Dr. Brian Keith Estwick, MD

  • Culver City, CA
  • Ophthalmologist
NPI1003889247
Medicare services, 2022
424
Part D claims, 2023
247
Industry payments
$2,447
Affiliated sites
1
Insurance carriers
6
Practice address
4644 Lincoln Blvd Suite 430 Suite 430, Marina Del Rey, CA 90292
Practice phone
Call (310) 390-2420
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Brian Estwick MD

Physician office · Marina Del Rey, California

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Dr. Brian Keith Estwick is an ophthalmologist in Culver City, California

Dr. Estwick practices at Brian Estwick MD in Marina Del Rey, California.

Dr. Estwick's NPI, 1003889247, was assigned on February 8, 2006. Dr. Estwick graduated from The Johns Hopkins University School of Medicine in 1983. Dr. Estwick's California license number on file is A41775.

NPI and contact details
NPI enumeration date
February 8, 2006
NPI status
Active
Practice phone
(310) 390-2420
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

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

Dr. Brian Keith Estwick practices in Marina Del Rey and Culver City

Dr. Estwick's primary practice is Brian Estwick MD, at 4644 Lincoln Blvd Suite 430 Suite 430, Marina Del Rey, CA 90292. The practice phone is (310) 390-2420. The NPI Registry lists Dr. Estwick's practice address as 6101 W Centinela Ave, Culver City, CA 90230.

  • Brian Estwick MDPrimary
    4644 Lincoln Blvd Suite 430 Suite 430, Marina Del Rey, CA 90292Phone(310) 390-2420
  • NPI Registry address
    6101 W Centinela Ave, Culver City, CA 90230 · Los Angeles CountyPhone(310) 390-2420

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

Dr. Brian Keith Estwick is affiliated with 1 site of care

Dr. Estwick's primary practice is Brian Estwick MD in Marina Del Rey, California.

Brian Estwick MDPhysician office · Marina Del Rey, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Brian Keith Estwick's practice

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

EHR by site
SiteEHR vendor and product
Brian Estwick MDAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brian Keith Estwick is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Estwick's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Estwick is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Estwick has a license on file in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A41775 · 1985 to 2024 · taxonomy 207W00000X

Ophthalmologists near Dr. Estwick

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

2,621ophthalmologists in California
8ophthalmologists in Culver City

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Brian Keith Estwick billed Medicare for 424 services in 2022

CMS data shows 424 Medicare services from Dr. Estwick across 10 procedure codes in 2022. Medicare paid $33,861 for them. Every service was in an office.

Medicare services, 2022424
Paid by Medicare$33,861
Procedure codes10

Dr. Estwick's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Office and hospital visits
2021: 2382022: 26411%
Tests and treatments
2021: 1072022: 14031%
Imaging
2021: 02022: 20

Dr. Estwick compared with the California median for ophthalmologists, 2022

  • Dr. Estwick
  • California median
Medicare services
424vs 1,07961% below
Part D claims
247vs 61860% below

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

Dr. Estwick's most billed Medicare procedure codes, 2022

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 Dr. Estwick

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

Dr. Brian Keith Estwick's patients have a median age of 80

Across all payers, Dmand AI patient panel data puts Dr. Estwick's median patient age at 80, with 68% women.

Dr. Estwick's patients across all payers

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

Patient panel by age, all payers

Median age 80

Patient panel by sex, all payers

  • Women68%
  • Men32%

Source: Dmand AI Patient Panel Data

Dr. Brian Keith Estwick wrote 247 Medicare Part D claims in 2023

In 2023, Dr. Estwick wrote 247 Medicare Part D claims. They cover 6 drugs, with $21,601 in total drug cost. In 2022, CMS named 1,161 claims across 16 drugs.

Part D claims, 2023247
Drugs named by CMS6
Total drug cost$21,601

Dr. Estwick's most prescribed drugs by claims, 2023

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, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 1,1612023: 24779%

Drugs named by CMS: 6 in 2023, 16 in 2022.

See all prescribing by Dr. Estwick

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Brian Keith Estwick received $2,447 in industry payments from 2016 to 2022

CMS Open Payments shows 42 general payments to Dr. Estwick from 14 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 64% of the total. Alcon Laboratories Inc paid the most, $1,260.

General payments to Dr. Estwick by program year, 2016 to 2022

General payments to Dr. Estwick by kind, 2016 to 2022

$2.4Kin total
  • Food and beverage$1,57064%
  • Travel and lodging$83934%
  • Education$382%

Companies that paid Dr. Estwick the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Estwick

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

Dr. Brian Keith Estwick has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Estwick, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Estwick

  1. 2013
    • CMS Stage 1 EHR
  2. 2011
    • AAO Fellow

Source: Dmand AI Professional Profile Data

Dr. Brian Keith Estwick graduated from The Johns Hopkins University School of Medicine

Dr. Estwick graduated from The Johns Hopkins University School of Medicine in 1983. Dr. Estwick is a member of AAO.

  1. Medical schoolThe Johns Hopkins University School of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Brian Keith Estwick accepts plans from 6 insurance carriers

Dr. Estwick is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Humana and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans

Plan types Dr. Estwick accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. HMO3
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Brian Keith Estwick'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand 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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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 Dr. Brian Keith Estwick

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. Brian Keith Estwick's NPI number?

Dr. Brian Keith Estwick's NPI number is 1003889247. It was assigned on February 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Brian Keith Estwick?

Dr. Brian Keith Estwick is an ophthalmologist in Culver City, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Brian Keith Estwick practice?

Dr. Estwick practices at 4644 Lincoln Blvd Suite 430 Suite 430, Marina Del Rey, CA 90292. Dr. Estwick also practices at 6101 W Centinela Ave, Culver City, CA 90230. Dr. Estwick's primary practice is Brian Estwick MD in Marina Del Rey, California.

What is Dr. Brian Keith Estwick's office phone number?

The practice phone on file for Dr. Estwick is (310) 390-2420.

What is Dr. Brian Keith Estwick's medical license number?

Dr. Estwick's California license number on file is A41775.

Does Dr. Brian Keith Estwick accept Medicare?

Yes. CMS data shows Dr. Estwick billed Medicare for 424 services in 2022.

Is Dr. Brian Keith Estwick board certified?

Yes. Dr. Estwick is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. Brian Keith Estwick bill to Medicare?

In 2022, Dr. Estwick's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and eye exam or test (92250).

Where did Dr. Brian Keith Estwick go to medical school?

Dr. Estwick graduated from The Johns Hopkins University School of Medicine in 1983.

What drugs does Dr. Brian Keith Estwick prescribe most?

In 2023 Medicare Part D data, Dr. Estwick's most prescribed drugs by claims were Latanoprost, Dorzolamide HCl and Timolol Maleate.

Show 3 more questionsShow fewer questions

Has Dr. Brian Keith Estwick received payments from drug or device companies?

CMS Open Payments shows $2,447 in general payments to Dr. Estwick from 14 companies from 2016 to 2022. The largest total came from Alcon Laboratories Inc.

How long has Dr. Brian Keith Estwick been practicing?

Dr. Estwick graduated from medical school in 1983, 43 years ago.

What insurance does Dr. Brian Keith Estwick accept?

Dr. Estwick is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Humana and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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