DR. WALTER NEIL SIMMONS (M.D., MPH) – Emergency Medicine Physician, NPI 1023087293

Excluded from federal healthcare programs (Medicare/Medicaid)

This provider is listed on the OIG List of Excluded Individuals/Entities (LEIE). Exclusion effective: 2022-03-20. Reason: Misdemeanor conviction relating to health care fraud (baseline 3 years).

Emergency Medicine Physician

DR. WALTER NEIL SIMMONS (M.D., MPH) is a healthcare provider. based in Avondale, Arizona. specializing in Emergency Medicine Physician. They hold the professional credentials M.D., MPH. They hold a License No. 210645 (MA). The NPI Number for DR. WALTER NEIL SIMMONS (M.D., MPH) is 1023087293

Main info

Male

Sole Proprietor

29 Years Of Experience

Accepts Medicare Assignment

Name

DR. WALTER NEIL SIMMONS (M.D., MPH)

NPI

1023087293

Phone

(480) 398-5555

Address

10320 W MCDOWELL RD

Enumeration Date

17 March 2006

Last Update Date

9 February 2015

Doctor Profile

Medical School Name

WARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY

Secondary Phone

5052263627

Graduation Year

1997 (29 years ago)

PAC ID

0446164834

Group Practice PAC ID

4082526660

Professional Enrollment ID

I20031119000177

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience63

Completeness75

Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for DR. WALTER NEIL SIMMONS (M.D., MPH)

10320, West McDowell Road, Avondale, Maricopa County, Arizona, 85392, United States
SUITE N1444
AVONDALE, AZ 853924863
Phone: (480) 398-5555
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 85392)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 4082526660View full group profile

Name	Specialty	State
EDNA R ZAPATA (CNP)	Nurse Practitioner	NM
OLADOTUN OLUSHOLA AKINMURELE (MD)	Family Practice	TX
MRS. SHANNA LEE CAMPBELL (NP)	Nurse Practitioner	NM
CRISTY JANESE WALSH (CNM)	Certified Nurse Midwife (Cnm)	NM
LINDSAY YOUNG (FNP-C)	-	NM
EVA F TOELLE (CNP)	-	NM
BRANDI DEON NORTH	Nurse Practitioner	NM
KRISHNA K LINGALA (MD)	Physical Medicine And Rehabilitation	NM
DR. AHMAD H OTHMAN (M.D.)	General Surgery	NM
BEVERLY ANNE SHIELDS (NP)	Nurse Practitioner	NM

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Frequently asked questions

Does DR. WALTER NEIL SIMMONS (M.D., MPH) share an NPI with anyone else?

NPI numbers are unique to each provider or organization — DR. WALTER NEIL SIMMONS (M.D., MPH) uses 1023087293.

Does the file indicate DR. WALTER NEIL SIMMONS (M.D., MPH) is practicing under active NPI?

Directory data currently reports DR. WALTER NEIL SIMMONS (M.D., MPH) as active.

What taxonomy line describes DR. WALTER NEIL SIMMONS (M.D., MPH)?

For research purposes, treat DR. WALTER NEIL SIMMONS (M.D., MPH) as Emergency Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.

What address line appears for DR. WALTER NEIL SIMMONS (M.D., MPH)?

DR. WALTER NEIL SIMMONS (M.D., MPH)'s geographic hint is Avondale, Arizona in our summary view.

Is the information about DR. WALTER NEIL SIMMONS (M.D., MPH) up to date?

Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."