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William Ludt, DO
NPI 1922084094 · Internal Medicine Physician · Tucson, AZ
William Ludt, DO is a Internal Medicine Physician provider in Tucson, AZ (NPI 1922084094).
Provider details
- NPI number
- 1922084094
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 1527 (AZ)
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
4892 N Stone Ave
Suite 100
Tucson, AZ 85704-5761
Phone: (520) 396-1360
Fax: (520) 795-9043
Street-level locationGet directions
Mailing address
2202 N Forbes Blvd
Tucson, AZ 85745-1412
Registry dates
- Enumerated
- 2005-12-20
- Last updated
- 2011-07-22
Frequently asked questions
- What is William Ludt's NPI number?
- William Ludt's National Provider Identifier (NPI) is 1922084094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ludt's specialty?
- William Ludt is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Ludt located?
- William Ludt's practice location on file with NPPES is 4892 N Stone Ave, Tucson, AZ 85704-5761.
- What is William Ludt's phone number?
- The practice phone number listed in the NPPES registry for William Ludt is (520) 396-1360.
- Is William Ludt's NPI active?
- Yes — William Ludt's NPI (1922084094) is active in the NPPES registry as of the last update on 2011-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.