Mark McAdams Sibley, DDS
Dentist · Richardson, TX
Mark McAdams Sibley, DDS is a dentist with a practice address in Richardson, Texas, and NPI 1073621587, issued on Aug 25, 2006. Check the license (Texas 14694, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark McAdams Sibley
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 14694 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2007 N Collins, Richardson, TX 75080
- Phone
- (972) 437-0202
- Enumerated
- Aug 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (972) 437-0290
- Entity
- Type 1 · individual
8 nearest dentist records → All 6,572 in Texas → Look up another NPI →
Verify Mark McAdams Sibley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 14694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average dentist in 2024
30 Medicare Part D claims for 22 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin23 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 McAdams Sibley among 6,572 dentist records in Texas
Mark McAdams Sibley, DDS is one of 6,572 dentist 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% 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 updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 dentist records list a practice address in Richardson
They are 51 of the 2,896 NPPES records with a practice address in Richardson, and 6,572 dentist records in Texas.
All 6,572 in Texas → Every provider in Richardson → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Susan Aten, D.D.S.Richardson, TX 750801477656726
- William Baltazar, DDSRichardson, TX 750801639389158
- Christopher Barnes, D.D.S.Richardson, TX 750801780608141
- Daniel Carrier, D.D.S.Richardson, TX 750801790875227
- Lajuana GarrisonRichardson, TX 750801790906048
- Lloyd Lawrence, DDSRichardson, TX 750801174631675
- Pranay Patel, D.D.S.Richardson, TX 750801770605610
- James Peck, DDSRichardson, TX 750801558457622
Common questions
What is Mark McAdams Sibley, DDS's NPI number?
Mark McAdams Sibley, DDS's National Provider Identifier (NPI) is 1073621587, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark McAdams Sibley, DDS located?
The NPPES record lists a practice address at 2007 N Collins, Richardson, TX, 75080. Phone: (972) 437-0202. Providers update this record themselves, so call before visiting.
How can I verify Mark McAdams Sibley, DDS's license?
NPPES lists Texas license number 14694, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Mark McAdams Sibley, DDS prescribe under Medicare Part D?
In 2024, Mark McAdams Sibley, DDS had 30 Medicare Part D claims for 22 beneficiaries; the average among dentist prescribers was 86. 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.