NPPES file of Aug 9, 2026

Mary Haywood, DO

Pediatric Emergency Medicine (Pediatrics) Physician · Phoenix, AZ

Mary Haywood, DO is a pediatric emergency medicine (pediatrics) physician with a practice address in Phoenix, Arizona, and NPI 1184121501, issued on Apr 11, 2018. Check the license (Arizona 011212, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184121501
Name
Mary Haywood
Credential
DO
Primary taxonomy
Pediatric Emergency Medicine (Pediatrics) Physician 2080P0204X
License numbers
011212 AZ
2021013817 MO
Self-reported in NPPES; status is on the state search
Practice location
1919 E Thomas RD, Phoenix, AZ 85016
Phone
(602) 933-1000
Enumerated
Apr 11, 2018
Record last updated
Sep 3, 2024
Medicare enrollment
Enrolled (PECOS I20240912004444); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest pediatric emergency medicine (pediatrics) physician records → All 59 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.

  1. Asmaa Aamir, M.D.Diagnostic Radiology Physician1912163791
  2. Madeline Aaron, APRN-RNPPediatric Nurse Practitioner1851134837
  3. Brandon Abbott, D.O., M.P.H.Hospitalist Physician1528350139
  4. Jason AbbottStudent in an Organized Health Care Education/Training Program1184257958
  5. Monica Abd El Nour, MDPediatric Infectious Diseases Physician1760044101
  6. Lindsay Abel, DOStudent in an Organized Health Care Education/Training Program1750222055

Verify Mary Haywood in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 011212    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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One hospital affiliation

  1. 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).

Mary Haywood among 59 pediatric emergency medicine (pediatrics) physician records in Arizona

Mary Haywood, DO is one of 59 pediatric emergency medicine (pediatrics) physician records with a practice address in Arizona. 53% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 88% of them.

  • NPI issued2018 · 88% of these records are older, 7% newer
  • In a Medicare fileYes · 53% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2018 · median 2014 among the 26 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0204X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Emergency Medicine (Pediatrics) Physician providers in Arizona

There are 59 pediatric emergency medicine (pediatrics) physician records in Arizona.

All 59 in Arizona → Every provider in Phoenix → Pediatric Emergency Medicine (Pediatrics) Physician nationwide →

The 8 pediatric emergency medicine (pediatrics) physician records with the nearest ZIP codes

  1. Robert Bulloch, M.D.Phoenix, AZ 850161568424463
  2. Tiffany Johnson, M.D.Phoenix, AZ 850161801858485
  3. Thomas McConahay, MDPhoenix, AZ 850161093776585
  4. Theresa Mills-Murdock, MDPhoenix, AZ 850161457312902
  5. Anthony Pickett, M.D.Phoenix, AZ 850161538120886
  6. Tamara Pottker, M.D.Phoenix, AZ 850161417932476
  7. Jeffrey Proudfoot, D.O.Phoenix, AZ 850161043271463
  8. Chris Ramsook, M.D.Phoenix, AZ 850161770544173

Common questions

What is Mary Haywood, DO's NPI number?

Mary Haywood, DO's National Provider Identifier (NPI) is 1184121501, issued on Apr 11, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mary Haywood, DO located?

The NPPES record lists a practice address at 1919 E Thomas RD, Phoenix, AZ, 85016. Phone: (602) 933-1000. Providers update this record themselves, so call before visiting.

How can I verify Mary Haywood, DO's license?

NPPES lists Arizona license number 011212, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.