J Cataract Refract Surg
Dr. Lars H. Hertzog, FACS, MD
- Medicare services, 2024
- 2,861
- Medicare patients, 2024
- 1,238
- Part D claims, 2024
- 3,287
- Publications
- 7
- MIPS score, 2024
- 100
- Practice address
- 2925 Palo Verde Ave, Long Beach, CA 90815
- Practice phone
- Call (562) 421-2757
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eye Physicians of Long Beach a Medical Group Inc.
Long Beach, California
Find Dr. Hertzog's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Lars H. Hertzog is an ophthalmologist in Long Beach, California
Dr. Hertzog practices at Eye Physicians of Long Beach a Medical Group Inc. in Long Beach, California.
Dr. Hertzog's NPI, 1629164454, was assigned on October 5, 2006. Dr. Hertzog graduated from Keck School of Medicine of USC in 1996. Dr. Hertzog holds California license A71446.
- NPI
- 1629164454NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820066079
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 421-2757
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lars H. Hertzog practices at Eye Physicians of Long Beach a Medical Group Inc. in Long Beach, California
Dr. Hertzog's primary practice is Eye Physicians of Long Beach a Medical Group Inc., at 2925 Palo Verde Ave, Long Beach, CA 90815 in Los Angeles County. The practice phone is (562) 421-2757.
- Eye Physicians of Long Beach a Medical Group Inc.2925 Palo Verde Ave, Long Beach, CA 90815 · Los Angeles CountyPhone(562) 421-2757
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lars H. Hertzog is affiliated with 3 sites of care and 1 medical group
Dr. Hertzog's primary practice is Eye Physicians of Long Beach a Medical Group Inc. in Long Beach, California. Dr. Hertzog is also affiliated with Los Angeles General Medical Center. Dmand AI also links Dr. Hertzog to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lars H. Hertzog's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hertzog practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eye Physicians of Long Beach a Medical Group Inc. | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lars H. Hertzog is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Hertzog's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Hertzog is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Hertzog's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Texas license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation and eyelid inflammation among the conditions Dr. Hertzog treats.
Ophthalmologists near Dr. Hertzog
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Lars H. Hertzog billed Medicare for 2,861 services in 2024
CMS data shows 2,861 Medicare services from Dr. Hertzog across 14 procedure codes in 2024, for 1,238 Medicare patients. Medicare paid $280,679 for them.
Dr. Hertzog's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,8782024: 2,6299%
- Surgery
- 2023: 2362024: 2188%
- Imaging
- 2023: 352024: 1460%
Where Dr. Hertzog's Medicare services took place, 2024
- In an office2,71395%
- In a facility1485%
Dr. Hertzog compared with the California median for ophthalmologists, 2024
- Dr. Hertzog
- California median
- Medicare services
- 2,861vs 1,0792.7 times
- Medicare patients
- 1,238vs 4212.9 times
- Part D claims
- 3,193vs 6185.2 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Hertzog's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hertzog?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hertzog and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lars H. Hertzog treated 1,238 Medicare patients in 2024, average age 76
CMS counts 1,238 Medicare patients who saw Dr. Hertzog in 2024. The largest group is 75 to 84, with 533 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hertzog's median patient age at 72, with 58% women.
Dr. Hertzog's Medicare patients by age, 2024
Dr. Hertzog's Medicare patients by sex, 2024
- Women75161%
- Men48739%
Chronic conditions among Dr. Hertzog's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis42%
- Diabetes29%
- Chronic kidney disease23%
- Ischemic heart disease22%
- Osteoporosis19%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hertzog's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lars H. Hertzog wrote 3,287 Medicare Part D claims in 2024
In 2024, Dr. Hertzog wrote 3,287 Medicare Part D claims for 745 patients. 58% of them were for generic drugs. CMS names the drug for 3,193 of them, across 24 drugs with 11 or more claims each, at $245,931 in total drug cost. In 2023, CMS named 2,795 claims across 24 drugs.
Dr. Hertzog's Part D claims by kind of drug, 2024
- Generic1,911 claims58%
- Brand-name1,376 claims42%
Dr. Hertzog's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hertzog's Part D claims, 2024
- Antibiotics1%25 of 3,287 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,7952024: 3,19314%
Drugs named by CMS: 24 in 2024, 24 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Lars H. Hertzog scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Hertzog for performance year 2024, reported individually. Dr. Hertzog accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 249 procedures of cataract surgery by Dr. Hertzog, more than 87% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Hertzog's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Hertzog ranks in Medicare procedure volume
- Cataract surgery
- 87th percentile249 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Lars H. Hertzog has 7 publications on record
Dmand AI links 7 papers to Dr. Hertzog. The most frequent topics are Cornea, Laser Therapy and Myopia. Dr. Hertzog has published most often in Am J Ophthalmol. Dr. Hertzog's most frequent co-authors are Robert Wayne Bowman, MD, James Parker McCulley, MD and Julia Song, MD.
