Dr. Sigurdis Haraldsdottir, MD
- Medicare services, 2021
- 60
- Part D claims, 2021
- 30
- Publications
- 43
- Clinical trials
- 2
- Industry payments
- $168
- Practice address
- 300 Pasteur Dr, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stanford Hospital
Stanford, California
Find Dr. Haraldsdottir'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. Sigurdis Haraldsdottir is a medical oncologist in Stanford, California
Dr. Haraldsdottir practices at Stanford Hospital in Stanford, California.
Dr. Haraldsdottir's NPI, 1578716924, was assigned on October 29, 2008. Dr. Haraldsdottir holds Massachusetts license 281614.
- NPI
- 1578716924NPI Registry (opens in a new tab)
- NPI enumeration date
- October 29, 2008
- NPI status
- Active
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Sigurdis Haraldsdottir practices at Stanford Hospital in Stanford, California
Dr. Haraldsdottir's primary practice is Stanford Hospital, at 300 Pasteur Dr, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital300 Pasteur Dr, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sigurdis Haraldsdottir is affiliated with 1 site of care
Dr. Haraldsdottir's primary practice is Stanford Hospital in Stanford, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Sigurdis Haraldsdottir's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haraldsdottir practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sigurdis Haraldsdottir is one of 415 medical oncologists in California
Medical oncology is Dr. Haraldsdottir's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Haraldsdottir is licensed in Massachusetts.
Specialties and state licenses
- Medical oncology, MassachusettsPrimary
Medical oncologists near Dr. Haraldsdottir
Counts of medical oncologists 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. Sigurdis Haraldsdottir billed Medicare for 60 services in 2021
CMS data shows 60 Medicare services from Dr. Haraldsdottir across 2 procedure codes in 2021, all of them office visits. Medicare paid $8,170 for them. Every service was in an office.
Dr. Haraldsdottir's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 552021: 609%
Dr. Haraldsdottir compared with the California median for medical oncologists, 2021
- Dr. Haraldsdottir
- California median
- Medicare services
- 60vs 49688% below
- Part D claims
- 30vs 14479% below
Medians across 358 medical oncologists in California with Dmand AI profiles that report each measure.
Dr. Haraldsdottir's most billed Medicare procedure codes, 2021
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. Haraldsdottir?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Haraldsdottir and other medical oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sigurdis Haraldsdottir's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Dr. Haraldsdottir's median patient age at 36, with 100% women.
Dr. Haraldsdottir's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Sigurdis Haraldsdottir wrote 30 Medicare Part D claims in 2021
In 2021, Dr. Haraldsdottir wrote 30 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $305 in total drug cost. In 2018, CMS named 11 claims across 1 drug.
Dr. Haraldsdottir's most prescribed drugs by claims, 2021
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, 2018 to 2021
- 2018
- 2021
- Claims for drugs CMS names
- 2018: 112021: 30173%
Drugs named by CMS: 2 in 2021, 1 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Sigurdis Haraldsdottir has 43 publications on record
Dmand AI links 43 papers to Dr. Haraldsdottir, published from 2013 to 2025. 2018 was the busiest year, with 5. The most frequent topics are Colorectal Neoplasms, Colorectal Neoplasms, Hereditary Nonpolyposis and DNA Mismatch Repair. Dr. Haraldsdottir has published most often in Gastroenterology. Dr. Haraldsdottir's most frequent co-authors are Manisha H. Shah, MD, Daniel Tandel Chang, MD and Kristen Keon Ciombor, MD.
Dr. Haraldsdottir's papers by year, 2014 to 2025
Topics Dr. Haraldsdottir writes about most
- Colorectal Neoplasms
- Colorectal Neoplasms, Hereditary Nonpolyposis
- DNA Mismatch Repair
- Genetic Predisposition to Disease
- Germ-Line Mutation
- Iceland
- Microsatellite Instability
- Mismatch Repair Endonuclease PMS2
Dr. Haraldsdottir's most frequent co-authors
- Manisha H. Shah, MD5 shared papers
- Daniel Tandel Chang, MD3 shared papers
- Kristen Keon Ciombor, MD3 shared papers
Recent publications by Dr. Haraldsdottir
Scand J Gastroenterol
Acta Oncol
Gastroenterology
See who Dr. Haraldsdottir researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Haraldsdottir works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sigurdis Haraldsdottir has worked on 2 clinical trials
Dmand AI links Dr. Haraldsdottir to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Colorectal Neoplasms, Hereditary Nonpolyposis, Pancreatic Neoplasms and DNA Repair-Deficiency Disorders.
