Grant Ludwig, FNP, APRN
NPI 1346438447 · Family Medicine Physician · Washington, DC
Grant Ludwig, FNP, APRN is a Family Medicine Physician provider in Washington, DC (NPI 1346438447).
Provider details
- NPI number
- 1346438447
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- FNP, APRN
- Sex
- Male
- Sole proprietor
- Yes
- License
- RN53790 (DC)
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
18 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
- 2007-10-15
- Last updated
- 2007-10-15
Frequently asked questions
- What is Grant Ludwig's NPI number?
- Grant Ludwig's National Provider Identifier (NPI) is 1346438447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Ludwig's specialty?
- Grant Ludwig is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Ludwig located?
- Grant Ludwig's practice location on file with NPPES is US Dept of State, Washington, DC 20522-0001.
- What is Grant Ludwig's phone number?
- The practice phone number listed in the NPPES registry for Grant Ludwig is (202) 663-2453.
- Is Grant Ludwig's NPI active?
- Yes — Grant Ludwig's NPI (1346438447) is active in the NPPES registry as of the last update on 2007-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.