Greta Ludwig, P.A.
NPI 1134177405 · Medical Physician Assistant · Phoenix, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greta Ludwig, P.A. is a Medical Physician Assistant provider in Phoenix, AZ (NPI 1134177405).
Provider details
- NPI number
- 1134177405
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
- License
- 2934 (AZ)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2011-08-24
Frequently asked questions
- What is Greta Ludwig's NPI number?
- Greta Ludwig's National Provider Identifier (NPI) is 1134177405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greta Ludwig's specialty?
- Greta Ludwig is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Greta Ludwig located?
- Greta Ludwig's practice location on file with NPPES is 444 W Osborn Rd, Phoenix, AZ 85013.
- What is Greta Ludwig's phone number?
- The practice phone number listed in the NPPES registry for Greta Ludwig is (602) 230-1400.
- Does Greta Ludwig accept Medicare?
- Greta Ludwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greta Ludwig's NPI active?
- Yes — Greta Ludwig's NPI (1134177405) is active in the NPPES registry as of the last update on 2011-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.