Leif M. Hertzog, MD
Ophthalmology Physician · Long Beach, CA
Leif M. Hertzog, MD is an ophthalmology physician with a practice address in Long Beach, California, and NPI 1528139367, issued on Nov 13, 2006. Check the license (California G52761, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leif M. Hertzog
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G52761 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5094 E Los Coyotes Diagonal, Long Beach, CA 90815
- Phone
- (562) 597-3100
- Enumerated
- Nov 13, 2006
- Record last updated
- Jul 12, 2023
- Fax
- (562) 597-5055
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 5094 E Los Coyotes Diagonal
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hans Hertzog, M.D.Ophthalmology Physician1851616064
Verify Leif M. Hertzog in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G52761Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average ophthalmology physician in 2024
557 Medicare Part D claims for 128 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Latanoprost309 claims
- Timolol Maleate104 claims
- Brimonidine Tartrate26 claims
- Dorzolamide-Timolol18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 93.7 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).
Leif M. Hertzog among 2,899 ophthalmology physician records in California
Leif M. Hertzog, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2023 · 67% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Long Beach → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Hans Hertzog, M.D.Long Beach, CA 908151851616064
- Maltish LorenzoLong Beach, CA 908151760010276
- Ravi Menghani, M.D., MBALong Beach, CA 908151518285360
- Katherine Tanaka, M.D.Long Beach, CA 908151336344878
- Merrill Knopf, M.D.Long Beach, CA 908131841294733
- Myles Brookman, MDLong Beach, CA 908081063874139
- Garrick Chak, M.D.Long Beach, CA 908221497047526
- Ronald Gaster, MDLong Beach, CA 908221306940325
Common questions
What is Leif M. Hertzog, MD's NPI number?
Leif M. Hertzog, MD's National Provider Identifier (NPI) is 1528139367, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leif M. Hertzog, MD located?
The NPPES record lists a practice address at 5094 E Los Coyotes Diagonal, Long Beach, CA, 90815. Phone: (562) 597-3100. Providers update this record themselves, so call before visiting.
How can I verify Leif M. Hertzog, MD's license?
NPPES lists California license number G52761, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leif M. Hertzog, MD prescribe under Medicare Part D?
In 2024, Leif M. Hertzog, MD had 557 Medicare Part D claims for 128 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Leif M. Hertzog, MD's MIPS final score?
The 2023 MIPS final score is 93.7 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.