William T. Holland, M.D.
Internal Medicine Physician · Phoenix, AZ
William T. Holland, M.D. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1114087293, issued on Dec 11, 2006. Check the license (Arizona 10652, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William T. Holland
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 10652 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4616 N 51St Ave, Phoenix, AZ 85031
- Phone
- (623) 846-5407
- Enumerated
- Dec 11, 2006
- Record last updated
- Jun 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (623) 845-0890
- Medicaid ID
- 213637 AZ
- Entity
- Type 1 · individual
Also registered at 4616 N 51St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frances Aragon, LCSWCounselor1649230616
- Lydia Ehlenberger, MDObstetrics & Gynecology Physician1700846631
- Michelle Hargis, P.T.Orthopedic Physical Therapist1467642306
- Sylvia Hayashi, NPObstetrics & Gynecology Nurse Practitioner1306806195
- Cynthia Hinojosa, N.D.Naturopath1083039481
- Shalene Miller, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1275421471
Verify William T. Holland in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 10652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 695 in Phoenix → All 2,853 in Arizona → Every provider in Phoenix →
Other internal medicine physician records in Arizona
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- Constantia Abarikwu, MDPhoenix, AZ1497832620
- Jaber Abawi, MDPayson, AZ1629038542
- Demsas Abay, MDPeoria, AZ1720312390
- Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
- Hassan Abbas, D.O.Mesa, AZ1477294775
- Jalal Abbas, M.D.Sun City West, AZ1205895034
- Tayeb Abbas, MDSun City West, AZ1093406795
- Hamed Abbaszadegan, MDPhoenix, AZ1407083579
- Kristopher Abbate, MDTucson, AZ1184112401
Common questions
What is William T. Holland, M.D.'s NPI number?
William T. Holland, M.D.'s National Provider Identifier (NPI) is 1114087293, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William T. Holland, M.D. located?
The NPPES record lists a practice address at 4616 N 51St Ave, Phoenix, AZ, 85031. Phone: (623) 846-5407. Providers update this record themselves, so call before visiting.
How can I verify William T. Holland, M.D.'s license?
NPPES lists Arizona license number 10652, 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.