Am J Respir Crit Care Med
AsianEthnicityEurope
Dr. Brian S. Korotzer, MD
NPI1730256751PAC ID8921056136
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 897
- Publications
- 3
- Hospital affiliations
- 1
- Industry payments
- $682
- Practice address
- 9333 Imperial Highway, Downey, CA 90242
- Practice phone
- Call (562) 461-6007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Korotzer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Brian S. Korotzer is a pulmonologist in Downey, California
Dr. Korotzer practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.
Dr. Korotzer's NPI, 1730256751, was assigned on November 29, 2006. Dr. Korotzer graduated from UC Irvine School of Medicine in 1991. Dr. Korotzer holds California license G75184.
NPI and contact details
- NPI
- 1730256751NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921056136
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 461-6007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian S. Korotzer practices at Downey Medical Center in Downey, California
Dr. Korotzer's primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.
- Downey Medical Center9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007
Source: Dmand AI Affiliation Data
Dr. Brian S. Korotzer is affiliated with 3 sites of care and 1 medical group
Dr. Korotzer's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Korotzer to 1 more breast imaging center and 1 group practice or clinic, each named with a free account.
Southern California Permanente Medical Group1 breast imaging centerName with a free account1 group practice or clinicName with a free account
See all 4 affiliations for Dr. KorotzerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian S. Korotzer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Korotzer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Downey Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Brian S. Korotzer is one of 1,339 pulmonologists in California
Pulmonary disease is Dr. Korotzer's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Korotzer is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Korotzer is licensed in California.
Specialties and state licenses
- Pulmonary disease, CaliforniaPrimary
Pulmonologists near Dr. Korotzer
Counts of pulmonologists 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. Brian S. Korotzer treated 12 Medicare patients in 2024, average age 74
CMS counts 12 Medicare patients who saw Dr. Korotzer in 2024. 75% of them have high blood pressure. Their average risk score is 5.96, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Korotzer's median patient age at 62, with 48% women.
Medicare patients, 202412
Average age74
Average risk score5.96
Chronic conditions among Dr. Korotzer's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Korotzer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian S. Korotzer wrote 897 Medicare Part D claims in 2024
In 2024, Dr. Korotzer wrote 897 Medicare Part D claims for 169 patients. 61% of them were for generic drugs. CMS names the drug for 774 of them, across 23 drugs with 11 or more claims each, at $815,299 in total drug cost. In 2023, CMS named 661 claims across 20 drugs.
Part D claims, 2024897
Drugs named by CMS23
Total drug cost$815,299
Part D patients169
Dr. Korotzer's Part D claims by kind of drug, 2024
- Generic546 claims61%
- Brand-name351 claims39%
Dr. Korotzer'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.
Drug classes CMS tracks in Dr. Korotzer's Part D claims, 2024
- Antibiotics11%101 of 897 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6612024: 77417%
Drugs named by CMS: 23 in 2024, 20 in 2023.
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 Dr. Brian S. Korotzer takes part in Medicare
Dr. Korotzer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Brian S. Korotzer has 3 publications on record
Dmand AI links 3 papers to Dr. Korotzer. Dr. Korotzer's most frequent co-authors are Smita A. Desai, DO, Michael Keith Gould, MD, MS and Deborah Mitsuko Kado, MD.
Papers3
Dr. Korotzer's most frequent co-authors
- Smita A. Desai, DO1 shared paper
- Michael Keith Gould, MD, MS1 shared paper
- Deborah Mitsuko Kado, MD1 shared paper
Recent publications by Dr. Korotzer
Ann Am Thorac Soc
Exercise TherapyMotor ActivityPatient Readmission
Anemia, HemolyticHIV-1HIV Infections
See who Dr. Korotzer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Korotzer works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brian S. Korotzer received $682 in industry payments in 2019
CMS Open Payments shows 6 general payments to Dr. Korotzer from 1 drug or device company in 2019. Travel and lodging make up the largest share, 92% of the total. Intuitive Surgical, Inc. paid the most, $682.
General payments to Dr. Korotzer by kind, 2019 to 2019
$682in total
- Travel and lodging$62692%
- Food and beverage$558%
Companies that paid Dr. Korotzer the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian S. Korotzer graduated from UC Irvine School of Medicine
Dr. Korotzer graduated from UC Irvine School of Medicine in 1991.
- Medical school
- Board certified in critical care medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. Brian S. Korotzer accepts plans from 1 insurance carrier
Dr. Korotzer is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Brian S. Korotzer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brian S. Korotzer
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 S. Korotzer's NPI number?
Dr. Brian S. Korotzer's NPI number is 1730256751. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian S. Korotzer?
Dr. Brian S. Korotzer is a pulmonologist in Downey, California. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Brian S. Korotzer practice?
Dr. Korotzer practices at 9333 Imperial Highway, Downey, CA 90242. Dr. Korotzer's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Dr. Korotzer to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Brian S. Korotzer's office phone number?
The practice phone on file for Dr. Korotzer is (562) 461-6007.
What is Dr. Brian S. Korotzer's medical license number?
Dr. Korotzer holds California license G75184.
Which hospitals is Dr. Brian S. Korotzer affiliated with?
Dr. Korotzer practices at Downey Medical Center in Downey, California.
What medical group is Dr. Brian S. Korotzer part of?
Dr. Korotzer is linked to Southern California Permanente Medical Group.
Does Dr. Brian S. Korotzer accept Medicare?
Yes. CMS lists Dr. Korotzer as accepting Medicare assignment.
How many Medicare patients does Dr. Brian S. Korotzer see?
CMS counts 12 Medicare patients who saw Dr. Korotzer in 2024, with an average age of 74.
Is Dr. Brian S. Korotzer board certified?
Yes. Dr. Korotzer is board certified in critical care medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
Where did Dr. Brian S. Korotzer go to medical school?
Dr. Korotzer graduated from UC Irvine School of Medicine in 1991.
What drugs does Dr. Brian S. Korotzer prescribe most?
In 2024 Medicare Part D data, Dr. Korotzer's most prescribed drugs by claims were Spiriva Respimat, Wixela Inhub and Albuterol Sulfate Hfa.
Has Dr. Brian S. Korotzer received payments from drug or device companies?
CMS Open Payments shows $682 in general payments to Dr. Korotzer from 1 company from 2019 to 2019. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Brian S. Korotzer been practicing?
Dr. Korotzer graduated from medical school in 1991, 35 years ago.
Does Dr. Brian S. Korotzer do research?
Dmand AI links 3 publications to Dr. Korotzer.
Who does Dr. Brian S. Korotzer publish with?
Dr. Korotzer's most frequent co-authors are Smita A. Desai, DO (1 shared paper), Michael Keith Gould, MD, MS (1 shared paper) and Deborah Mitsuko Kado, MD (1 shared paper).
What insurance does Dr. Brian S. Korotzer accept?
Dr. Korotzer is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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