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Dr. Danielle M. Williamson, MD
NPI1124403860PAC ID1658649488
- Medicare patients, 2024
- 68
- Publications
- 8
- MIPS score, 2024
- 99
- Hospital affiliations
- 2
- Medical groups
- 3
- 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. Williamson's professional email, personal email and mobile number
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Dr. Danielle M. Williamson is an anesthesiologist in San Francisco, California
Dr. Williamson practices at UCSF St Mary's Hospital in San Francisco, California.
Dr. Williamson's NPI, 1124403860, was assigned on July 23, 2015. Dr. Williamson graduated from OHSU School of Medicine in 2016. Dr. Williamson holds California license A163177.
NPI and contact details
- NPI
- 1124403860NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658649488
- NPI enumeration date
- July 23, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-4739
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Danielle M. Williamson practices at UCSF St Mary's Hospital in San Francisco, California
Dr. Williamson's 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. Danielle M. Williamson is affiliated with 6 sites of care and 3 medical groups
Dr. Williamson's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dr. Williamson is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Williamson to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.
UCSF St Mary's HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Danielle M. Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williamson practices, 5 sites in all. 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 |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Danielle M. Williamson is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Williamson is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Williamson's licenses on file in 2 states: California and Oregon.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Student in an organized health care education/training program, Oregon
Anesthesiologists near Dr. Williamson
Counts of anesthesiologists 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. Danielle M. Williamson treated 68 Medicare patients in 2024, average age 71
CMS counts 68 Medicare patients who saw Dr. Williamson in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 50% are also on Medicaid. Their average risk score is 2.01, 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. Williamson's median patient age at 63, with 36% women.
Medicare patients, 202468
Average age71
Average risk score2.01
Also on Medicaid50%
Dr. Williamson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williamson's Medicare patients by sex, 2024
- Women3551%
- Men3349%
Chronic conditions among Dr. Williamson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Diabetes37%
- Mood disorders35%
- Ischemic heart disease34%
- Depression31%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williamson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women36%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Danielle M. Williamson scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Williamson for performance year 2024, reported as part of a group. Dr. Williamson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Williamson's MIPS scores, performance year 2024
- 99of 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
Dr. Danielle M. Williamson has 8 publications on record
Dmand AI links 8 papers to Dr. Williamson, published from 2010 to 2022. 2015 was the busiest year, with 3. The most frequent topics are Histidine, Hydrogen-Ion Concentration and Enzyme Activation. Dr. Williamson has published most often in J Biol Chem. Dr. Williamson's most frequent co-author is Katelyn Mae Atkins, MD.
Papers8
Years published2010 to 2022
Dr. Williamson's papers by year, 2010 to 2022
Topics Dr. Williamson writes about most
- Histidine
- Hydrogen-Ion Concentration
- Enzyme Activation
- Furin
- Peptides
- Proprotein Convertase 1
- Amino Acid Sequence
- Molecular Sequence Data
Dr. Williamson's most frequent co-authors
Recent publications by Dr. Williamson
Chlorocebus aethiopsCOS CellsEnzyme Activation
See who Dr. Williamson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williamson works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Danielle M. Williamson graduated from OHSU School of Medicine
Dr. Williamson graduated from OHSU School of Medicine in 2016.
- Medical school
- Board certified in anesthesiology
- Board certified in critical care medicine
- Board certified in critical care medicine
Source: Dmand AI Professional Profile Data
Dr. Danielle M. Williamson accepts plans from 3 insurance carriers
Dr. Williamson is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Williamson accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Danielle M. Williamson'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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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 |
| 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. Danielle M. Williamson
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. Danielle M. Williamson's NPI number?
Dr. Danielle M. Williamson's NPI number is 1124403860. It was assigned on July 23, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Danielle M. Williamson?
Dr. Danielle M. Williamson is an anesthesiologist in San Francisco, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Danielle M. Williamson practice?
Dr. Williamson practices at 450 Stanyan St, San Francisco, CA 94117. Dr. Williamson's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dmand AI also links Dr. Williamson to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Danielle M. Williamson's office phone number?
The practice phone on file for Dr. Williamson is (415) 353-4739.
What is Dr. Danielle M. Williamson's medical license number?
Dr. Williamson holds California license A163177, one of the licenses on file in 2 states.
Which states has Dr. Danielle M. Williamson been licensed in?
Dmand AI has state licenses on file for Dr. Williamson in California (2019 to 2027) and Oregon (since 2017).
Which hospitals is Dr. Danielle M. Williamson affiliated with?
Dr. Williamson is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Williamson to 1 more hospital.
What medical group is Dr. Danielle M. Williamson part of?
Dr. Williamson is linked to UCSF Pediatrics. Dmand AI links Dr. Williamson to 2 more medical groups.
Does Dr. Danielle M. Williamson accept Medicare?
Yes. CMS lists Dr. Williamson as accepting Medicare assignment.
What is Dr. Danielle M. Williamson's MIPS score?
Dr. Williamson's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Danielle M. Williamson see?
CMS counts 68 Medicare patients who saw Dr. Williamson in 2024, with an average age of 71.
Is Dr. Danielle M. Williamson board certified?
Yes. Dr. Williamson is board certified in anesthesiology by the American Board of Anesthesiology.
Where did Dr. Danielle M. Williamson go to medical school?
Dr. Williamson graduated from OHSU School of Medicine in 2016.
How long has Dr. Danielle M. Williamson been practicing?
Dr. Williamson graduated from medical school in 2016, 10 years ago.
Does Dr. Danielle M. Williamson do research?
Dmand AI links 8 publications to Dr. Williamson, published from 2010 to 2022.
Who does Dr. Danielle M. Williamson publish with?
Dr. Williamson's most frequent co-authors are Katelyn Mae Atkins, MD (1 shared paper).
What insurance does Dr. Danielle M. Williamson accept?
Dr. Williamson is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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