
227 Medicare Part D claims for 94 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 37 claims were for opioids.
Most prescribed
- Tamsulosin Hcl64 claims
- Pentoxifylline27 claims
- Lidocaine Hcl Viscous26 claims
- Hydrocodone-Acetaminophen20 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.
Industry payments in 2024: $1,381.19
65 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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.
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
- Ironwood Physicians PCMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Woo among 156 radiation oncology physician records in Arizona
Charles Woo, MD is one of 156 radiation oncology physician records with a practice address in Arizona. 84% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1992 · median 2003 among the 115 with a school on file
- Record last updated2022 · 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 Arizona 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 Arizona
There are 156 radiation oncology physician records in Arizona.
All 156 in Arizona → Every provider in Chandler → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Eric Gross, MDChandler, AZ 852241336135516
- Alice Tsai, MDChandler, AZ 852241124215926
- Inna Ogandzhanova, M.D.Casa Grande, AZ 852221588657498
- Yerko Borghero, MDGilbert, AZ 852341063593119
- Matthew Callister, M.D.Gilbert, AZ 852341124000948
- Emily Grade, MDGilbert, AZ 852341437124922
- Dalia Larios ChavezGilbert, AZ 852341306307459
- Anna Likhacheva, MDGilbert, AZ 852341689950297
Common questions
What is Charles Woo, MD's NPI number?
Charles Woo, MD's National Provider Identifier (NPI) is 1811961543, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Woo, MD located?
The NPPES record lists a practice address at 695 S Dobson RD, Chandler, AZ, 85224. Phone: (480) 821-2838. Providers update this record themselves, so call before visiting.
How can I verify Charles Woo, MD's license?
NPPES lists Arizona license number 21992, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles Woo, MD prescribe under Medicare Part D?
In 2024, Charles Woo, MD had 227 Medicare Part D claims for 94 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.