Topics Dr. Hertzog writes about most
- Cornea
- Laser Therapy
- Myopia
- Astigmatism
- Intraocular Pressure
- Ophthalmology
- Optic Disk
- Postoperative Complications
Dr. Hertzog's most frequent co-authors
- Robert Wayne Bowman, MD1 shared paper
- James Parker McCulley, MD1 shared paper
- Julia Song, MD1 shared paper
Recent publications by Dr. Hertzog
Ophthalmic Surg
Ablation rates and surface ultrastructure of 193 nm excimer laser keratectomies (opens in a new tab)
Invest Ophthalmol Vis Sci
Klin Monbl Augenheilkd
See who Dr. Hertzog researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hertzog works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lars H. Hertzog received $6,335 in industry payments from 2016 to 2025
CMS Open Payments shows 117 general payments to Dr. Hertzog from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 49% of the total. Glaukos Corporation paid the most, $3,132.
General payments to Dr. Hertzog by program year, 2016 to 2025
General payments to Dr. Hertzog by kind, 2016 to 2025
- Food and beverage$3,07949%
- Honoraria$3,00047%
- Education$2374%
- Gifts$190%
Companies that paid Dr. Hertzog the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lars H. Hertzog has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Hertzog.
Awards and honors for Dr. Hertzog
- Undated
- AAO Fellow
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Lars H. Hertzog graduated from Keck School of Medicine of USC
Dr. Hertzog graduated from Keck School of Medicine of USC in 1996. Dr. Hertzog is a member of AAO and ACS.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Lars H. Hertzog accepts plans from 11 insurance carriers
Dr. Hertzog is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- +3 more carriersWith a free account
Plan types Dr. Hertzog accepts, by number of carriers
- Medicare8
- PPO8
- HMO4
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Lars H. Hertzog's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Lars H. Hertzog
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Lars H. Hertzog's NPI number?
Dr. Lars H. Hertzog's NPI number is 1629164454. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lars H. Hertzog?
Dr. Lars H. Hertzog is an ophthalmologist in Long Beach, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Lars H. Hertzog practice?
Dr. Hertzog practices at 2925 Palo Verde Ave, Long Beach, CA 90815. Dr. Hertzog's primary practice is Eye Physicians of Long Beach a Medical Group Inc. in Long Beach, California. Dmand AI also links Dr. Hertzog to 1 group practice or clinic and 1 medical group.
What is Dr. Lars H. Hertzog's office phone number?
The practice phone on file for Dr. Hertzog is (562) 421-2757.
What is Dr. Lars H. Hertzog's medical license number?
Dr. Hertzog holds California license A71446, one of the licenses on file in 2 states.
Which states has Dr. Lars H. Hertzog been licensed in?
Dmand AI has state licenses on file for Dr. Hertzog in California (2000 to 2026) and Texas (2000 to 2001).
Which hospitals is Dr. Lars H. Hertzog affiliated with?
Dr. Hertzog is affiliated with Los Angeles General Medical Center.
Does Dr. Lars H. Hertzog accept Medicare?
Yes. CMS data shows Dr. Hertzog billed Medicare for 2,861 services in 2024, and Dr. Hertzog accepts Medicare assignment.
What is Dr. Lars H. Hertzog's MIPS score?
Dr. Hertzog's MIPS final score for performance year 2024 is 100 out of 100, reported individually.
How many Medicare patients does Dr. Lars H. Hertzog see?
CMS counts 1,238 Medicare patients who saw Dr. Hertzog in 2024, with an average age of 76.
Show 9 more questionsShow fewer questions
Is Dr. Lars H. Hertzog board certified?
Yes. Dr. Hertzog is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Lars H. Hertzog bill to Medicare?
In 2024, Dr. Hertzog's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92083).
Where did Dr. Lars H. Hertzog go to medical school?
Dr. Hertzog graduated from Keck School of Medicine of USC in 1996.
What drugs does Dr. Lars H. Hertzog prescribe most?
In 2024 Medicare Part D data, Dr. Hertzog's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Timolol Maleate.
Has Dr. Lars H. Hertzog received payments from drug or device companies?
CMS Open Payments shows $6,335 in general payments to Dr. Hertzog from 30 companies from 2016 to 2025. The largest total came from Glaukos Corporation.
How long has Dr. Lars H. Hertzog been practicing?
Dr. Hertzog graduated from medical school in 1996, 30 years ago.
Does Dr. Lars H. Hertzog do research?
Dmand AI links 7 publications to Dr. Hertzog.
Who does Dr. Lars H. Hertzog publish with?
Dr. Hertzog's most frequent co-authors are Robert Wayne Bowman, MD (1 shared paper), James Parker McCulley, MD (1 shared paper) and Julia Song, MD (1 shared paper).
What insurance does Dr. Lars H. Hertzog accept?
Dr. Hertzog is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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