Justin Nathaniel Karlin

  • Los Angeles, CA
  • Ophthalmologist
NPI1427476464PAC ID8527380831
Medicare services, 2024
6,008
Medicare patients, 2024
522
Part D claims, 2024
329
Publications
5
MIPS score, 2024
86
Practice address
200 Medical Plz, Los Angeles, CA 90024
Practice phone
Call (310) 794-9206
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Peter Morton UCLA Medical Building

Los Angeles, California

See all 9 affiliations

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Justin Nathaniel Karlin is an ophthalmologist in Los Angeles, California

Justin Karlin practices at Peter Morton UCLA Medical Building in Los Angeles, California.

Justin Karlin's NPI, 1427476464, was assigned on April 6, 2014. Justin Karlin graduated from Tel Aviv University Sackler in 2014. Justin Karlin holds California license A152656.

NPI and contact details
Medicare PAC ID
8527380831
NPI enumeration date
April 6, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 794-9206
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Justin Nathaniel Karlin practices at Peter Morton UCLA Medical Building in Los Angeles, California

Justin Karlin's primary practice is Peter Morton UCLA Medical Building, at 200 Medical Plz, Los Angeles, CA 90024 in Los Angeles County. The practice phone is (310) 794-9206.

  • Peter Morton UCLA Medical Building
    200 Medical Plz, Los Angeles, CA 90024 · Los Angeles CountyPhone(310) 794-9206

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Justin Nathaniel Karlin is affiliated with 5 sites of care and 4 medical groups

Justin Karlin's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Justin Karlin is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Justin Karlin to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 9 affiliations for Justin Karlin

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Justin Nathaniel Karlin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Justin Karlin practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Peter Morton UCLA Medical BuildingAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Justin Nathaniel Karlin is one of 2,621 ophthalmologists in California

Ophthalmology is Justin Karlin's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Justin Karlin is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Justin Karlin's licenses on file in 2 states: California and Virginia.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A152656 · 2017 to 2027 · taxonomy 207W00000X
  • Virginia license2014 to 2018

Clinical focus

Dmand AI lists conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation, inflammation of iris, scleritis, shingles and vision problems among the conditions Justin Karlin treats.

Ophthalmologists near Justin Karlin

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

Justin Nathaniel Karlin billed Medicare for 6,008 services in 2024

CMS data shows 6,008 Medicare services from Justin Karlin across 15 procedure codes in 2024, for 522 Medicare patients. Medicare paid $140,966 for them.

Medicare services, 20246,008
Medicare patients522
Paid by Medicare$140,966
Procedure codes15

Justin Karlin's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 3,9712024: 4,95025%
Office and hospital visits
2023: 7562024: 84412%
Surgery
2023: 2042024: 2145%
Tests and treatments
2023: 432024: 0100%

Where Justin Karlin's Medicare services took place, 2024

  • In an office5,96299%
  • In a facility461%

Justin Karlin compared with the California median for ophthalmologists, 2024

  • Justin Karlin
  • California median
Medicare services
6,008vs 1,0795.6 times
Medicare patients
522vs 42124% above
Part D claims
225vs 61864% below

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Justin Karlin'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.

See all procedures by Justin Karlin

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Justin Nathaniel Karlin treated 522 Medicare patients in 2024, average age 76

CMS counts 522 Medicare patients who saw Justin Karlin in 2024. The largest group is 65 to 74, with 217 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Justin Karlin's median patient age at 69, with 60% women.

Medicare patients, 2024522
Average age76
Average risk score1.18
Also on Medicaid12%

Justin Karlin's Medicare patients by age, 2024

Justin Karlin's Medicare patients by sex, 2024

  • Women34466%
  • Men17834%

Chronic conditions among Justin Karlin's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis55%
  4. Diabetes30%
  5. Osteoporosis27%
  6. Anxiety24%
  7. Ischemic heart disease24%
  8. Mood disorders22%

Share of Medicare patients with each condition. A patient can have several.

Justin Karlin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women60%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Justin Nathaniel Karlin wrote 329 Medicare Part D claims in 2024

In 2024, Justin Karlin wrote 329 Medicare Part D claims for 194 patients. 72% of them were for generic drugs. CMS names the drug for 225 of them, across 4 drugs with 11 or more claims each, at $16,224 in total drug cost. In 2023, CMS named 171 claims across 2 drugs.

Part D claims, 2024329
Drugs named by CMS4
Total drug cost$16,224
Part D patients194

Justin Karlin's Part D claims by kind of drug, 2024

  • Generic237 claims72%
  • Brand-name92 claims28%

Justin Karlin'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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1712024: 22532%

Drugs named by CMS: 4 in 2024, 2 in 2023.

See all prescribing by Justin Karlin

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

Justin Nathaniel Karlin scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Justin Karlin for performance year 2024, reported as part of a group. Justin Karlin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Justin Karlin as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Justin Karlin's MIPS scores, performance year 2024

  • 86of 100Final score
  • 79of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

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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Justin Nathaniel Karlin has 5 publications on record

Dmand AI links 5 papers to Justin Karlin, published from 2011 to 2021. Justin Karlin's most frequent co-author is Maria Kirzhner, MD.

