Dr. David S. Marlin, MD

  • Pasadena, CA
  • Ophthalmologist
NPI1346317237
Medicare services, 2019
17
Part D claims, 2022
245
Industry payments
$352
Affiliated sites
1
Medical group
1
Practice address
126 W Del Mar Blvd, Pasadena, CA 91105
Practice phone
Call (323) 224-7111
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

USC Endocrine Services Laboratory

Pasadena, California

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Dr. David S. Marlin is an ophthalmologist in Pasadena, California

Dr. Marlin practices at USC Endocrine Services Laboratory in Pasadena, California.

Dr. Marlin's NPI, 1346317237, was assigned on November 29, 2006. Dr. Marlin graduated from SUNY Upstate Medical University in 1982. Dr. Marlin holds California license G62561.

NPI and contact details
NPI enumeration date
November 29, 2006
NPI status
Active
Practice phone
(323) 224-7111
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1982

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

Dr. David S. Marlin practices at USC Endocrine Services Laboratory in Pasadena, California

Dr. Marlin's primary practice is USC Endocrine Services Laboratory, at 126 W Del Mar Blvd, Pasadena, CA 91105 in Los Angeles County. The practice phone is (323) 224-7111.

  • USC Endocrine Services Laboratory
    126 W Del Mar Blvd, Pasadena, CA 91105 · Los Angeles CountyPhone(323) 224-7111

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

Dr. David S. Marlin is affiliated with 2 sites of care and 1 medical group

Dr. Marlin's primary practice is USC Endocrine Services Laboratory in Pasadena, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Marlin to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Marlin

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

Dmand AI tracks the EHR system at Dr. David S. Marlin's practice

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

EHR by site
SiteEHR vendor and product
USC Endocrine Services LaboratoryAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David S. Marlin is one of 2,621 ophthalmologists in California

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

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense G62561 · 1988 to 2026 · taxonomy 207W00000X

Ophthalmologists near Dr. Marlin

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. David S. Marlin billed Medicare for 17 services in 2019

CMS data shows 17 Medicare services from Dr. Marlin across 1 procedure code in 2019, all of them office visits. Medicare paid $689 for them. Every service was in an office.

Medicare services, 201917
Paid by Medicare$689
Procedure codes1

Dr. Marlin compared with the California median for ophthalmologists, 2019

  • Dr. Marlin
  • California median
Medicare services
17vs 1,07998% below
Part D claims
245vs 61860% below

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

Dr. Marlin's most billed Medicare procedure codes, 2019

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marlin and other ophthalmologists in California.

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

Dr. David S. Marlin's patients have a median age of 39

Across all payers, Dmand AI patient panel data puts Dr. Marlin's median patient age at 39, with 50% women.

Dr. Marlin's patients across all payers

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

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. David S. Marlin wrote 245 Medicare Part D claims in 2022

In 2022, Dr. Marlin wrote 245 Medicare Part D claims. They cover 5 drugs, with $5,423 in total drug cost. In 2021, CMS named 907 claims across 11 drugs.

Part D claims, 2022245
Drugs named by CMS5
Total drug cost$5,423

Dr. Marlin's most prescribed drugs by claims, 2022

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 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 9072022: 24573%

Drugs named by CMS: 5 in 2022, 11 in 2021.

See all prescribing by Dr. Marlin

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

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Dr. David S. Marlin received $352 in industry payments from 2016 to 2019

CMS Open Payments shows 6 general payments to Dr. Marlin from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $222.

General payments to Dr. Marlin by program year, 2016 to 2019

Companies that paid Dr. Marlin the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Marlin

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

Dr. David S. Marlin has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Marlin, most recently AAO Fellow in 2011.

Awards and honors for Dr. Marlin

  1. 2011
    • AAO Fellow
  2. Undated
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. David S. Marlin graduated from SUNY Upstate Medical University

Dr. Marlin graduated from SUNY Upstate Medical University in 1982. Dr. Marlin is a member of AAO.

  1. Medical schoolSUNY Upstate Medical University
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Sources for Dr. David S. Marlin'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 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
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. David S. Marlin

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. David S. Marlin's NPI number?

Dr. David S. Marlin's NPI number is 1346317237. It was assigned on November 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David S. Marlin?

Dr. David S. Marlin is an ophthalmologist in Pasadena, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. David S. Marlin practice?

Dr. Marlin practices at 126 W Del Mar Blvd, Pasadena, CA 91105. Dr. Marlin's primary practice is USC Endocrine Services Laboratory in Pasadena, California. Dmand AI also links Dr. Marlin to 1 group practice or clinic.

What is Dr. David S. Marlin's office phone number?

The practice phone on file for Dr. Marlin is (323) 224-7111.

What is Dr. David S. Marlin's medical license number?

Dr. Marlin holds California license G62561.

What medical group is Dr. David S. Marlin part of?

Dr. Marlin is linked to Southern California Permanente Medical Group.

Does Dr. David S. Marlin accept Medicare?

Yes. CMS data shows Dr. Marlin billed Medicare for 17 services in 2019.

Is Dr. David S. Marlin board certified?

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

What services does Dr. David S. Marlin bill to Medicare?

In 2019, Dr. Marlin's most billed Medicare services were office visit, established patient (99213).

Where did Dr. David S. Marlin go to medical school?

Dr. Marlin graduated from SUNY Upstate Medical University in 1982.

Show 3 more questionsShow fewer questions

What drugs does Dr. David S. Marlin prescribe most?

In 2022 Medicare Part D data, Dr. Marlin's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.

Has Dr. David S. Marlin received payments from drug or device companies?

CMS Open Payments shows $352 in general payments to Dr. Marlin from 2 companies from 2016 to 2019. The largest total came from Allergan Inc.

How long has Dr. David S. Marlin been practicing?

Dr. Marlin graduated from medical school in 1982, 44 years ago.

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