Dr. Stefanie Masako Ueda, MD

  • San Francisco, CA
  • Gynecologic oncologist
NPI1780748087PAC ID2466576863
Medicare services, 2024
341
Medicare patients, 2024
125
Part D claims, 2024
213
Publications
52
Clinical trials
2
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 6 affiliations

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Dr. Stefanie Masako Ueda is a gynecologic oncologist in San Francisco, California

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

Dr. Ueda's NPI, 1780748087, was assigned on December 20, 2006. Dr. Ueda graduated from New York University School of Medicine in 2002. Dr. Ueda holds California license A96341.

NPI and contact details
Medicare PAC ID
2466576863
NPI enumeration date
December 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
50
Medical school graduation
2002

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

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

Dr. Ueda'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. Stefanie Masako Ueda is affiliated with 4 sites of care and 2 medical groups

Dr. Ueda's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dr. Ueda is also affiliated with Providence Santa Rosa Memorial Hospital. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Ueda to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Ueda

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

Dmand AI tracks the EHR system at Dr. Stefanie Masako Ueda's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ueda 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 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Stefanie Masako Ueda is one of 178 gynecologic oncologists in California

Gynecologic oncology is Dr. Ueda's primary specialty in the NPI Registry, under taxonomy code 207VX0201X. Dr. Ueda is board certified in gynecologic oncology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Ueda's licenses on file in 3 states: California, Hawaii and Maryland.

Specialties and state licenses

  • Gynecologic oncology, CaliforniaPrimaryLicense A96341 · 2006 to 2026 · taxonomy 207VX0201X
  • Hawaii licenseLicense 13748 · 2002 to 2026
  • Maryland license2007 to 2011

Clinical focus

Dmand AI lists hysterectomy, menopause and ovarian cyst among the conditions Dr. Ueda treats.

Gynecologic oncologists near Dr. Ueda

Counts of gynecologic 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. Stefanie Masako Ueda billed Medicare for 341 services in 2024

CMS data shows 341 Medicare services from Dr. Ueda across 7 procedure codes in 2024, for 125 Medicare patients. Medicare paid $31,442 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024341
Medicare patients125
Paid by Medicare$31,442
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 2902024: 32813%
Other services
2023: 02024: 13
Surgery
2023: 252024: 0100%

Dr. Ueda compared with the California median for gynecologic oncologists, 2024

  • Dr. Ueda
  • California median
Medicare services
341vs 28022% above
Medicare patients
125vs 122Close to median
Part D claims
57vs 3850% above

Medians across 165 gynecologic oncologists in California with Dmand AI profiles that report each measure.

Dr. Ueda'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. Ueda

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

Dr. Stefanie Masako Ueda treated 125 Medicare patients in 2024, average age 73

CMS counts 125 Medicare patients who saw Dr. Ueda in 2024. The largest group is 65 to 74, with 61 patients. 72% of them have high blood pressure, and 65% have cancer. 32% are also on Medicaid. Their average risk score is 2.07, 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. Ueda's median patient age at 67, with 98% women.

Medicare patients, 2024125
Average age73
Average risk score2.07
Also on Medicaid32%

Dr. Ueda's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. High blood pressure72%
  2. Cancer65%
  3. High cholesterol58%
  4. Arthritis40%
  5. Anxiety31%
  6. Mood disorders26%
  7. Diabetes24%
  8. Depression23%

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

Dr. Ueda's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women98%
  • Men0%

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

Dr. Stefanie Masako Ueda wrote 213 Medicare Part D claims in 2024

In 2024, Dr. Ueda wrote 213 Medicare Part D claims for 53 patients. 87% of them were for generic drugs. CMS names the drug for 57 of them, across 4 drugs with 11 or more claims each, at $829 in total drug cost. In 2023, CMS named 106 claims across 6 drugs.

Part D claims, 2024213
Drugs named by CMS4
Total drug cost$829
Part D patients53

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

  • Generic186 claims87%
  • Brand-name and other27 claims13%

Dr. Ueda'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. Ueda's Part D claims, 2024

  • Antibiotics12%26 of 213 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: 1062024: 5746%

Drugs named by CMS: 4 in 2024, 6 in 2023.

See all prescribing by Dr. Ueda

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. Stefanie Masako Ueda scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Ueda for performance year 2024, reported as part of a group. Dr. Ueda accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ueda as offering telehealth. CMS counts 22 procedures of removal of the uterus by Dr. Ueda, more than 94% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Ueda's MIPS scores, performance year 2024

  • 87of 100Final score
  • 86.8of 100Quality
  • 40of 100Improvement Activities
  • 70of 100Cost

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

Where Dr. Ueda ranks in Medicare procedure volume

Removal of the uterus
94th percentile22 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. Stefanie Masako Ueda has 52 publications on record

Dmand AI links 52 papers to Dr. Ueda, published from 2007 to 2025. 2014 was the busiest year, with 5. The most frequent topics are Ovarian Neoplasms, Uterine Cervical Neoplasms and Uterine Neoplasms. Dr. Ueda has published most often in Gynecol Oncol Rep. Dr. Ueda's most frequent co-authors are Lee-May Chen, MD, Warner K. Huh, MD and Christina S. Chu, MD.

