Lars Freisberg, MD
Ophthalmology Physician · Phoenix, AZ
Lars Freisberg, MD is an ophthalmology physician with a practice address in Phoenix, Arizona, and NPI 1659325454, issued on May 19, 2006. Check the license (Arizona 78852, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lars Freisberg
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 78852 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4045 E Union Hills Dr Ste 115, Phoenix, AZ 85050
- Phone
- (602) 368-3448
- Enumerated
- May 19, 2006
- Record last updated
- Dec 11, 2025
- Fax
- (602) 357-3323
- Medicaid ID
- 249740 AZ
- Medicare enrollment
- Enrolled (PECOS I20251223003323); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 353 in Arizona → Look up another NPI →
Also registered at 4045 E Union Hills Dr Ste 115
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharam Danesh, MDOphthalmology Physician1003808809
- Alex Song, MDOphthalmology Physician1316492598
Verify Lars Freisberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 78852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cameron Ria LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lars Freisberg among 353 ophthalmology physician records in Arizona
Lars Freisberg, MD is one of 353 ophthalmology physician records with a practice address in Arizona. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 41% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1994 · median 2000 among the 220 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Arizona
There are 353 ophthalmology physician records in Arizona.
All 353 in Arizona → Every provider in Phoenix → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Sharam Danesh, MDPhoenix, AZ 850501003808809
- Leslie Eisner, M.D.Phoenix, AZ 850501629090683
- Alex Song, MDPhoenix, AZ 850501316492598
- Joseph Rappazzo, M.D.Phoenix, AZ 850481972552453
- Spencer Moore, MD, PHDPhoenix, AZ 850531235750670
- Achal Patel, M.D.Phoenix, AZ 850531306282389
- Harmohina Bagga, M.D.Phoenix, AZ 850541306024104
- John Cason, M.D.Phoenix, AZ 850541255494001
Common questions
What is Lars Freisberg, MD's NPI number?
Lars Freisberg, MD's National Provider Identifier (NPI) is 1659325454, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lars Freisberg, MD located?
The NPPES record lists a practice address at 4045 E Union Hills Dr Ste 115, Phoenix, AZ, 85050. Phone: (602) 368-3448. Providers update this record themselves, so call before visiting.
How can I verify Lars Freisberg, MD's license?
NPPES lists Arizona license number 78852, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Lars Freisberg, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.