Clinical trials with Dr. Haraldsdottir by phase
- NonePhase 1: no trials
- 1Phase 1/2: 1 trial
- NonePhase 2: no trials
- 1Phase 3: 1 trial
- NonePhase 4: no trials
Conditions in Dr. Haraldsdottir's trials
- Colorectal Neoplasms, Hereditary Nonpolyposis
- Pancreatic Neoplasms
- DNA Repair-Deficiency Disorders
- Neoplasm Metastasis
Investigators on the most trials with Dr. Haraldsdottir
- Carlos A. Alemany, MD1 shared trial
- Sheikh Asim Ali, MD1 shared trial
- Murat A. Anamur, MD1 shared trial
Recent clinical trials with Dr. Haraldsdottir
Combination Chemotherapy With or Without Atezolizumab in Treating Patients With Stage III Colon Cancer and Deficient DNA Mismatch Repair (opens in a new tab)
Study of IDO Inhibitor in Combination With Gemcitabine and Nab-Paclitaxel in Patients With Metastatic Pancreatic Cancer (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Sigurdis Haraldsdottir received $168 in industry payments in 2017
CMS Open Payments shows 2 general payments to Dr. Haraldsdottir from 2 drug and device companies in 2017. Food and beverage make up the largest share, 100% of the total. Foundation Medicine, Inc. paid the most, $133.
Companies that paid Dr. Haraldsdottir the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sigurdis Haraldsdottir'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Sigurdis Haraldsdottir
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. Sigurdis Haraldsdottir's NPI number?
Dr. Sigurdis Haraldsdottir's NPI number is 1578716924. It was assigned on October 29, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Sigurdis Haraldsdottir?
Dr. Sigurdis Haraldsdottir is a medical oncologist in Stanford, California. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Sigurdis Haraldsdottir practice?
Dr. Haraldsdottir practices at 300 Pasteur Dr, Stanford, CA 94305. Dr. Haraldsdottir's primary practice is Stanford Hospital in Stanford, California.
What is Dr. Sigurdis Haraldsdottir's office phone number?
The practice phone on file for Dr. Haraldsdottir is (650) 723-4000.
What is Dr. Sigurdis Haraldsdottir's medical license number?
Dr. Haraldsdottir holds Massachusetts license 281614.
Does Dr. Sigurdis Haraldsdottir accept Medicare?
Yes. CMS data shows Dr. Haraldsdottir billed Medicare for 60 services in 2021.
What services does Dr. Sigurdis Haraldsdottir bill to Medicare?
In 2021, Dr. Haraldsdottir's most billed Medicare services were office visit, established patient (99215) and office visit, new patient (99205).
What drugs does Dr. Sigurdis Haraldsdottir prescribe most?
In 2021 Medicare Part D data, Dr. Haraldsdottir's most prescribed drugs by claims were Dexamethasone and Prochlorperazine Maleate.
Has Dr. Sigurdis Haraldsdottir received payments from drug or device companies?
CMS Open Payments shows $168 in general payments to Dr. Haraldsdottir from 2 companies from 2017 to 2017. The largest total came from Foundation Medicine, Inc.
How long has Dr. Sigurdis Haraldsdottir been practicing?
Dr. Haraldsdottir's NPI was assigned in 2008.
Does Dr. Sigurdis Haraldsdottir do research?
Dmand AI links 43 publications to Dr. Haraldsdottir, published from 2013 to 2025. Dr. Haraldsdottir has worked on 2 clinical trials.
Who does Dr. Sigurdis Haraldsdottir publish with?
Dr. Haraldsdottir's most frequent co-authors are Manisha H. Shah, MD (5 shared papers), Daniel Tandel Chang, MD (3 shared papers) and Kristen Keon Ciombor, MD (3 shared papers).
Selling to medical oncology practices?
See medical oncologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card