Mark Tanchanco, DMD
Dentist · Wilmington, DE
Mark Tanchanco, DMD is a dentist with a practice address in Wilmington, Delaware, and NPI 1073261095, issued on Mar 17, 2022. Check the license (Delaware G1-0011559, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Tanchanco
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- G1-0011559 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Milltown RD Ste 25, Wilmington, DE 19808
- Phone
- (302) 999-8113
- Enumerated
- Mar 17, 2022
- Record last updated
- Aug 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20260127000544); may accept Medicare assignment
- Medical or professional school
- Tufts University School Of Dental Medicine, 2022
- Entity
- Type 1 · individual
8 nearest dentist records → All 194 in Delaware → Look up another NPI →
Also registered at 1601 Milltown RD Ste 25
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas EmmiGeneral Practice Dentistry1124813712
- Ryan Graham, DDSDentist1982136305
Verify Mark Tanchanco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license G1-0011559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average dentist in 2024
62 Medicare Part D claims for 30 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin26 claims
- Chlorhexidine Gluconate12 claims
- Amoxicillin-Clavulanate Potass11 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.
Industry payments in 2024: $180.41
3 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Tanchanco among 194 dentist records in Delaware
Mark Tanchanco, DMD is one of 194 dentist records with a practice address in Delaware. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 91% of them.
- NPI issued2022 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Record last updated2023 · 76% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 dentist records list a practice address in Wilmington
They are 75 of the 6,291 NPPES records with a practice address in Wilmington, and 194 dentist records in Delaware.
All 194 in Delaware → Every provider in Wilmington → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Christopher Baran, DMDWilmington, DE 198081134283963
- Robert Christy, DMDWilmington, DE 198081679625164
- Jeffrey Cole, DDSWilmington, DE 198081922139997
- Laura Dougherty, DDSWilmington, DE 198081033241864
- David Ehrenfeld, DDSWilmington, DE 198081811034499
- Jeffrey Emmi, DMDWilmington, DE 198081689734519
- Eric Esbitt, DMDWilmington, DE 198081841320025
- Mark Gladnick, D.D.S.Wilmington, DE 198081710900204
Common questions
What is Mark Tanchanco, DMD's NPI number?
Mark Tanchanco, DMD's National Provider Identifier (NPI) is 1073261095, issued on Mar 17, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mark Tanchanco, DMD located?
The NPPES record lists a practice address at 1601 Milltown RD Ste 25, Wilmington, DE, 19808. Phone: (302) 999-8113. Providers update this record themselves, so call before visiting.
How can I verify Mark Tanchanco, DMD's license?
NPPES lists Delaware license number G1-0011559, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Tanchanco, DMD prescribe under Medicare Part D?
In 2024, Mark Tanchanco, DMD had 62 Medicare Part D claims for 30 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.