Mitchell Dullnig, M.D.
NPI 1669600573 · Internal Medicine Physician · Sisterdale, TX
Mitchell Dullnig, M.D. is a Internal Medicine Physician provider in Sisterdale, TX (NPI 1669600573).
Provider details
- NPI number
- 1669600573
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- HO313 (TX)
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
16 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
- 2009-06-30
- Last updated
- 2009-06-30
Frequently asked questions
- What is Mitchell Dullnig's NPI number?
- Mitchell Dullnig's National Provider Identifier (NPI) is 1669600573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mitchell Dullnig's specialty?
- Mitchell Dullnig is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mitchell Dullnig located?
- Mitchell Dullnig's practice location on file with NPPES is 29 Dullnig Road, Sisterdale, TX 78006.
- What is Mitchell Dullnig's phone number?
- The practice phone number listed in the NPPES registry for Mitchell Dullnig is (830) 324-6667.
- Is Mitchell Dullnig's NPI active?
- Yes — Mitchell Dullnig's NPI (1669600573) is active in the NPPES registry as of the last update on 2009-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.