Joseph Francis Mullen, DDS
Dentist · Frederick, MD
Joseph Francis Mullen, DDS is a dentist with a practice address in Frederick, Maryland, and NPI 1548270671, issued on Aug 9, 2006. Check the license (Maryland 6429, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joseph Francis Mullen
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 6429 MD
Self-reported in NPPES; status is on the state search - Practice location
- 196 Thomas Johnson Dr, Frederick, MD 21702
- Phone
- (301) 663-5550
- Enumerated
- Aug 9, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 631-0045
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,870 in Maryland → Look up another NPI →
Also registered at 196 Thomas Johnson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph Francis Mullen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 6429Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joseph Francis Mullen among 1,870 dentist records in Maryland
Joseph Francis Mullen, DDS is one of 1,870 dentist records with a practice address in Maryland. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 80% newer
- In a Medicare fileNo · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 69% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 dentist records list a practice address in Frederick
They are 46 of the 3,981 NPPES records with a practice address in Frederick, and 1,870 dentist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,870 in Maryland → Every provider in Frederick → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Carl Appleton, DDSFrederick, MD 217021053645655
- Marcie Bidinger, D.D.S.Frederick, MD 217021518979004
- William Colliver, D.D.S.Frederick, MD 217021467464024
- Howard Fischer, DDSFt Detrick, MD 217021659304475
- Thomas Galloway, DDSFrederick, MD 217021053560474
- Babak Ganjavian, DDSFrederick, MD 217021801033329
- Philip Magpantay, DDSFrederick, MD 217021598913667
- Michael Raboy, DDSFrederick, MD 217021326102856
Common questions
What is Joseph Francis Mullen, DDS's NPI number?
Joseph Francis Mullen, DDS's National Provider Identifier (NPI) is 1548270671, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Francis Mullen, DDS located?
The NPPES record lists a practice address at 196 Thomas Johnson Dr, Frederick, MD, 21702. Phone: (301) 663-5550. Providers update this record themselves, so call before visiting.
How can I verify Joseph Francis Mullen, DDS's license?
NPPES lists Maryland license number 6429, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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. 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.