Mark Brennan, D.D.S.
NPI 1598033136 · Prosthodontics · Westminster, MD
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Brennan, D.D.S. is a Prosthodontics provider in Westminster, MD (NPI 1598033136).
Provider details
- NPI number
- 1598033136
- Entity type
- Individual
- Primary specialty
- ProsthodonticsDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- No
- License
- 11743 (MD)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-12-11
- Last updated
- 2011-12-11
Frequently asked questions
- What is Mark Brennan's NPI number?
- Mark Brennan's National Provider Identifier (NPI) is 1598033136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Brennan's specialty?
- Mark Brennan is listed in the NPPES registry with a primary specialty of Prosthodontics (Dental Providers).
- Where is Mark Brennan located?
- Mark Brennan's practice location on file with NPPES is 882 Backbone Ct, Westminster, MD 21157-7745.
- What is Mark Brennan's phone number?
- The practice phone number listed in the NPPES registry for Mark Brennan is (410) 751-8886.
- Does Mark Brennan accept Medicare?
- Mark Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Brennan's NPI active?
- Yes — Mark Brennan's NPI (1598033136) is active in the NPPES registry as of the last update on 2011-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.