Warren R. Stack, MD
Internal Medicine Physician · West Valley City, UT
Warren R. Stack, MD is an internal medicine physician with a practice address in West Valley City, Utah, and NPI 1013088814, issued on Nov 13, 2006. Check the license (Utah 1679021205, as entered in NPPES) on the Utah Medical Licensing Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Warren R. Stack
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1679021205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 3540 S 4000 W, West Valley City, UT 84120
- Phone
- (801) 968-8692
- Enumerated
- Nov 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (801) 968-9632
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 664 in Utah → Look up another NPI →
Also registered at 3540 S 4000 W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Curtis Smith, DMDDentist1346386471
Verify Warren R. Stack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 1679021205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Warren R. Stack among 664 internal medicine physician records in Utah
Warren R. Stack, MD is one of 664 internal medicine physician records with a practice address in Utah. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 60% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in West Valley City
They are 7 of the 773 NPPES records with a practice address in West Valley City, and 664 internal medicine physician records in Utah. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 664 in Utah → Every provider in West Valley City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- J Bane, MDWest Valley City, UT 841201477584837
- Stephen Barlow, MDSalt Lake City, UT 841201235322470
- Keith Harrington, MDSalt Lake City, UT 841201952368789
- Cuper Martinez-Santibanez, MDWest Valley City, UT 841201891238481
- Kathryn Casull, MDWest Valley City, UT 841191831256635
- Roy Gandolfi, MDWest Valley City, UT 841191740211101
- Gloria Gonzales, MDWest Valley City, UT 841191942235916
- Martha Humphrey, M.D.Salt Lake City, UT 841211295065886
Common questions
What is Warren R. Stack, MD's NPI number?
Warren R. Stack, MD's National Provider Identifier (NPI) is 1013088814, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Warren R. Stack, MD located?
The NPPES record lists a practice address at 3540 S 4000 W, West Valley City, UT, 84120. Phone: (801) 968-8692. Providers update this record themselves, so call before visiting.
How can I verify Warren R. Stack, MD's license?
NPPES lists Utah license number 1679021205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. 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.