Alexander Francis Chen

  • Harbor City, CA
  • Ophthalmologist
NPI1528594546PAC ID1254732498
Medicare services, 2024
532
Medicare patients, 2024
206
Part D claims, 2024
9,123
Hospital affiliations
1
Industry payments
$1,963
Practice address
25825 South Vermont Avenue, Harbor City, CA 90710
Practice phone
Call (310) 325-5111
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Permanente South Bay Medical Center

Hospital · Harbor City, California

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Alexander Francis Chen is an ophthalmologist in Harbor City, California

Alexander Chen practices at Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.

Alexander Chen's NPI, 1528594546, was assigned on May 11, 2017. Alexander Chen graduated from Keck School of Medicine of USC in 2017. Alexander Chen holds California license A171467.

NPI and contact details
Medicare PAC ID
1254732498
NPI enumeration date
May 11, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(310) 325-5111
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
35
Medical school graduation
2017

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

Alexander Francis Chen practices at Kaiser Permanente South Bay Medical Center in Harbor City, California

Alexander Chen's primary practice is Kaiser Permanente South Bay Medical Center, at 25825 South Vermont Avenue, Harbor City, CA 90710 in Los Angeles County. The practice phone is (310) 325-5111.

Source: Dmand AI Affiliation Data

Alexander Francis Chen is affiliated with 1 site of care and 1 medical group

Alexander Chen's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Alexander Francis Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Alexander Chen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kaiser Permanente South Bay Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Alexander Francis Chen is one of 2,621 ophthalmologists in California

Ophthalmology is Alexander Chen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Alexander Chen is board certified in ophthalmology by the American Board of Ophthalmology. Alexander Chen is licensed in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A171467 · 2021 to 2027 · taxonomy 207W00000X

Clinical focus

Dmand AI lists cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, glaucoma, glaucoma surgery and secondary membranaous cataract surgery among the conditions Alexander Chen treats.

Ophthalmologists near Alexander Chen

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

Alexander Francis Chen billed Medicare for 532 services in 2024

CMS data shows 532 Medicare services from Alexander Chen across 11 procedure codes in 2024, for 206 Medicare patients. Medicare paid $37,216 for them.

Medicare services, 2024532
Medicare patients206
Paid by Medicare$37,216
Procedure codes11

Alexander Chen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 2142024: 25117%
Office and hospital visits
2023: 2122024: 2193%
Imaging
2023: 552024: 4322%
Surgery
2023: 02024: 19

Where Alexander Chen's Medicare services took place, 2024

  • In an office51396%
  • In a facility194%

Alexander Chen compared with the California median for ophthalmologists, 2024

  • Alexander Chen
  • California median
Medicare services
532vs 1,07951% below
Medicare patients
206vs 42151% below
Part D claims
9,016vs 61814.6 times

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

Alexander Chen'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 Alexander Chen

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

Alexander Francis Chen treated 206 Medicare patients in 2024, average age 72

CMS counts 206 Medicare patients who saw Alexander Chen in 2024. The largest group is 65 to 74, with 113 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 64% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Alexander Chen's median patient age at 66, with 60% women.

Medicare patients, 2024206
Average age72
Average risk score1.46
Also on Medicaid64%

Alexander Chen's Medicare patients by age, 2024

Alexander Chen's Medicare patients by sex, 2024

  • Women12360%
  • Men8340%

Chronic conditions among Alexander Chen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes45%
  4. Arthritis41%
  5. Chronic kidney disease31%
  6. Ischemic heart disease23%
  7. Mood disorders22%
  8. Anxiety19%

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

Alexander Chen's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women60%
  • Men40%

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

Alexander Francis Chen wrote 9,123 Medicare Part D claims in 2024

In 2024, Alexander Chen wrote 9,123 Medicare Part D claims for 1,689 patients. 58% of them were for generic drugs. CMS names the drug for 9,016 of them, across 30 drugs with 11 or more claims each, at $731,311 in total drug cost. In 2023, CMS named 8,855 claims across 31 drugs.

