Marshall A. Olson, DDS
General Practice Dentistry · Keller, TX
Marshall A. Olson, DDS is a general practice dentistry with a practice address in Keller, Texas, and NPI 1851594386, issued on Jun 11, 2007. Check the license (Texas 23256, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marshall A. Olson
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 23256 TX
Self-reported in NPPES; status is on the state search - Practice location
- 777 Bandit Trl, Keller, TX 76248
- Phone
- (817) 427-2622
- Enumerated
- Jun 11, 2007
- Record last updated
- Sep 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (817) 427-2625
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 10,056 in Texas → Look up another NPI →
Verify Marshall A. Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 23256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average general practice dentistry in 2024
31 Medicare Part D claims for 22 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 14 claims were for opioids.
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.
Marshall A. Olson among 10,056 general practice dentistry records in Texas
Marshall A. Olson, DDS is one of 10,056 general practice dentistry records with a practice address in Texas. 64% 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 27% of them.
- NPI issued2007 · 27% of these records are older, 52% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2013 · 71% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 general practice dentistry records list a practice address in Keller
They are 30 of the 979 NPPES records with a practice address in Keller, and 10,056 general practice dentistry records in Texas.
All 10,056 in Texas → Every provider in Keller → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Misty Brown, DDSKeller, TX 762481881709541
- Lara Chow, D.D.S.Keller, TX 762481932275922
- Jay Corley, DDSKeller, TX 762481700900420
- Brent Cornelius, DDSKeller, TX 762481720249402
- Chinmay DaveKeller, TX 762481881601458
- Russell Dix, D.D.S.Keller, TX 762481962422287
- Gary Goodyear, DDSKeller, TX 762481801995725
- Tamara Gray, D.D.S.Keller, TX 762481215071626
Common questions
What is Marshall A. Olson, DDS's NPI number?
Marshall A. Olson, DDS's National Provider Identifier (NPI) is 1851594386, issued on Jun 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marshall A. Olson, DDS located?
The NPPES record lists a practice address at 777 Bandit Trl, Keller, TX, 76248. Phone: (817) 427-2622. Providers update this record themselves, so call before visiting.
How can I verify Marshall A. Olson, DDS's license?
NPPES lists Texas license number 23256, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Marshall A. Olson, DDS prescribe under Medicare Part D?
In 2024, Marshall A. Olson, DDS had 31 Medicare Part D claims for 22 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.