Januario E. Castro
Hematology & Oncology Physician · Scottsdale, AZ
Januario E. Castro is a hematology & oncology physician with a practice address in Scottsdale, Arizona, and NPI 1871642538, issued on Jan 10, 2007. Check the license (Arizona 55526, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Januario E. Castro
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 55526 AZ
A72129 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13400 E Shea Blvd, Scottsdale, AZ 85259
- Phone
- (480) 301-8000
- Enumerated
- Jan 10, 2007
- Record last updated
- Feb 25, 2026
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 285 in Arizona → Look up another NPI →
Also registered at 13400 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ali Abdulsahib, MDInfectious Disease Physician1417535030
Verify Januario E. Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 55526Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
667 Medicare Part D claims for 126 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Acyclovir95 claims
- Calquence60 claims
- Allopurinol58 claims
- Venclexta55 claims
- Sulfamethoxazole-Trimethoprim44 claims
- Brukinsa31 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): 78.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Januario E. Castro among 285 hematology & oncology physician records in Arizona
Januario E. Castro is one of 285 hematology & oncology physician records with a practice address in Arizona. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 48% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 80% of these records are
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Arizona
There are 285 hematology & oncology physician records in Arizona.
All 285 in Arizona → Every provider in Scottsdale → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Roberta Adams, M.D.Scottsdale, AZ 852591932182771
- Karen Anderson, MD PHDScottsdale, AZ 852591396712089
- Tanios Bekaii-Saab, M.D.Scottsdale, AZ 852591598770331
- Peter Bergsagel, M.D.Scottsdale, AZ 852591316920150
- Mitesh Borad, MDScottsdale, AZ 852591801850573
- Alan Bryce, M.D.Scottsdale, AZ 852591548246655
- John Camoriano, M.D.Scottsdale, AZ 852591396723425
- Thai Ho, M.D./PH.D.Scottsdale, AZ 852591326054115
Common questions
What is Januario E. Castro's NPI number?
Januario E. Castro's National Provider Identifier (NPI) is 1871642538, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Januario E. Castro located?
The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Januario E. Castro's license?
NPPES lists Arizona license number 55526, 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 Januario E. Castro prescribe under Medicare Part D?
In 2024, Januario E. Castro had 667 Medicare Part D claims for 126 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Januario E. Castro's MIPS final score?
The 2023 MIPS final score is 78.6 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.