Dr. Karin Gaensler, MD
- Medicare services, 2024
- 256
- Medicare patients, 2024
- 72
- Part D claims, 2024
- 208
- Publications
- 33
- MIPS score, 2024
- 100
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Gaensler'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. Karin Gaensler is a hematology (internal medicine) physician in San Francisco, California
Dr. Gaensler practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. Gaensler's NPI, 1609830215, was assigned on April 12, 2006. Dr. Gaensler graduated from Harvard Medical School in 1981. Dr. Gaensler holds California license G50093.
- NPI
- 1609830215NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800970211
- NPI enumeration date
- April 12, 2006
- 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
- Get number
- Sex
- Female
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karin Gaensler practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. Gaensler'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.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Dr. Karin Gaensler is affiliated with 4 sites of care and 4 medical groups
Dr. Gaensler'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. Gaensler to 3 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karin Gaensler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gaensler practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karin Gaensler is one of 153 hematology (internal medicine) physicians in California
Internal medicine is Dr. Gaensler's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Dr. Gaensler is board certified in hematology by the American Board of Internal Medicine. Dr. Gaensler is licensed in California.
Specialties and state licenses
- Hematology (internal medicine), CaliforniaPrimary
Clinical focus
Dmand AI lists chronic leukemia, multiple myeloma, neutropenia and prostate cancer among the conditions Dr. Gaensler treats.
Hematology (internal medicine) physicians near Dr. Gaensler
Counts of hematology (internal medicine) physicians 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. Karin Gaensler billed Medicare for 256 services in 2024
CMS data shows 256 Medicare services from Dr. Gaensler across 3 procedure codes in 2024, for 72 Medicare patients. Medicare paid $17,704 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gaensler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1532024: 11922%
- Other services
- 2023: 02024: 103
- Surgery
- 2023: 222024: 3455%
Dr. Gaensler compared with the California median for hematology (internal medicine) physicians, 2024
- Dr. Gaensler
- California median
- Medicare services
- 256vs 37331% below
- Medicare patients
- 72vs 10934% below
- Part D claims
- 96vs 99Close to median
Medians across 139 hematology (internal medicine) physicians in California with Dmand AI profiles that report each measure.
Dr. Gaensler'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.
Need commercial claims for Dr. Gaensler?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gaensler and other hematology (internal medicine) physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karin Gaensler treated 72 Medicare patients in 2024, average age 72
CMS counts 72 Medicare patients who saw Dr. Gaensler in 2024. The largest group is 65 to 74, with 38 patients. 71% of them have high blood pressure, and 68% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.92, 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. Gaensler's median patient age at 65, with 38% women.
Dr. Gaensler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gaensler's Medicare patients by sex, 2024
- Women3244%
- Men4056%
Chronic conditions among Dr. Gaensler's Medicare patients, 2024
- High blood pressure71%
- High cholesterol68%
- Chronic kidney disease39%
- Arthritis38%
- Ischemic heart disease32%
- Atrial fibrillation26%
- Heart failure25%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gaensler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women38%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karin Gaensler wrote 208 Medicare Part D claims in 2024
In 2024, Dr. Gaensler wrote 208 Medicare Part D claims for 26 patients. 71% of them were for generic drugs. CMS names the drug for 96 of them, across 5 drugs with 11 or more claims each, at $182,705 in total drug cost. In 2023, CMS named 127 claims across 6 drugs.
Dr. Gaensler's Part D claims by kind of drug, 2024
- Generic148 claims71%
- Brand-name60 claims29%
Dr. Gaensler'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. Gaensler's Part D claims, 2024
- Antibiotics13%26 of 208 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: 1272024: 9624%
Drugs named by CMS: 5 in 2024, 6 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
Dr. Karin Gaensler 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. Gaensler for performance year 2024, reported as part of a group. Dr. Gaensler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gaensler as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gaensler'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
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Dr. Karin Gaensler has 33 publications on record
Dmand AI links 33 papers to Dr. Gaensler, published from 2008 to 2023. 2014 was the busiest year, with 4. The most frequent topics are Hematopoietic Stem Cell Transplantation, Gene Expression and Leukemia, Myeloid, Acute. Dr. Gaensler has published most often in Biol Blood Marrow Transplant. Dr. Gaensler's most frequent co-authors are Lloyd Damon, MD, Rebecca L. Olin, MD and Charalambos I. Andreadis, MD.
