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Dr. Jacob Reznik, MD
NPI1528104999PAC ID9234291287
- Medicare services, 2024
- 777
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 29
- Publications
- 3
- Industry payments
- $44,474
- Practice address
- 1401 Avocado Ave, Newport Beach, CA 92660
- Practice phone
- Call (949) 644-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lavinia K. Chong, M.D., Inc.
Newport Beach, California
Find Dr. Reznik'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. Jacob Reznik is an ophthalmologist in Newport Beach, California
Dr. Reznik practices at Lavinia K. Chong, M.D., Inc. in Newport Beach, California.
Dr. Reznik's NPI, 1528104999, was assigned on January 30, 2007. Dr. Reznik graduated from UC Irvine School of Medicine in 2004. Dr. Reznik holds California license 101891.
NPI and contact details
- NPI
- 1528104999NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234291287
- NPI enumeration date
- January 30, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 644-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jacob Reznik practices at Lavinia K. Chong, M.D., Inc. in Newport Beach, California
Dr. Reznik's primary practice is Lavinia K. Chong, M.D., Inc., at 1401 Avocado Ave, Newport Beach, CA 92660 in Orange County. The practice phone is (949) 644-1400.
- Lavinia K. Chong, M.D., Inc.1401 Avocado Ave, Newport Beach, CA 92660 · Orange CountyPhone(949) 644-1400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jacob Reznik is affiliated with 3 sites of care and 3 medical groups
Dr. Reznik's primary practice is Lavinia K. Chong, M.D., Inc. in Newport Beach, California. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Reznik to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Lavinia K. Chong, M.D., Inc.Primary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jacob Reznik's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reznik practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lavinia K. Chong, M.D., Inc. | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jacob Reznik is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Reznik's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Reznik is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Reznik is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Reznik treats.
Ophthalmologists near Dr. Reznik
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. Jacob Reznik billed Medicare for 777 services in 2024
CMS data shows 777 Medicare services from Dr. Reznik across 13 procedure codes in 2024, for 159 Medicare patients. Medicare paid $71,336 for them.
Medicare services, 2024777
Medicare patients159
Paid by Medicare$71,336
Procedure codes13
Dr. Reznik's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2172024: 34559%
- Office and hospital visits
- 2023: 2312024: 31436%
- Surgery
- 2023: 592024: 9764%
- Imaging
- 2023: 192024: 2111%
Where Dr. Reznik's Medicare services took place, 2024
- In an office74195%
- In a facility365%
Dr. Reznik compared with the California median for ophthalmologists, 2024
- Dr. Reznik
- California median
- Medicare services
- 777vs 1,07928% below
- Medicare patients
- 159vs 42162% below
- Part D claims
- 12vs 61898% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Reznik'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. Reznik?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Reznik and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jacob Reznik treated 159 Medicare patients in 2024, average age 76
CMS counts 159 Medicare patients who saw Dr. Reznik in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Reznik's median patient age at 70, with 56% women.
Medicare patients, 2024159
Average age76
Average risk score0.94
Dr. Reznik's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Reznik's Medicare patients by sex, 2024
- Women8352%
- Men7648%
Chronic conditions among Dr. Reznik's Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
- Arthritis43%
- Diabetes25%
- Ischemic heart disease23%
- Mood disorders20%
- Cancer19%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Reznik's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jacob Reznik wrote 29 Medicare Part D claims in 2024
In 2024, Dr. Reznik wrote 29 Medicare Part D claims. 38% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $2,198 in total drug cost. In 2021, CMS named 151 claims across 5 drugs.
Part D claims, 202429
Drugs named by CMS1
Total drug cost$2,198
Dr. Reznik's Part D claims by kind of drug, 2024
- Generic11 claims38%
- Brand-name18 claims62%
Dr. Reznik'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.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 1512024: 1292%
Drugs named by CMS: 1 in 2024, 5 in 2021.
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. Jacob Reznik ranks in the 71st percentile for cataract surgery in Medicare
Dr. Reznik accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 82 procedures of cataract surgery by Dr. Reznik, more than 71% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Reznik ranks in Medicare procedure volume
- Cataract surgery
- 71st percentile82 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jacob Reznik has 3 publications on record
Dmand AI links 3 papers to Dr. Reznik. Dr. Reznik's most frequent co-authors are David S. Boyer, MD, Anthony Bart Nesburn, MD and Kent W. Small, MD.
