Dr. Michael A. Kass, MD

  • MO
  • Ophthalmologist
NPI1164440657
Medicare services, 2020
122
Part D claims, 2021
104
Publications
22
Industry payments
$149
Affiliated sites
1
Practice address
4901 Forest Park Ave Suite 241 Suite 241, Saint Louis, MO 63108-1453
Practice phone
Call (314) 286-0200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Washington University - OB/GYN & Women's Health - Saint Louis (Forest Park Ave)

Multi-specialty group site · Saint Louis, Missouri

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Dr. Michael A. Kass is an ophthalmologist in Missouri

Dr. Kass practices at Washington University - OB/GYN & Women's Health - Saint Louis (Forest Park Ave) in Saint Louis, Missouri.

Dr. Kass' NPI, 1164440657, was assigned on July 17, 2006. Dr. Kass holds Missouri license R4306.

NPI and contact details
NPI enumeration date
July 17, 2006
NPI status
Active
Practice phone
(314) 286-0200
Professional email
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Personal email
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Mobile number
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Sex
Male

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

Dr. Michael A. Kass practices at Washington University - OB/GYN & Women's Health - Saint Louis (Forest Park Ave) in Saint Louis, Missouri

Dr. Kass' primary practice is Washington University - OB/GYN & Women's Health - Saint Louis (Forest Park Ave), at 4901 Forest Park Ave Suite 241 Suite 241, Saint Louis, MO 63108-1453. The practice phone is (314) 286-0200.

  • Washington University - OB/GYN & Women's Health - Saint Louis (Forest Park Ave)
    4901 Forest Park Ave Suite 241 Suite 241, Saint Louis, MO 63108-1453Phone(314) 286-0200

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael A. Kass is affiliated with 1 site of care and 1 medical group

Dr. Kass' primary practice is Washington University - OB/GYN & Women's Health - Saint Louis (Forest Park Ave) in Saint Louis, Missouri. The medical group on file is WashU Medicine Psychiatry.

Washington University - OB/GYN & Women's Health - Saint Louis (Forest Park Ave)Multi-specialty group site · Saint Louis, MissouriPrimary
WashU Medicine PsychiatryPrimary care group, Saint Louis, MO

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Michael A. Kass' practice

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

EHR by site
SiteEHR vendor and product
Washington University - OB/GYN & Women's Health - Saint Louis (Forest Park Ave)Available with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael A. Kass is one of 270 ophthalmologists in Missouri

Ophthalmology is Dr. Kass' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Kass is licensed in Missouri.

Specialties and state licenses

  • Ophthalmology, MissouriPrimaryLicense R4306 · taxonomy 207W00000X

Ophthalmologists near Dr. Kass

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. Michael A. Kass billed Medicare for 122 services in 2020

CMS data shows 122 Medicare services from Dr. Kass across 4 procedure codes in 2020. Medicare paid $4,269 for them. Every service was in an office.

Medicare services, 2020122
Paid by Medicare$4,269
Procedure codes4

Dr. Kass' Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Tests and treatments
2019: 6482020: 12281%
Office and hospital visits
2019: 542020: 0100%

Dr. Kass compared with the Missouri median for ophthalmologists, 2020

  • Dr. Kass
  • Missouri median
Medicare services
122vs 1,58292% below
Part D claims
104vs 70385% below

Medians across 286 ophthalmologists in Missouri with Dmand AI profiles that report each measure.

Dr. Kass' most billed Medicare procedure codes, 2020

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

Dr. Michael A. Kass' patients have a median age of 75

Across all payers, Dmand AI patient panel data puts Dr. Kass' median patient age at 75, with 20% women.

Dr. Kass' patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women20%
  • Men80%

Source: Dmand AI Patient Panel Data

Dr. Michael A. Kass wrote 104 Medicare Part D claims in 2021

In 2021, Dr. Kass wrote 104 Medicare Part D claims. They cover 4 drugs, with $2,337 in total drug cost. In 2020, CMS named 1,534 claims across 19 drugs.

Part D claims, 2021104
Drugs named by CMS4
Total drug cost$2,337

Dr. Kass' most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 1,5342021: 10493%

Drugs named by CMS: 4 in 2021, 19 in 2020.

See all prescribing by Dr. Kass

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

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Dr. Michael A. Kass has 22 publications on record

Dmand AI links 22 papers to Dr. Kass, published from 2021 to 2024. 2022 was the busiest year, with 5. The most frequent topics are Intraocular Pressure, Ocular Hypertension and Glaucoma, Open-Angle. Dr. Kass has published most often in JAMA Ophthalmol. Dr. Kass' most frequent co-authors are Jeffrey M. Liebmann, MD, James David Brandt, MD and Janey L. Wiggs, MD.

Papers22
Years published2021 to 2024

Dr. Kass' papers by year, 2021 to 2024

Topics Dr. Kass writes about most

  • Intraocular Pressure
  • Ocular Hypertension
  • Glaucoma, Open-Angle
  • Visual Fields
  • Visual Field Tests
  • Glaucoma
  • Antihypertensive Agents
  • Optic Disk

Dr. Kass' most frequent co-authors

Recent publications by Dr. Kass

See all 22 publications and co-authors

See who Dr. Kass researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kass 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

Dr. Michael A. Kass received $149 in industry payments from 2016 to 2017

CMS Open Payments shows 2 general payments to Dr. Kass from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $130.

General payments to Dr. Kass by program year, 2016 to 2017

Companies that paid Dr. Kass the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Kass

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

Sources for Dr. Michael A. Kass'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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)
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)
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. Michael A. Kass

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. Michael A. Kass' NPI number?

Dr. Michael A. Kass' NPI number is 1164440657. It was assigned on July 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael A. Kass?

Dr. Michael A. Kass is an ophthalmologist in Missouri. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Michael A. Kass practice?

Dr. Kass practices at 4901 Forest Park Ave Suite 241 Suite 241, Saint Louis, MO 63108-1453. Dr. Kass' primary practice is Washington University - OB/GYN & Women's Health - Saint Louis (Forest Park Ave) in Saint Louis, Missouri.

What is Dr. Michael A. Kass' office phone number?

The practice phone on file for Dr. Kass is (314) 286-0200.

What is Dr. Michael A. Kass' medical license number?

Dr. Kass holds Missouri license R4306.

What medical group is Dr. Michael A. Kass part of?

Dr. Kass is linked to WashU Medicine Psychiatry.

Does Dr. Michael A. Kass accept Medicare?

Yes. CMS data shows Dr. Kass billed Medicare for 122 services in 2020.

What services does Dr. Michael A. Kass bill to Medicare?

In 2020, Dr. Kass' most billed Medicare services were eye exam or test (92012), eye exam or test (92083) and eye exam or test (92014).

What drugs does Dr. Michael A. Kass prescribe most?

In 2021 Medicare Part D data, Dr. Kass' most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Dorzolamide-Timolol.

Has Dr. Michael A. Kass received payments from drug or device companies?

CMS Open Payments shows $149 in general payments to Dr. Kass from 2 companies from 2016 to 2017. The largest total came from Glaukos Corporation.

Show 3 more questionsShow fewer questions

How long has Dr. Michael A. Kass been practicing?

Dr. Kass' NPI was assigned in 2006.

Does Dr. Michael A. Kass do research?

Dmand AI links 22 publications to Dr. Kass, published from 2021 to 2024.

Who does Dr. Michael A. Kass publish with?

Dr. Kass' most frequent co-authors are Jeffrey M. Liebmann, MD (5 shared papers), James David Brandt, MD (4 shared papers) and Janey L. Wiggs, MD (4 shared papers).

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