Anti-HIV AgentsFocus GroupsHIV Infections
Dr. Catherine Koss, MD
NPI1861727950
- Medicare services, 2018
- 25
- Part D claims, 2024
- 1,290
- Publications
- 54
- Hospital affiliations
- 1
- Industry payments
- $114
- Practice address
- 1001 Potrero Avenue, San Francisco, CA 94110
- Practice phone
- Call (415) 206-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Koss' 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. Catherine Koss is an infectious disease specialist in San Francisco, California
Dr. Koss practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA.
Dr. Koss' NPI, 1861727950, was assigned on October 8, 2009. Dr. Koss graduated from Feinberg School of Medicine in 2009. Dr. Koss holds California license A115493.
NPI and contact details
- NPI
- 1861727950NPI Registry (opens in a new tab)
- NPI enumeration date
- October 8, 2009
- NPI status
- Active
- Practice phone
- (415) 206-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Catherine Koss practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California
Dr. Koss' primary practice is Zuckerberg San Francisco General Hospital and Trauma Center, at 1001 Potrero Avenue, San Francisco, CA 94110 in San Francisco County. The practice phone is (415) 206-8000.
- Zuckerberg San Francisco General Hospital and Trauma Center1001 Potrero Avenue, San Francisco, CA 94110 · San Francisco CountyPhone(415) 206-8000
Source: Dmand AI Affiliation Data
Dr. Catherine Koss is affiliated with 2 sites of care and 2 medical groups
Dr. Koss' primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. The medical group on file is UCSF Department of Radiology & Biomedical Imaging. Dmand AI also links Dr. Koss to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Koss' employer is on file too: a hospital.
UCSF Department of Radiology & Biomedical Imaging1 group practice or clinicName with a free account1 medical groupName with a free accountEmployer: hospitalName with a free account
See all 4 affiliations for Dr. KossSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Catherine Koss' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koss practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Zuckerberg San Francisco General Hospital and Trauma Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Catherine Koss is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Koss' primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Koss is board certified in infectious disease by the American Board of Internal Medicine. Dr. Koss is licensed in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Infectious disease specialists near Dr. Koss
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
1,054infectious disease specialists in California90infectious disease specialists in San Francisco22infectious disease specialists at Zuckerberg San Francisco General Hospital and Trauma Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Catherine Koss billed Medicare for 25 services in 2018
CMS data shows 25 Medicare services from Dr. Koss across 1 procedure code in 2018. Medicare paid $1,521 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201825
Paid by Medicare$1,521
Procedure codes1
Dr. Koss' Medicare services by type, 2016 to 2018
- 2016
- 2018
- Office and hospital visits
- 2016: 322018: 2522%
Dr. Koss compared with the California median for infectious disease specialists, 2018
- Dr. Koss
- California median
- Medicare services
- 25vs 42994% below
- Part D claims
- 1,046vs 1198.8 times
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Koss' most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Koss?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Koss and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine Koss' patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Koss' median patient age at 61, with 0% women.
Dr. Koss' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Catherine Koss wrote 1,290 Medicare Part D claims in 2024
In 2024, Dr. Koss wrote 1,290 Medicare Part D claims for 39 patients. 74% of them were for generic drugs. CMS names the drug for 1,046 of them, across 40 drugs with 11 or more claims each, at $673,198 in total drug cost. In 2023, CMS named 1,019 claims across 46 drugs.
Part D claims, 20241,290
Drugs named by CMS40
Total drug cost$673,198
Part D patients39
Dr. Koss' Part D claims by kind of drug, 2024
- Generic954 claims74%
- Brand-name and other336 claims26%
Dr. Koss' 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. Koss' Part D claims, 2024
- Opioids6%83 of 1,290 claims
- Antibiotics1%11 of 1,290 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: 1,0192024: 1,0463%
Drugs named by CMS: 40 in 2024, 46 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
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Dr. Catherine Koss has 54 publications on record
Dmand AI links 54 papers to Dr. Koss, published from 2012 to 2025. 2019 was the busiest year, with 5. The most frequent topics are HIV Infections, Uganda and Anti-HIV Agents. Dr. Koss has published most often in Clin Infect Dis. Dr. Koss' most frequent co-authors are Diane V. Havlir, MD, Gabriel Chamie, MD and Monica Gandhi, MD.
