Masayo Watanabe, M.D.
Pediatric Hematology & Oncology Physician · Phoenix, AZ
Masayo Watanabe, M.D. is a pediatric hematology & oncology physician with a practice address in Phoenix, Arizona, and NPI 1699734434, issued on Mar 21, 2006. Check the license (Arizona 34199, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Masayo Watanabe
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 34199 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1919 E Thomas RD, Phoenix, AZ 85016
- Phone
- (602) 933-0920
- Enumerated
- Mar 21, 2006
- Record last updated
- Mar 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (602) 933-2492
- Medicaid ID
- 952706 AZ
- Entity
- Type 1 · individual
Also registered at 1919 E Thomas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Asmaa Aamir, M.D.Diagnostic Radiology Physician1912163791
- Madeline Aaron, APRN-RNPPediatric Nurse Practitioner1851134837
- Brandon Abbott, D.O., M.P.H.Hospitalist Physician1528350139
- Jason AbbottStudent in an Organized Health Care Education/Training Program1184257958
- Monica Abd El Nour, MDPediatric Infectious Diseases Physician1760044101
- Lindsay Abel, DOStudent in an Organized Health Care Education/Training Program1750222055
Verify Masayo Watanabe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 34199Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Pediatric Hematology & Oncology Physician providers in Arizona
There are 55 pediatric hematology & oncology physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other pediatric hematology & oncology physician records in Arizona
- Esteban Abella, MDMesa, AZ1982697306
- Pablo Angulo, D.O.Phoenix, AZ1902122120
- Natasha Bala, M.D.Phoenix, AZ1093247678
- Paul Baranko, MDPhoenix, AZ1568435014
- Jessica Boklan, M.D.Phoenix, AZ1508829938
- Natalie Booth, D.O.Phoenix, AZ1205298635
- Breanna Breeding, MDTucson, AZ1629425194
- Celeste Cleveland, MDPhoenix, AZ1346737418
- Monica Davini, M.D.Tucson, AZ1952643348
- Francis Eshun, MDPhoenix, AZ1568548543
Common questions
What is Masayo Watanabe, M.D.'s NPI number?
Masayo Watanabe, M.D.'s National Provider Identifier (NPI) is 1699734434, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Masayo Watanabe, M.D. located?
The NPPES record lists a practice address at 1919 E Thomas RD, Phoenix, AZ, 85016. Phone: (602) 933-0920. Providers update this record themselves, so call before visiting.
How can I verify Masayo Watanabe, M.D.'s license?
NPPES lists Arizona license number 34199, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.