IndividualActive
Timothy Wiess, DO
NPI 1821787243 · General Practice Physician · Bethesda, MD
Timothy Wiess, DO is a General Practice Physician provider in Bethesda, MD (NPI 1821787243).
Provider details
- NPI number
- 1821787243
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 0102209935 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
Psychiatry 8901 Wisconsin Avenue
Bethesda, MD 20889-0001
Phone: (301) 319-2498
Approximate (ZIP-level) locationGet directions
Mailing address
8901 Rockville Pike
Bethesda, MD 20889-0001
Registry dates
- Enumerated
- 2023-05-02
- Last updated
- 2026-02-17
- Certified
- 2026-02-17
Frequently asked questions
- What is Timothy Wiess's NPI number?
- Timothy Wiess's National Provider Identifier (NPI) is 1821787243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Wiess's specialty?
- Timothy Wiess is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Wiess located?
- Timothy Wiess's practice location on file with NPPES is Psychiatry 8901 Wisconsin Avenue, Bethesda, MD 20889-0001.
- What is Timothy Wiess's phone number?
- The practice phone number listed in the NPPES registry for Timothy Wiess is (301) 319-2498.
- Is Timothy Wiess's NPI active?
- Yes — Timothy Wiess's NPI (1821787243) is active in the NPPES registry as of the last update on 2026-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.