Papers54
Years published2012 to 2025
Dr. Koss' papers by year, 2015 to 2025
Topics Dr. Koss writes about most
- HIV Infections
- Uganda
- Anti-HIV Agents
- Pre-Exposure Prophylaxis
- Kenya
- Rural Population
- Medication Adherence
- Tenofovir
Dr. Koss' most frequent co-authors
- Diane V. Havlir, MD15 shared papers
- Gabriel Chamie, MD9 shared papers
- Monica Gandhi, MD7 shared papers
Recent publications by Dr. Koss
Curr Opin HIV AIDS
Anti-HIV AgentsDiketopiperazinesHIV Infections
Anti-HIV AgentsDiketopiperazinesHIV Infections
See who Dr. Koss researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Koss works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Catherine Koss received $114 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Koss from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $114.
Companies that paid Dr. Koss the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Catherine Koss graduated from Feinberg School of Medicine
Dr. Koss graduated from Feinberg School of Medicine in 2009.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Catherine Koss accepts plans from 2 insurance carriers
Dr. Koss is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Koss accepts, by number of carriers
- Medicare2
- PPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Catherine Koss'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Catherine Koss
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. Catherine Koss' NPI number?
Dr. Catherine Koss' NPI number is 1861727950. It was assigned on October 8, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Koss?
Dr. Catherine Koss is an infectious disease specialist in San Francisco, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Catherine Koss practice?
Dr. Koss practices at 1001 Potrero Avenue, San Francisco, CA 94110. Dr. Koss' primary practice is Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California, part of City and County of San Francisco, CA. Dmand AI also links Dr. Koss to 1 group practice or clinic and 1 medical group.
What is Dr. Catherine Koss' office phone number?
The practice phone on file for Dr. Koss is (415) 206-8000.
What is Dr. Catherine Koss' medical license number?
Dr. Koss holds California license A115493.
Which hospitals is Dr. Catherine Koss affiliated with?
Dr. Koss practices at Zuckerberg San Francisco General Hospital and Trauma Center in San Francisco, California.
What medical group is Dr. Catherine Koss part of?
Dr. Koss is linked to UCSF Department of Radiology & Biomedical Imaging. Dmand AI links Dr. Koss to 1 more medical group.
Does Dr. Catherine Koss accept Medicare?
Yes. CMS data shows Dr. Koss billed Medicare for 25 services in 2018.
Is Dr. Catherine Koss board certified?
Yes. Dr. Koss is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Catherine Koss bill to Medicare?
In 2018, Dr. Koss' most billed Medicare services were hospital inpatient care (99232).
Show 7 more questionsShow fewer questions
Where did Dr. Catherine Koss go to medical school?
Dr. Koss graduated from Feinberg School of Medicine in 2009.
What drugs does Dr. Catherine Koss prescribe most?
In 2024 Medicare Part D data, Dr. Koss' most prescribed drugs by claims were Atorvastatin Calcium, Tivicay and Descovy.
Has Dr. Catherine Koss received payments from drug or device companies?
CMS Open Payments shows $114 in general payments to Dr. Koss from 1 company from 2017 to 2017. The largest total came from Gilead Sciences, Inc.
How long has Dr. Catherine Koss been practicing?
Dr. Koss graduated from medical school in 2009, 17 years ago.
Does Dr. Catherine Koss do research?
Dmand AI links 54 publications to Dr. Koss, published from 2012 to 2025.
Who does Dr. Catherine Koss publish with?
Dr. Koss' most frequent co-authors are Diane V. Havlir, MD (15 shared papers), Gabriel Chamie, MD (9 shared papers) and Monica Gandhi, MD (7 shared papers).
What insurance does Dr. Catherine Koss accept?
Dr. Koss is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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