Keith D. Sonntag, D.D.S., M.S.
Endodontics · Salt Lake City, UT
Keith D. Sonntag, D.D.S., M.S. is an endodontics with a practice address in Salt Lake City, Utah, and NPI 1881731487, issued on Jan 31, 2007. Check the license (Utah 952942359922, as entered in NPPES) with the Utah board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keith D. Sonntag
- Credential
- D.D.S., M.S.
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 952942359922 UT
Self-reported in NPPES; status is on the state search - Practice location
- 2180 E 4500 S, Salt Lake City, UT 84117
- Phone
- (801) 274-6900
- Enumerated
- Jan 31, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (801) 274-6903
- Entity
- Type 1 · individual
8 nearest endodontics records → All 59 in Utah → Look up another NPI →
Also registered at 2180 E 4500 S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Briesacher, MDPediatrics Physician1154333029
- Jennifer Linford, MDPediatrics Physician1316950967
- Michelle Murphy, LCSWCounselor1720212517
- J. Smith, DMDGeneral Practice Dentistry1043446297
- Jed Vandenberghe, MDPediatrics Physician1922011576
- Mark Witt, MDPediatrics Physician1881707875
Verify Keith D. Sonntag in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Utah board licenses this profession
Search for license 952942359922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average endodontics in 2024
127 Medicare Part D claims for 93 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin91 claims
- Clindamycin Hcl13 claims
- Azithromycin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Keith D. Sonntag among 59 endodontics records in Utah
Keith D. Sonntag, D.D.S., M.S. is one of 59 endodontics records with a practice address in Utah. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 29% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2007 · 86% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Utah
There are 59 endodontics records in Utah.
All 59 in Utah → Every provider in Salt Lake City → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Brian Groneman, D.D.S.Salt Lake City, UT 841171649333949
- Jeffrey Kochevar, DDS MSDSalt Lake City, UT 841171629226774
- R. Nielsen, D.M.DSalt Lake City, UT 841171619030095
- Matthew Parkin, D.D.S.Salt Lake City, UT 841171760545156
- Tyler BraySalt Lake City, UT 841211417447434
- John Coats, DDSSalt Lake City, UT 841211689733677
- Randall Madsen, DDSSalt Lake City, UT 841211447310925
- Christopher Sadler, D.D.S., M.S.Salt Lake City, UT 841211073777611
Common questions
What is Keith D. Sonntag, D.D.S., M.S.'s NPI number?
Keith D. Sonntag, D.D.S., M.S.'s National Provider Identifier (NPI) is 1881731487, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Keith D. Sonntag, D.D.S., M.S. located?
The NPPES record lists a practice address at 2180 E 4500 S, Salt Lake City, UT, 84117. Phone: (801) 274-6900. Providers update this record themselves, so call before visiting.
How can I verify Keith D. Sonntag, D.D.S., M.S.'s license?
NPPES lists Utah license number 952942359922, as entered by the provider. Search the Utah board that licenses this profession; the NPPES record confirms identity only.
How much does Keith D. Sonntag, D.D.S., M.S. prescribe under Medicare Part D?
In 2024, Keith D. Sonntag, D.D.S., M.S. had 127 Medicare Part D claims for 93 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.