Josef Dvorak, M.D.
NPI 1174541072 · Internal Medicine Physician · Arlington, VA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Josef Dvorak, M.D. is a Internal Medicine Physician provider in Arlington, VA (NPI 1174541072).
Provider details
- NPI number
- 1174541072
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0101027708 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-18
- Last updated
- 2025-09-11
Frequently asked questions
- What is Josef Dvorak's NPI number?
- Josef Dvorak's National Provider Identifier (NPI) is 1174541072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josef Dvorak's specialty?
- Josef Dvorak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Josef Dvorak located?
- Josef Dvorak's practice location on file with NPPES is 1635 N George Mason Dr, Arlington, VA 22205-3601.
- What is Josef Dvorak's phone number?
- The practice phone number listed in the NPPES registry for Josef Dvorak is (703) 528-6616.
- Does Josef Dvorak accept Medicare?
- Josef Dvorak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Josef Dvorak's NPI active?
- Yes — Josef Dvorak's NPI (1174541072) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.