Frederick Anthony Willyerd, MD
Pediatric Critical Care Medicine Physician · Phoenix, AZ
Frederick Anthony Willyerd, MD is a pediatric critical care medicine physician with a practice address in Phoenix, Arizona, and NPI 1255661468, issued on Jan 11, 2010. Check the license (Arizona 48044, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Frederick Anthony Willyerd
- Credential
- MD
- Primary taxonomy
- Pediatric Critical Care Medicine Physician 2080P0203X
- License number
- 48044 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1919 E Thomas RD, Phoenix, AZ 85016
- Phone
- (602) 933-1784
- Enumerated
- Jan 11, 2010
- Record last updated
- Aug 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (602) 933-1785
- Medicaid ID
- 830523 AZ
- Medicare enrollment
- Enrolled (PECOS I20130905000920); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest pediatric critical care medicine physician records → All 86 in Arizona → Look up another NPI →
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 Frederick Anthony Willyerd in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 48044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $140.00
1 payment: food and beverage; the largest payer was Teleflex LLC. The 414 providers of this specialty with any payment received $1,291.66 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.
One hospital affiliation
- Phoenix Children's HospitalPhoenix, AZ · Childrens
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Frederick Anthony Willyerd among 86 pediatric critical care medicine physician records in Arizona
Frederick Anthony Willyerd, MD is one of 86 pediatric critical care medicine physician records with a practice address in Arizona. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 35% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated2007 · median 2008 among the 31 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0203X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Critical Care Medicine Physician providers in Arizona
There are 86 pediatric critical care medicine physician records in Arizona.
All 86 in Arizona → Every provider in Phoenix → Pediatric Critical Care Medicine Physician nationwide →
The 8 pediatric critical care medicine physician records with the nearest ZIP codes
- Paul Bakerman, MDPhoenix, AZ 850161508838343
- David Beyda, MDPhoenix, AZ 850161649243106
- Tracy Butler, M.D.Phoenix, AZ 850161578556510
- Sandra Buttram, MDPhoenix, AZ 850161427067792
- Teik-Ee Cheah, MDPhoenix, AZ 850161851363691
- Robert Graham, MDPhoenix, AZ 850161265405724
- Joshua Koch, M.D.Phoenix, AZ 850161265539969
- Sharad Menon, MDPhoenix, AZ 850161215982889
Common questions
What is Frederick Anthony Willyerd, MD's NPI number?
Frederick Anthony Willyerd, MD's National Provider Identifier (NPI) is 1255661468, issued on Jan 11, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Anthony Willyerd, MD located?
The NPPES record lists a practice address at 1919 E Thomas RD, Phoenix, AZ, 85016. Phone: (602) 933-1784. Providers update this record themselves, so call before visiting.
How can I verify Frederick Anthony Willyerd, MD's license?
NPPES lists Arizona license number 48044, 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. 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.