Mark Robert Alexander, D.M.D.
General Practice Dentistry · Twin Falls, ID
Mark Robert Alexander, D.M.D. is a general practice dentistry with a practice address in Twin Falls, Idaho, and NPI 1548303266, issued on Feb 14, 2007. Check the license (Idaho D-3026, as entered in NPPES) with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Robert Alexander
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- D-3026 ID
Self-reported in NPPES; status is on the state search - Practice location
- 506 Hansen St E, Twin Falls, ID 83301
- Phone
- (208) 733-7566
- Enumerated
- Feb 14, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (208) 734-4267
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 754 in Idaho → Look up another NPI →
Also registered at 506 Hansen St E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Alexander, D.M.D.General Practice Dentistry1255474961
Verify Mark Robert Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Idaho board licenses this profession
Search for license D-3026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average general practice dentistry in 2024
181 Medicare Part D claims for 111 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin130 claims
- Penicillin V Potassium20 claims
- Clindamycin Hcl12 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.
Mark Robert Alexander among 754 general practice dentistry records in Idaho
Mark Robert Alexander, D.M.D. is one of 754 general practice dentistry records with a practice address in Idaho. 70% 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 39% of them.
- NPI issued2007 · 39% of these records are older, 44% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 general practice dentistry records list a practice address in Twin Falls
They are 35 of the 1,660 NPPES records with a practice address in Twin Falls, and 754 general practice dentistry records in Idaho.
All 754 in Idaho → Every provider in Twin Falls → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Robert Adams, DDSTwin Falls, ID 833011457363814
- Chad Dodds, D.D.S.Twin Falls, ID 833011932289733
- Kevin Hall, D.D.S.Twin Falls, ID 833011144323007
- Adam Hodges, DDSTwin Falls, ID 833011629035258
- Paige HumphreysTwin Falls, ID 833011790896645
- Mark Lambert, DMDTwin Falls, ID 833011902918402
- Brett Lund, DDSTwin Falls, ID 833011033291687
- J. Lyman, D.D.S.Twin Falls, ID 833011750392189
Common questions
What is Mark Robert Alexander, D.M.D.'s NPI number?
Mark Robert Alexander, D.M.D.'s National Provider Identifier (NPI) is 1548303266, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Robert Alexander, D.M.D. located?
The NPPES record lists a practice address at 506 Hansen St E, Twin Falls, ID, 83301. Phone: (208) 733-7566. Providers update this record themselves, so call before visiting.
How can I verify Mark Robert Alexander, D.M.D.'s license?
NPPES lists Idaho license number D-3026, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Robert Alexander, D.M.D. prescribe under Medicare Part D?
In 2024, Mark Robert Alexander, D.M.D. had 181 Medicare Part D claims for 111 beneficiaries; the average among general practice dentistry prescribers was 83. 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.