Dr. Dana M. Larsen, MD

  • San Francisco, CA
  • Nephrologist
NPI1497275630PAC ID2860765401
Medicare services, 2024
267
Medicare patients, 2024
102
Part D claims, 2024
292
Publications
7
MIPS score, 2024
100
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 8 affiliations

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Dr. Dana M. Larsen is a nephrologist in San Francisco, California

Dr. Larsen practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Larsen's NPI, 1497275630, was assigned on June 20, 2017. Dr. Larsen graduated from Baylor College Of Medicine in 2017. Dr. Larsen holds California license A169280.

NPI and contact details
Medicare PAC ID
2860765401
NPI enumeration date
June 20, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
35
Medical school graduation
2017

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

Dr. Dana M. Larsen practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Larsen's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Dr. Dana M. Larsen is affiliated with 4 sites of care and 4 medical groups

Dr. Larsen's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Larsen to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 8 affiliations for Dr. Larsen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Dana M. Larsen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larsen practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Dana M. Larsen is one of 1,401 nephrologists in California

Nephrology is Dr. Larsen's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Larsen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Larsen's licenses on file in 2 states: California and Massachusetts.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A169280 · 2020 to 2026 · taxonomy 207RN0300X
  • Internal medicine, MassachusettsLicense 271073 · 2017 to 2020 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute kidney failure and chronic kidney disease among the conditions Dr. Larsen treats.

Nephrologists near Dr. Larsen

Counts of nephrologists 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. Dana M. Larsen billed Medicare for 267 services in 2024

CMS data shows 267 Medicare services from Dr. Larsen across 7 procedure codes in 2024, for 102 Medicare patients. Medicare paid $23,135 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024267
Medicare patients102
Paid by Medicare$23,135
Procedure codes7

Dr. Larsen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2592024: 20421%
Other services
2023: 332024: 6391%
Tests and treatments
2023: 372024: 0100%

Dr. Larsen compared with the California median for nephrologists, 2024

  • Dr. Larsen
  • California median
Medicare services
267vs 1,08475% below
Medicare patients
102vs 30767% below
Part D claims
197vs 95579% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Larsen's 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.

See all procedures by Dr. Larsen

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

Dr. Dana M. Larsen treated 102 Medicare patients in 2024, average age 74

CMS counts 102 Medicare patients who saw Dr. Larsen in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 39% are also on Medicaid. Their average risk score is 3.93, 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. Larsen's median patient age at 76, with 50% women.

Medicare patients, 2024102
Average age74
Average risk score3.93
Also on Medicaid39%

Dr. Larsen's Medicare patients by age, 2024

Dr. Larsen's Medicare patients by sex, 2024

  • Women4847%
  • Men5453%

Chronic conditions among Dr. Larsen's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes50%
  5. Heart failure43%
  6. Ischemic heart disease38%
  7. Arthritis36%
  8. Mood disorders33%

Share of Medicare patients with each condition. A patient can have several.

Dr. Larsen's patients across all payers

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

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women50%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Dana M. Larsen wrote 292 Medicare Part D claims in 2024

In 2024, Dr. Larsen wrote 292 Medicare Part D claims for 50 patients. 80% of them were for generic drugs. CMS names the drug for 197 of them, across 10 drugs with 11 or more claims each, at $35,234 in total drug cost. In 2023, CMS named 65 claims across 4 drugs.

Part D claims, 2024292
Drugs named by CMS10
Total drug cost$35,234
Part D patients50

Dr. Larsen's Part D claims by kind of drug, 2024

  • Generic233 claims80%
  • Brand-name59 claims20%

Dr. Larsen'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 652024: 197203%

Drugs named by CMS: 10 in 2024, 4 in 2023.

