Karoline Ludwig, NP
NPI 1720774300 · Psychiatric/Mental Health Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karoline Ludwig, NP is a Psychiatric/Mental Health Nurse Practitioner provider in New York, NY (NPI 1720774300).
Provider details
- NPI number
- 1720774300
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 404901 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-04-17
- Last updated
- 2024-02-27
- Certified
- 2024-02-27
Frequently asked questions
- What is Karoline Ludwig's NPI number?
- Karoline Ludwig's National Provider Identifier (NPI) is 1720774300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karoline Ludwig's specialty?
- Karoline Ludwig is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karoline Ludwig located?
- Karoline Ludwig's practice location on file with NPPES is 1330 1st Ave Apt 403, New York, NY 10021-4749.
- What is Karoline Ludwig's phone number?
- The practice phone number listed in the NPPES registry for Karoline Ludwig is (914) 462-2346.
- Does Karoline Ludwig accept Medicare?
- Karoline Ludwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karoline Ludwig's NPI active?
- Yes — Karoline Ludwig's NPI (1720774300) is active in the NPPES registry as of the last update on 2024-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.