Mark Gregory Ortiz, D.D.S.
General Practice Dentistry · Clarksburg, WV
Mark Gregory Ortiz, D.D.S. is a general practice dentistry with a practice address in Clarksburg, West Virginia, and NPI 1174567671, issued on Jun 15, 2006. Check the license (West Virginia WV3025, as entered in NPPES) with the West Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Gregory Ortiz
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- WV3025 WV
Self-reported in NPPES; status is on the state search - Practice location
- 432 W Main St, Clarksburg, WV 26301
- Phone
- (304) 622-9837
- Enumerated
- Jun 15, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (304) 623-1754
- Medicaid ID
- 0132990000 WV
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 547 in West Virginia → Look up another NPI →
Also registered at 432 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelley Heal-Ortiz, D.D.S.General Practice Dentistry1619917135
Verify Mark Gregory Ortiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich West Virginia board licenses this profession
Search for license WV3025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average general practice dentistry in 2024
20 Medicare Part D claims for 15 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin13 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 Gregory Ortiz among 547 general practice dentistry records in West Virginia
Mark Gregory Ortiz, D.D.S. is one of 547 general practice dentistry records with a practice address in West Virginia. 68% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 54% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2026 · 80% 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 West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 general practice dentistry records list a practice address in Clarksburg
They are 19 of the 1,258 NPPES records with a practice address in Clarksburg, and 547 general practice dentistry records in West Virginia.
All 547 in West Virginia → Every provider in Clarksburg → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Frank Angotti, DDSClarksburg, WV 263011326143207
- Stephen Broughton, DDSClarksburg, WV 263011083803498
- Leilani Brown, D.D.SClarksburg, WV 263011386748549
- Rebecca Day, D.D.S.Clarksburg, WV 263011902940174
- Michael Hazey, D.D.S.Clarksburg, WV 263011891895330
- Carrie Hazey, D.D.SClarksburg, WV 263011063589737
- Kelley Heal-Ortiz, D.D.S.Clarksburg, WV 263011619917135
- Kevin Lewis, DDSClarksburg, WV 263011053419051
Common questions
What is Mark Gregory Ortiz, D.D.S.'s NPI number?
Mark Gregory Ortiz, D.D.S.'s National Provider Identifier (NPI) is 1174567671, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Gregory Ortiz, D.D.S. located?
The NPPES record lists a practice address at 432 W Main St, Clarksburg, WV, 26301. Phone: (304) 622-9837. Providers update this record themselves, so call before visiting.
How can I verify Mark Gregory Ortiz, D.D.S.'s license?
NPPES lists West Virginia license number WV3025, as entered by the provider. Search the West Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Gregory Ortiz, D.D.S. prescribe under Medicare Part D?
In 2024, Mark Gregory Ortiz, D.D.S. had 20 Medicare Part D claims for 15 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.