See all prescribing by Dr. Larsen

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

Dr. Dana M. Larsen scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Larsen for performance year 2024, reported as part of a group. Dr. Larsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Larsen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Larsen's MIPS scores, performance year 2024

  • 100of 100Final score
  • 95of 100Quality
  • 40of 100Improvement Activities
  • 81of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Dana M. Larsen has 7 publications on record

Dmand AI links 7 papers to Dr. Larsen, published from 2019 to 2023. 2019 was the busiest year, with 2. Dr. Larsen has published most often in J Gen Intern Med. Dr. Larsen's most frequent co-authors are Michelle Mae Estrella, MD, Karen E. Hauer, MD and Dana Larsen, MD.

Papers7
Years published2019 to 2023

Dr. Larsen's papers by year, 2019 to 2023

Dr. Larsen's most frequent co-authors

Recent publications by Dr. Larsen

See all 7 publications and co-authors

See who Dr. Larsen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Larsen works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Dana M. Larsen graduated from Baylor College Of Medicine

Dr. Larsen graduated from Baylor College Of Medicine in 2017.

  1. Medical schoolBaylor College Of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Dana M. Larsen accepts plans from 6 insurance carriers

Dr. Larsen is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare
  • Molina

Plan types Dr. Larsen accepts, by number of carriers

  1. Medicare6
  2. PPO4
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Dana M. Larsen'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 Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Dana M. Larsen

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. Dana M. Larsen's NPI number?

Dr. Dana M. Larsen's NPI number is 1497275630. It was assigned on June 20, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Dana M. Larsen?

Dr. Dana M. Larsen is a nephrologist in San Francisco, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Dana M. Larsen practice?

Dr. Larsen practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Larsen's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Larsen to 3 group practices and clinics and 3 medical groups.

What is Dr. Dana M. Larsen's office phone number?

The practice phone on file for Dr. Larsen is (415) 353-2733.

What is Dr. Dana M. Larsen's medical license number?

Dr. Larsen holds California license A169280, one of the licenses on file in 2 states.

Which states has Dr. Dana M. Larsen been licensed in?

Dmand AI has state licenses on file for Dr. Larsen in California (2020 to 2026) and Massachusetts (2017 to 2020).

Which hospitals is Dr. Dana M. Larsen affiliated with?

Dr. Larsen practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Dr. Dana M. Larsen part of?

Dr. Larsen is linked to UCSF Pediatrics. Dmand AI links Dr. Larsen to 3 more medical groups.

Does Dr. Dana M. Larsen accept Medicare?

Yes. CMS data shows Dr. Larsen billed Medicare for 267 services in 2024, and Dr. Larsen accepts Medicare assignment.

Does Dr. Dana M. Larsen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Larsen as offering telehealth services.

Show 10 more questionsShow fewer questions

What is Dr. Dana M. Larsen's MIPS score?

Dr. Larsen's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Dr. Dana M. Larsen see?

CMS counts 102 Medicare patients who saw Dr. Larsen in 2024, with an average age of 74.

Is Dr. Dana M. Larsen board certified?

Yes. Dr. Larsen is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Dana M. Larsen bill to Medicare?

In 2024, Dr. Larsen's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99233) and medicare service (G2211).

Where did Dr. Dana M. Larsen go to medical school?

Dr. Larsen graduated from Baylor College Of Medicine in 2017.

What drugs does Dr. Dana M. Larsen prescribe most?

In 2024 Medicare Part D data, Dr. Larsen's most prescribed drugs by claims were Losartan Potassium, Furosemide and Jardiance.

How long has Dr. Dana M. Larsen been practicing?

Dr. Larsen graduated from medical school in 2017, 9 years ago.

Does Dr. Dana M. Larsen do research?

Dmand AI links 7 publications to Dr. Larsen, published from 2019 to 2023.

Who does Dr. Dana M. Larsen publish with?

Dr. Larsen's most frequent co-authors are Michelle Mae Estrella, MD (1 shared paper), Karen E. Hauer, MD (1 shared paper) and Dana Larsen, MD (1 shared paper).

What insurance does Dr. Dana M. Larsen accept?

Dr. Larsen is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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