IndividualActive
Annette Vonthun, MD
NPI 1952365934 · Internal Medicine Physician · Bethesda, MD
Annette Vonthun, MD is a Internal Medicine Physician provider in Bethesda, MD (NPI 1952365934).
Provider details
- NPI number
- 1952365934
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- L-12463R (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
8901 Wisconsin Ave
Bethesda, MD 20889-0001
Phone: (301) 295-4611
Approximate (ZIP-level) locationGet directions
Mailing address
4910 Cloister Dr
Rockville, MD 20852-3362
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Annette Vonthun's NPI number?
- Annette Vonthun's National Provider Identifier (NPI) is 1952365934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annette Vonthun's specialty?
- Annette Vonthun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Annette Vonthun located?
- Annette Vonthun's practice location on file with NPPES is 8901 Wisconsin Ave, Bethesda, MD 20889-0001.
- What is Annette Vonthun's phone number?
- The practice phone number listed in the NPPES registry for Annette Vonthun is (301) 295-4611.
- Is Annette Vonthun's NPI active?
- Yes — Annette Vonthun's NPI (1952365934) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.