Papers3
Dr. Reznik's most frequent co-authors
- David S. Boyer, MD1 shared paper
- Anthony Bart Nesburn, MD1 shared paper
- Kent W. Small, MD1 shared paper
Recent publications by Dr. Reznik
Surv Ophthalmol
CorneaEndophthalmitisMinimally Invasive Surgical Procedures
Corneal DiseasesCorneal TopographyDilatation, Pathologic
See who Dr. Reznik researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Reznik 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. Jacob Reznik received $44,474 in industry payments from 2016 to 2025
CMS Open Payments shows 172 general payments to Dr. Reznik from 23 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 58% of the total. Abbvie Inc. paid the most, $12,091.
General payments to Dr. Reznik by program year, 2016 to 2025
General payments to Dr. Reznik by kind, 2016 to 2025
$44.5Kin total
- Consulting fees$25,99758%
- Food and beverage$9,12621%
- Speaker and faculty fees$6,32514%
- Honoraria$3,0007%
- Entertainment$260%
Companies that paid Dr. Reznik 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. Jacob Reznik graduated from UC Irvine School of Medicine
Dr. Reznik graduated from UC Irvine School of Medicine in 2004.
- Medical school
- Board certified in ophthalmology
- Board certified in refractive surgery
Source: Dmand AI Professional Profile Data
Dr. Jacob Reznik accepts plans from 8 insurance carriers
Dr. Reznik is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- CMS Medicare
Plan types Dr. Reznik accepts, by number of carriers
- Medicare8
- PPO6
- HMO4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Jacob Reznik'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)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) |
| 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. Jacob Reznik
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. Jacob Reznik's NPI number?
Dr. Jacob Reznik's NPI number is 1528104999. It was assigned on January 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jacob Reznik?
Dr. Jacob Reznik is an ophthalmologist in Newport Beach, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Jacob Reznik practice?
Dr. Reznik practices at 1401 Avocado Ave, Newport Beach, CA 92660. Dr. Reznik's primary practice is Lavinia K. Chong, M.D., Inc. in Newport Beach, California. Dmand AI also links Dr. Reznik to 2 group practices and clinics and 2 medical groups.
What is Dr. Jacob Reznik's office phone number?
The practice phone on file for Dr. Reznik is (949) 644-1400.
What is Dr. Jacob Reznik's medical license number?
Dr. Reznik holds California license 101891.
What medical group is Dr. Jacob Reznik part of?
Dr. Reznik is linked to PIH Health Physicians. Dmand AI links Dr. Reznik to 2 more medical groups.
Does Dr. Jacob Reznik accept Medicare?
Yes. CMS data shows Dr. Reznik billed Medicare for 777 services in 2024, and Dr. Reznik accepts Medicare assignment.
How many Medicare patients does Dr. Jacob Reznik see?
CMS counts 159 Medicare patients who saw Dr. Reznik in 2024, with an average age of 76.
Is Dr. Jacob Reznik board certified?
Yes. Dr. Reznik is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Jacob Reznik bill to Medicare?
In 2024, Dr. Reznik's most billed Medicare services were office visit, established patient (99214), eye exam or test (92020) and eye exam or test (92133).
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Where did Dr. Jacob Reznik go to medical school?
Dr. Reznik graduated from UC Irvine School of Medicine in 2004.
What drugs does Dr. Jacob Reznik prescribe most?
In 2024 Medicare Part D data, Dr. Reznik's most prescribed drugs by claims were Simbrinza.
Has Dr. Jacob Reznik received payments from drug or device companies?
CMS Open Payments shows $44,474 in general payments to Dr. Reznik from 23 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Jacob Reznik been practicing?
Dr. Reznik graduated from medical school in 2004, 22 years ago.
Does Dr. Jacob Reznik do research?
Dmand AI links 3 publications to Dr. Reznik.
Who does Dr. Jacob Reznik publish with?
Dr. Reznik's most frequent co-authors are David S. Boyer, MD (1 shared paper), Anthony Bart Nesburn, MD (1 shared paper) and Kent W. Small, MD (1 shared paper).
What insurance does Dr. Jacob Reznik accept?
Dr. Reznik is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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