Dr. Gaensler's papers by year, 2012 to 2023
Topics Dr. Gaensler writes about most
- Hematopoietic Stem Cell Transplantation
- Gene Expression
- Leukemia, Myeloid, Acute
- Mice, Inbred C57BL
- Antineoplastic Agents
- Cells, Cultured
- DNA-Binding Proteins
- Globins
Dr. Gaensler's most frequent co-authors
- Lloyd Damon, MD11 shared papers
- Rebecca L. Olin, MD10 shared papers
- Charalambos I. Andreadis, MD9 shared papers
Recent publications by Dr. Gaensler
Transplant Cell Ther
Blood Cancer Discov
Biol Blood Marrow Transplant
See who Dr. Gaensler researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gaensler works with, so you can find a warm path to the right hematology (internal medicine) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karin Gaensler received $79 in industry payments from 2016 to 2021
CMS Open Payments shows 3 general payments to Dr. Gaensler from 3 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $40.
General payments to Dr. Gaensler by program year, 2016 to 2021
Companies that paid Dr. Gaensler the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karin Gaensler has 1 award and honors on record
Dmand AI lists 1 award for Dr. Gaensler, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Gaensler
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Karin Gaensler graduated from Harvard Medical School
Dr. Gaensler graduated from Harvard Medical School in 1981.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Karin Gaensler accepts plans from 8 insurance carriers
Dr. Gaensler is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Gaensler accepts, by number of carriers
- Medicare7
- PPO6
- HMO4
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Karin Gaensler'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 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. Karin Gaensler
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. Karin Gaensler's NPI number?
Dr. Karin Gaensler's NPI number is 1609830215. It was assigned on April 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karin Gaensler?
Dr. Karin Gaensler is a hematology (internal medicine) physician in San Francisco, California. The primary specialty in the NPI Registry is Hematology (Internal Medicine) Physician (taxonomy code 207RH0000X).
Where does Dr. Karin Gaensler practice?
Dr. Gaensler practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Gaensler'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. Gaensler to 3 group practices and clinics and 3 medical groups.
What is Dr. Karin Gaensler's office phone number?
The practice phone on file for Dr. Gaensler is (415) 353-2733.
What is Dr. Karin Gaensler's medical license number?
Dr. Gaensler holds California license G50093.
Which hospitals is Dr. Karin Gaensler affiliated with?
Dr. Gaensler practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Dr. Karin Gaensler part of?
Dr. Gaensler is linked to UCSF Pediatrics. Dmand AI links Dr. Gaensler to 3 more medical groups.
Does Dr. Karin Gaensler accept Medicare?
Yes. CMS data shows Dr. Gaensler billed Medicare for 256 services in 2024, and Dr. Gaensler accepts Medicare assignment.
Does Dr. Karin Gaensler offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gaensler as offering telehealth services.
What is Dr. Karin Gaensler's MIPS score?
Dr. Gaensler's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Karin Gaensler see?
CMS counts 72 Medicare patients who saw Dr. Gaensler in 2024, with an average age of 72.
Is Dr. Karin Gaensler board certified?
Yes. Dr. Gaensler is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Karin Gaensler bill to Medicare?
In 2024, Dr. Gaensler's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and surgery: blood and lymph system (38222).
Where did Dr. Karin Gaensler go to medical school?
Dr. Gaensler graduated from Harvard Medical School in 1981.
What drugs does Dr. Karin Gaensler prescribe most?
In 2024 Medicare Part D data, Dr. Gaensler's most prescribed drugs by claims were Acyclovir, Hydroxyurea and Sulfamethoxazole-Trimethoprim.
Has Dr. Karin Gaensler received payments from drug or device companies?
CMS Open Payments shows $79 in general payments to Dr. Gaensler from 3 companies from 2016 to 2021. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Karin Gaensler been practicing?
Dr. Gaensler graduated from medical school in 1981, 45 years ago.
Does Dr. Karin Gaensler do research?
Dmand AI links 33 publications to Dr. Gaensler, published from 2008 to 2023.
Who does Dr. Karin Gaensler publish with?
Dr. Gaensler's most frequent co-authors are Lloyd Damon, MD (11 shared papers), Rebecca L. Olin, MD (10 shared papers) and Charalambos I. Andreadis, MD (9 shared papers).
What insurance does Dr. Karin Gaensler accept?
Dr. Gaensler is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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