NPPES file of Aug 9, 2026

John B. Sullivan, MD

Medical Toxicology (Emergency Medicine) Physician · Tucson, AZ

John B. Sullivan, MD is a medical toxicology (emergency medicine) physician with a practice address in Tucson, Arizona, and NPI 1265504252, issued on Nov 14, 2006. Check the license (Arizona 14960, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1265504252
Name
John B. Sullivan
Credential
MD
Primary taxonomy
Medical Toxicology (Emergency Medicine) Physician 207PT0002X
License number
14960 AZ
Self-reported in NPPES; status is on the state search
Practice location
1501 N Campbell Ave, Tucson, AZ 85724
Phone
(520) 694-8888
Enumerated
Nov 14, 2006
Record last updated
Dec 28, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(520) 694-2565
Medicaid ID
282385 AZ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1501 N Campbell Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexa Aaronson, MDPediatrics Physician1427793652
  2. Mohammed Abbas, MDOrthopaedic Surgery Physician1003437872
  3. Josephine Acuna, M.DEmergency Medicine Physician1710325287
  4. Rodney Adam, MDInfectious Disease Physician1548249485
  5. Matthew Adams, D.O.Infectious Disease Physician1578941720
  6. Elana Addis, M.DObstetrics & Gynecology Physician1730150582

Verify John B. Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 14960
    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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Medical Toxicology (Emergency Medicine) Physician providers in Arizona

There are 5 medical toxicology (emergency medicine) physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 4 medical toxicology (emergency medicine) physician records with the nearest ZIP codes

  1. Adiel Aizenberg, MDTucson, AZ 857241790340784
  2. Dany Quan, D.O.Phoenix, AZ 850281710954847
  3. Daniel Brooks, MDPhoenix, AZ 850061326010331
  4. Gregory Makar, DOPhoenix, AZ 850061881042091

Common questions

What is John B. Sullivan, MD's NPI number?

John B. Sullivan, MD's National Provider Identifier (NPI) is 1265504252, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John B. Sullivan, MD located?

The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 694-8888. Providers update this record themselves, so call before visiting.

How can I verify John B. Sullivan, MD's license?

NPPES lists Arizona license number 14960, 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.