Part D claims, 20249,123
Drugs named by CMS30
Total drug cost$731,311
Part D patients1,689

Alexander Chen's Part D claims by kind of drug, 2024

  • Generic5,335 claims58%
  • Brand-name and other3,788 claims42%

Alexander Chen'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: 8,8552024: 9,0162%

Drugs named by CMS: 30 in 2024, 31 in 2023.

See all prescribing by Alexander Chen

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

How Alexander Francis Chen takes part in Medicare

Alexander Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Alexander Francis Chen received $1,963 in industry payments from 2021 to 2025

CMS Open Payments shows 39 general payments to Alexander Chen from 8 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 85% of the total. Abbvie Inc. paid the most, $815.

General payments to Alexander Chen by program year, 2021 to 2025

General payments to Alexander Chen by kind, 2021 to 2025

$2Kin total
  • Food and beverage$1,67285%
  • Travel and lodging$29115%

Companies that paid Alexander Chen the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Alexander Chen

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

Alexander Francis Chen graduated from Keck School of Medicine of USC

Alexander Chen graduated from Keck School of Medicine of USC in 2017.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Alexander Francis Chen accepts plans from 17 insurance carriers

Alexander Chen is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Kaiser Permanente
  • +9 more carriersWith a free account

Plan types Alexander Chen accepts, by number of carriers

  1. HMO11
  2. Medicare11
  3. PPO10
  4. POS7
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Alexander Francis Chen'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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 Alexander Francis Chen

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

What is Alexander Francis Chen's NPI number?

Alexander Francis Chen's NPI number is 1528594546. It was assigned on May 11, 2017, and it is active in the NPI Registry.

What does Alexander Francis Chen specialize in?

Alexander Francis Chen is an ophthalmologist in Harbor City, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Alexander Francis Chen practice?

Alexander Chen practices at 25825 South Vermont Avenue, Harbor City, CA 90710. Alexander Chen's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.

What is Alexander Francis Chen's office phone number?

The practice phone on file for Alexander Chen is (310) 325-5111.

What is Alexander Francis Chen's medical license number?

Alexander Chen holds California license A171467.

Which hospitals is Alexander Francis Chen affiliated with?

Alexander Chen practices at Kaiser Permanente South Bay Medical Center in Harbor City, California.

What medical group is Alexander Francis Chen part of?

Alexander Chen is linked to Southern California Permanente Medical Group.

Does Alexander Francis Chen accept Medicare?

Yes. CMS data shows Alexander Chen billed Medicare for 532 services in 2024, and Alexander Chen accepts Medicare assignment.

How many Medicare patients does Alexander Francis Chen see?

CMS counts 206 Medicare patients who saw Alexander Chen in 2024, with an average age of 72.

Is Alexander Francis Chen board certified?

Yes. Alexander Chen is board certified in ophthalmology by the American Board of Ophthalmology.

Show 6 more questionsShow fewer questions

What services does Alexander Francis Chen bill to Medicare?

In 2024, Alexander Chen's most billed Medicare services were office visit, established patient (99213), eye exam or test (92133) and office visit, established patient (99214).

Where did Alexander Francis Chen go to medical school?

Alexander Chen graduated from Keck School of Medicine of USC in 2017.

What drugs does Alexander Francis Chen prescribe most?

In 2024 Medicare Part D data, Alexander Chen's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.

Has Alexander Francis Chen received payments from drug or device companies?

CMS Open Payments shows $1,963 in general payments to Alexander Chen from 8 companies from 2021 to 2025. The largest total came from Abbvie Inc.

How long has Alexander Francis Chen been practicing?

Alexander Chen graduated from medical school in 2017, 9 years ago.

What insurance does Alexander Francis Chen accept?

Alexander Chen is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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