Mark H. Keep, MD
Addiction Medicine (Internal Medicine) Physician · Phoenix, AZ
Mark H. Keep, MD is an addiction medicine (internal medicine) physician with a practice address in Phoenix, Arizona, and NPI 1609859297, issued on Nov 28, 2005. Check the license (Arizona 65316, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark H. Keep
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Internal Medicine) Physician 207RA0401X
- License numbers
- 65316 AZ
181682-1205 UT
1816821205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 3320 N 3RD Ave, Phoenix, AZ 85013
- Phone
- (480) 588-3165
- Enumerated
- Nov 28, 2005
- Record last updated
- Sep 13, 2022
- Fax
- (480) 588-3169
- Entity
- Type 1 · individual
Also registered at 3320 N 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent Goux, M.D.Family Medicine Physician1598703217
- Roderick John Sanchez, N.P.Psychiatric/Mental Health Nurse Practitioner1891947818
Verify Mark H. Keep in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 65316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Addiction Medicine (Internal Medicine) Physician providers in Arizona
There are 10 addiction medicine (internal medicine) physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other addiction medicine (internal medicine) physician records in Arizona
- Miranda AndersonCottonwood, AZ1144849993
- Charles Brooker, D.O.Peoria, AZ1881823250
- Jay Caldwell, M.D.Tucson, AZ1346519071
- Robert Halligan, MDPhoenix, AZ1962516500
- Gerald Harris, DOPeoria, AZ1689676165
- J Jackson, D.O.Mesa, AZ1942262399
- Michael Loes, M.D.Phoenix, AZ1033247630
- Herman Singh, M.D.Phoenix, AZ1972038024
- Reyes Topete, MDPhoenix, AZ1487611158
Common questions
What is Mark H. Keep, MD's NPI number?
Mark H. Keep, MD's National Provider Identifier (NPI) is 1609859297, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark H. Keep, MD located?
The NPPES record lists a practice address at 3320 N 3RD Ave, Phoenix, AZ, 85013. Phone: (480) 588-3165. Providers update this record themselves, so call before visiting.
How can I verify Mark H. Keep, MD's license?
NPPES lists Arizona license number 65316, 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.