Keith Irvin Messersmith, D.D.S,
General Practice Dentistry · Lamar, CO
Keith Irvin Messersmith, D.D.S, is a general practice dentistry with a practice address in Lamar, Colorado, and NPI 1831249143, issued on Jan 11, 2007. Check the license (Colorado 0575, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keith Irvin Messersmith
- Credential
- D.D.S,
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 0575 CO
Self-reported in NPPES; status is on the state search - Practice location
- 701 S. Main St., Lamar, CO 81052
- Phone
- (719) 336-9092
- Enumerated
- Jan 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (719) 336-5556
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,488 in Colorado → Look up another NPI →
Verify Keith Irvin Messersmith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 0575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average general practice dentistry in 2024
50 Medicare Part D claims for 32 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin18 claims
- Amoxicillin15 claims
- Clindamycin Hcl11 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 Irvin Messersmith among 2,488 general practice dentistry records in Colorado
Keith Irvin Messersmith, D.D.S, is one of 2,488 general practice dentistry records with a practice address in Colorado. 59% 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 36% of them.
- NPI issued2007 · 36% of these records are older, 44% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 68% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 general practice dentistry records list a practice address in Lamar
They are 4 of the 149 NPPES records with a practice address in Lamar, and 2,488 general practice dentistry records in Colorado.
All 2,488 in Colorado → Every provider in Lamar → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Sonia Grewal, D.D.SLamar, CO 810521295990638
- Charles Kelley, D.D.S.Lamar, CO 810521861533143
- Jacob Mackey, D.D.S.Lamar, CO 810521467714204
- Ryan Anderson, D.D.SLa Junta, CO 810501083086524
- Samantha Didomenico, D.D.S.Las Animas, CO 810541891241527
- Rosa Lacy, DDSLa Junta, CO 810501164440491
- Joshua ShahLa Junta, CO 810501548994775
- David Trujillo, DDSLa Junta, CO 810501336162825
Common questions
What is Keith Irvin Messersmith, D.D.S,'s NPI number?
Keith Irvin Messersmith, D.D.S,'s National Provider Identifier (NPI) is 1831249143, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Keith Irvin Messersmith, D.D.S, located?
The NPPES record lists a practice address at 701 S. Main St., Lamar, CO, 81052. Phone: (719) 336-9092. Providers update this record themselves, so call before visiting.
How can I verify Keith Irvin Messersmith, D.D.S,'s license?
NPPES lists Colorado license number 0575, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Keith Irvin Messersmith, D.D.S, prescribe under Medicare Part D?
In 2024, Keith Irvin Messersmith, D.D.S, had 50 Medicare Part D claims for 32 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.