Timothy Brennan, M.D., PH.D.
NPI 1730594250 · Infectious Disease Physician · Bethesda, MD
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Brennan, M.D., PH.D. is a Infectious Disease Physician provider in Bethesda, MD (NPI 1730594250).
Provider details
- NPI number
- 1730594250
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD045130 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2401 W Belvedere AveBaltimore, MD 21215-5216Phone: (410) 601-9386
Registry dates
- Enumerated
- 2014-06-23
- Last updated
- 2022-07-21
Frequently asked questions
- What is Timothy Brennan's NPI number?
- Timothy Brennan's National Provider Identifier (NPI) is 1730594250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Brennan's specialty?
- Timothy Brennan is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Brennan located?
- Timothy Brennan's practice location on file with NPPES is 10 Center Drive Room 12c120 Msc 1899, Bethesda, MD 20892-5216.
- What is Timothy Brennan's phone number?
- The practice phone number listed in the NPPES registry for Timothy Brennan is (301) 761-6638.
- Does Timothy Brennan accept Medicare?
- Timothy Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Brennan's NPI active?
- Yes — Timothy Brennan's NPI (1730594250) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.