Lars Freisberg, MD
NPI 1659325454 · Ophthalmology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lars Freisberg, MD is a Ophthalmology Physician provider in Phoenix, AZ (NPI 1659325454).
Provider details
- NPI number
- 1659325454
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 78852 (AZ)
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
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
- 2006-05-19
- Last updated
- 2025-12-11
- Certified
- 2025-12-11
Frequently asked questions
- What is Lars Freisberg's NPI number?
- Lars Freisberg's National Provider Identifier (NPI) is 1659325454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lars Freisberg's specialty?
- Lars Freisberg is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Lars Freisberg located?
- Lars Freisberg's practice location on file with NPPES is 4045 E Union Hills Dr Ste 115, Phoenix, AZ 85050-3388.
- What is Lars Freisberg's phone number?
- The practice phone number listed in the NPPES registry for Lars Freisberg is (602) 368-3448.
- Does Lars Freisberg accept Medicare?
- Lars Freisberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lars Freisberg's NPI active?
- Yes — Lars Freisberg's NPI (1659325454) is active in the NPPES registry as of the last update on 2025-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.