Dr. James Yoss, MD
- Medicare services, 2024
- 843
- Medicare patients, 2024
- 182
- Part D claims, 2024
- 3,190
- Industry payments
- $8,061
- Affiliated sites
- 1
- Practice address
- 450 Stanyan St, San Francisco, CA 94117
- Practice phone
- Call (415) 353-4739
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSF St Mary's Hospital
San Francisco, California
Find Dr. Yoss' 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. James Yoss is an internist in San Francisco, California
Dr. Yoss practices at UCSF St Mary's Hospital in San Francisco, California.
Dr. Yoss' NPI, 1932107109, was assigned on July 12, 2005. Dr. Yoss graduated from University Of Minnesota Medical School in 1986. Dr. Yoss holds California license G61346.
- NPI
- 1932107109NPI Registry (opens in a new tab)
- NPI enumeration date
- July 12, 2005
- NPI status
- Active
- Practice phone
- (415) 353-4739
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. James Yoss practices at UCSF St Mary's Hospital in San Francisco, California
Dr. Yoss' primary practice is UCSF St Mary's Hospital, at 450 Stanyan St, San Francisco, CA 94117 in San Francisco County. The practice phone is (415) 353-4739.
- UCSF St Mary's Hospital450 Stanyan St, San Francisco, CA 94117 · San Francisco CountyPhone(415) 353-4739
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James Yoss is affiliated with 2 sites of care and 1 medical group
Dr. Yoss' primary practice is UCSF St Mary's Hospital in San Francisco, California. The medical group on file is Mercy Doctors Medical Group. Dmand AI also links Dr. Yoss to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James Yoss' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yoss practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF St Mary's Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Yoss is one of 16,751 internists in California
Internal medicine is Dr. Yoss' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yoss is board certified in internal medicine by the American Board of Internal Medicine. Dr. Yoss is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, acute skin infection, anxiety, atrial fibrillation and flutter, chronic diabetes, chronic hypertension and conjunctivitis among the conditions Dr. Yoss treats.
Internists near Dr. Yoss
Counts of internists 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. James Yoss billed Medicare for 843 services in 2024
CMS data shows 843 Medicare services from Dr. Yoss across 9 procedure codes in 2024, for 182 Medicare patients. Medicare paid $68,217 for them. Every service was in an office.
Dr. Yoss' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4882024: 4606%
- Other services
- 2023: 1042024: 350237%
- Tests and treatments
- 2023: 342024: 333%
Dr. Yoss compared with the California median for internists, 2024
- Dr. Yoss
- California median
- Medicare services
- 843vs 3612.3 times
- Medicare patients
- 182vs 15121% above
- Part D claims
- 2,721vs 4216.5 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Yoss' most billed Medicare procedure codes, 2024
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. Yoss?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yoss and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Yoss treated 182 Medicare patients in 2024, average age 76
CMS counts 182 Medicare patients who saw Dr. Yoss in 2024. The largest group is 65 to 74, with 82 patients. 75% of them have high blood pressure, and 69% have high cholesterol. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yoss' median patient age at 62, with 33% women.
Dr. Yoss' Medicare patients by age, 2024
Dr. Yoss' Medicare patients by sex, 2024
- Women7038%
- Men11262%
Chronic conditions among Dr. Yoss' Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis40%
- Mood disorders23%
- Atrial fibrillation20%
- Depression19%
- Anxiety15%
- Diabetes15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yoss' 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
- Women33%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Yoss wrote 3,190 Medicare Part D claims in 2024
In 2024, Dr. Yoss wrote 3,190 Medicare Part D claims for 296 patients. 90% of them were for generic drugs. CMS names the drug for 2,721 of them, across 68 drugs with 11 or more claims each, at $190,051 in total drug cost. In 2023, CMS named 2,774 claims across 69 drugs.
Dr. Yoss' Part D claims by kind of drug, 2024
- Generic2,886 claims90%
- Brand-name and other304 claims10%
Dr. Yoss' 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. Yoss' Part D claims, 2024
- Opioids1%40 of 3,190 claims
- Antibiotics2%62 of 3,190 claims
- Antipsychotics, patients 65 and over1%24 of 3,190 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: 2,7742024: 2,7212%
Drugs named by CMS: 68 in 2024, 69 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. James Yoss received $8,061 in industry payments from 2016 to 2025
CMS Open Payments shows 412 general payments to Dr. Yoss from 37 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $2,188.
General payments to Dr. Yoss by program year, 2016 to 2025
General payments to Dr. Yoss by kind, 2016 to 2025
- Food and beverage$8,051100%
- Education$90%
Companies that paid Dr. Yoss the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Yoss has 1 award and honors on record
Dmand AI lists 1 award for Dr. Yoss, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Yoss
- 2012
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. James Yoss graduated from University Of Minnesota Medical School
Dr. Yoss graduated from University Of Minnesota Medical School in 1986.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. James Yoss accepts plans from 11 insurance carriers
Dr. Yoss is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +3 more carriersWith a free account
Plan types Dr. Yoss accepts, by number of carriers
- Medicare8
- PPO7
- POS4
- HMO3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. James Yoss'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. James Yoss
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. James Yoss' NPI number?
Dr. James Yoss' NPI number is 1932107109. It was assigned on July 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James Yoss?
Dr. James Yoss is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. James Yoss practice?
Dr. Yoss practices at 450 Stanyan St, San Francisco, CA 94117. Dr. Yoss' primary practice is UCSF St Mary's Hospital in San Francisco, California. Dmand AI also links Dr. Yoss to 1 group practice or clinic.
What is Dr. James Yoss' office phone number?
The practice phone on file for Dr. Yoss is (415) 353-4739.
What is Dr. James Yoss' medical license number?
Dr. Yoss holds California license G61346.
What medical group is Dr. James Yoss part of?
Dr. Yoss is linked to Mercy Doctors Medical Group.
Does Dr. James Yoss accept Medicare?
Yes. CMS data shows Dr. Yoss billed Medicare for 843 services in 2024.
How many Medicare patients does Dr. James Yoss see?
CMS counts 182 Medicare patients who saw Dr. Yoss in 2024, with an average age of 76.
Is Dr. James Yoss board certified?
Yes. Dr. Yoss is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. James Yoss bill to Medicare?
In 2024, Dr. Yoss' most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).
Show 5 more questionsShow fewer questions
Where did Dr. James Yoss go to medical school?
Dr. Yoss graduated from University Of Minnesota Medical School in 1986.
What drugs does Dr. James Yoss prescribe most?
In 2024 Medicare Part D data, Dr. Yoss' most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. James Yoss received payments from drug or device companies?
CMS Open Payments shows $8,061 in general payments to Dr. Yoss from 37 companies from 2016 to 2025. The largest total came from ViiV Healthcare Company.
How long has Dr. James Yoss been practicing?
Dr. Yoss graduated from medical school in 1986, 40 years ago.
What insurance does Dr. James Yoss accept?
Dr. Yoss is in network with 11 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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