John L. Duffy
Social Worker · Sacaton, AZ
John L. Duffy is a social worker with a practice address in Sacaton, Arizona, and NPI 1588130918, issued on Oct 24, 2018. Check the license with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John L. Duffy
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 483 W Seed Farm Road, Sacaton, AZ 85147
- Phone
- (602) 528-7100
- Enumerated
- Oct 24, 2018
- Record last updated
- Oct 24, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 483 W Seed Farm Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Juli Haws, RDRegistered Dietitian1316264856
- Marius Nistor, M.D.Internal Medicine Physician1932288495
- Kevin Pollins, LISACAddiction (Substance Use Disorder) Counselor1679751218
- Scott Stover, PT, DPTPhysical Therapist1124508668
- Ami Tamakuwala, LMSWSocial Worker1699278515
Verify John L. Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30 social worker records list a practice address in Sacaton
They are 30 of the 321 NPPES records with a practice address in Sacaton, and 1,553 social worker records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 30 in Sacaton → All 1,553 in Arizona → Every provider in Sacaton →
Other social worker records in Arizona
- Jamie Abbitt, LCSWMesa, AZ1770063620
- Melissa Abbitt, LMSWTempe, AZ1700331766
- Taana Abbitt, LMSWTucson, AZ1730343021
- Tammy Abbott-Thiel, LMSWPhoenix, AZ1225389091
- Ibrahim AbdelbasirPhoenix, AZ1932363538
- Christia AbellTucson, AZ1396130753
- Christie Abrams, MSWPhoenix, AZ1164554580
- Nicole Abrams, LMSWTucson, AZ1174917025
- Larissa AcostaPhoenix, AZ1962397398
- Elizabeth Acree, LMSWTucson, AZ1215651336
Common questions
What is John L. Duffy's NPI number?
John L. Duffy's National Provider Identifier (NPI) is 1588130918, issued on Oct 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John L. Duffy located?
The NPPES record lists a practice address at 483 W Seed Farm Road, Sacaton, AZ, 85147. Phone: (602) 528-7100. Providers update this record themselves, so call before visiting.
How can I verify John L. Duffy's license?
Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
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.