Papers5
Years published2011 to 2021

Justin Karlin's papers by year, 2011 to 2021

Justin Karlin's most frequent co-authors

Recent publications by Justin Karlin

See all 5 publications and co-authors

See who Justin Karlin researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Justin Karlin works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Justin Nathaniel Karlin received $17,270 in industry payments from 2016 to 2025

CMS Open Payments shows 100 general payments to Justin Karlin from 21 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 48% of the total. Horizon Pharma plc paid the most, $10,288.

General payments to Justin Karlin by program year, 2016 to 2025

General payments to Justin Karlin by kind, 2016 to 2025

$17.3Kin total
  • Speaker and faculty fees$8,20548%
  • Honoraria$4,15024%
  • Food and beverage$2,78016%
  • Consulting fees$1,98011%
  • Other$1551%

Companies that paid Justin Karlin the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Justin Karlin

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Justin Nathaniel Karlin graduated from Tel Aviv University Sackler

Justin Karlin graduated from Tel Aviv University Sackler in 2014.

  1. Medical schoolTel Aviv University Sackler
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology
  3. Board certified in memberAmerican Society of Ophthalmic Plastic and Reconstructive Surgery

Source: Dmand AI Professional Profile Data

Justin Nathaniel Karlin accepts plans from 13 insurance carriers

Justin Karlin is in network with 13 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
  • Kaiser Permanente
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Humana
  • Regence Health Plans
  • +5 more carriersWith a free account

Plan types Justin Karlin accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO6
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Justin Nathaniel Karlin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Justin Nathaniel Karlin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Justin Nathaniel Karlin's NPI number?

Justin Nathaniel Karlin's NPI number is 1427476464. It was assigned on April 6, 2014, and it is active in the NPI Registry.

What does Justin Nathaniel Karlin specialize in?

Justin Nathaniel Karlin is an ophthalmologist in Los Angeles, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Justin Nathaniel Karlin practice?

Justin Karlin practices at 200 Medical Plz, Los Angeles, CA 90024. Justin Karlin's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dmand AI also links Justin Karlin to 3 group practices and clinics and 3 medical groups.

What is Justin Nathaniel Karlin's office phone number?

The practice phone on file for Justin Karlin is (310) 794-9206.

What is Justin Nathaniel Karlin's medical license number?

Justin Karlin holds California license A152656, one of the licenses on file in 2 states.

Which states has Justin Nathaniel Karlin been licensed in?

Dmand AI has state licenses on file for Justin Karlin in California (2017 to 2027) and Virginia (2014 to 2018).

Which hospitals is Justin Nathaniel Karlin affiliated with?

Justin Karlin is affiliated with Ronald Reagan UCLA Medical Center.

What medical group is Justin Nathaniel Karlin part of?

Justin Karlin is linked to Southern California Permanente Medical Group. Dmand AI links Justin Karlin to 3 more medical groups.

Does Justin Nathaniel Karlin accept Medicare?

Yes. CMS data shows Justin Karlin billed Medicare for 6,008 services in 2024, and Justin Karlin accepts Medicare assignment.

Does Justin Nathaniel Karlin offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Justin Karlin as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Justin Nathaniel Karlin's MIPS score?

Justin Karlin's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does Justin Nathaniel Karlin see?

CMS counts 522 Medicare patients who saw Justin Karlin in 2024, with an average age of 76.

Is Justin Nathaniel Karlin board certified?

Yes. Justin Karlin is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Justin Nathaniel Karlin bill to Medicare?

In 2024, Justin Karlin's most billed Medicare services were injected or infused drug (J0588), injected or infused drug (J0585) and office visit, established patient (99213).

Where did Justin Nathaniel Karlin go to medical school?

Justin Karlin graduated from Tel Aviv University Sackler in 2014.

What drugs does Justin Nathaniel Karlin prescribe most?

In 2024 Medicare Part D data, Justin Karlin's most prescribed drugs by claims were Neomycin-Polymyxin-Dexameth, Erythromycin and Miebo.

Has Justin Nathaniel Karlin received payments from drug or device companies?

CMS Open Payments shows $17,270 in general payments to Justin Karlin from 21 companies from 2016 to 2025. The largest total came from Horizon Pharma plc.

How long has Justin Nathaniel Karlin been practicing?

Justin Karlin graduated from medical school in 2014, 12 years ago.

Does Justin Nathaniel Karlin do research?

Dmand AI links 5 publications to Justin Karlin, published from 2011 to 2021.

Who does Justin Nathaniel Karlin publish with?

Justin Karlin's most frequent co-authors are Maria Kirzhner, MD (1 shared paper).

What insurance does Justin Nathaniel Karlin accept?

Justin Karlin is in network with 13 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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