Papers52
Years published2007 to 2025

Dr. Ueda's papers by year, 2011 to 2025

Topics Dr. Ueda writes about most

  • Ovarian Neoplasms
  • Uterine Cervical Neoplasms
  • Uterine Neoplasms
  • Cystadenocarcinoma, Serous
  • Immunohistochemistry
  • Antineoplastic Agents
  • Biomarkers, Tumor
  • Chemoradiotherapy

Dr. Ueda's most frequent co-authors

Recent publications by Dr. Ueda

See all 52 publications and co-authors

See who Dr. Ueda researches with

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

How network discovery works

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

Dr. Stefanie Masako Ueda has worked on 2 clinical trials

Dmand AI links Dr. Ueda to 2 clinical trials. 2 are still active or recruiting. Conditions studied include Fallopian Tube Diseases, Uterine Cervical Neoplasms and Fallopian Tube Neoplasms.

Clinical trials with Dr. Ueda by phase

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. 1Phase 3: 1 trial
  4. NonePhase 4: no trials

Conditions in Dr. Ueda's trials

  • Fallopian Tube Diseases
  • Uterine Cervical Neoplasms
  • Fallopian Tube Neoplasms
  • Uterine Cervical Diseases

Investigators on the most trials with Dr. Ueda

Recent clinical trials with Dr. Ueda

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Stefanie Masako Ueda received $280 in industry payments from 2018 to 2024

CMS Open Payments shows 3 general payments to Dr. Ueda from 3 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $114.

General payments to Dr. Ueda by program year, 2018 to 2024

Companies that paid Dr. Ueda the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Ueda

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Stefanie Masako Ueda graduated from New York University School of Medicine

Dr. Ueda graduated from New York University School of Medicine in 2002.

  1. Medical schoolNew York University School of Medicine
  2. Board certified in gynecologic oncologyAmerican Board of Obstetrics and Gynecology
  3. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Stefanie Masako Ueda accepts plans from 10 insurance carriers

Dr. Ueda is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Ueda accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. HMO4
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Stefanie Masako Ueda'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Stefanie Masako Ueda

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. Stefanie Masako Ueda's NPI number?

Dr. Stefanie Masako Ueda's NPI number is 1780748087. It was assigned on December 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Stefanie Masako Ueda?

Dr. Stefanie Masako Ueda is a gynecologic oncologist in San Francisco, California. The primary specialty in the NPI Registry is Gynecologic Oncology Physician (taxonomy code 207VX0201X).

Where does Dr. Stefanie Masako Ueda practice?

Dr. Ueda practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Ueda'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. Ueda to 1 hospital, 1 group practice or clinic and 1 medical group.

What is Dr. Stefanie Masako Ueda's office phone number?

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

What is Dr. Stefanie Masako Ueda's medical license number?

Dr. Ueda holds California license A96341, one of the licenses on file in 3 states.

Which states has Dr. Stefanie Masako Ueda been licensed in?

Dmand AI has state licenses on file for Dr. Ueda in California (2006 to 2026), Hawaii (2002 to 2026) and Maryland (2007 to 2011).

Which hospitals is Dr. Stefanie Masako Ueda affiliated with?

Dr. Ueda practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Dr. Ueda is also affiliated with Providence Santa Rosa Memorial Hospital. Dmand AI links Dr. Ueda to 1 more hospital.

What medical group is Dr. Stefanie Masako Ueda part of?

Dr. Ueda is linked to UCSF Pediatrics. Dmand AI links Dr. Ueda to 1 more medical group.

Does Dr. Stefanie Masako Ueda accept Medicare?

Yes. CMS data shows Dr. Ueda billed Medicare for 341 services in 2024, and Dr. Ueda accepts Medicare assignment.

Does Dr. Stefanie Masako Ueda offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Stefanie Masako Ueda's MIPS score?

Dr. Ueda's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

How many Medicare patients does Dr. Stefanie Masako Ueda see?

CMS counts 125 Medicare patients who saw Dr. Ueda in 2024, with an average age of 73.

Is Dr. Stefanie Masako Ueda board certified?

Yes. Dr. Ueda is board certified in gynecologic oncology by the American Board of Obstetrics and Gynecology.

What services does Dr. Stefanie Masako Ueda bill to Medicare?

In 2024, Dr. Ueda's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and office visit, established patient (99215).

Where did Dr. Stefanie Masako Ueda go to medical school?

Dr. Ueda graduated from New York University School of Medicine in 2002.

What drugs does Dr. Stefanie Masako Ueda prescribe most?

In 2024 Medicare Part D data, Dr. Ueda's most prescribed drugs by claims were Anastrozole, Ondansetron HCl and Dexamethasone.

Has Dr. Stefanie Masako Ueda received payments from drug or device companies?

CMS Open Payments shows $280 in general payments to Dr. Ueda from 3 companies from 2018 to 2024. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Stefanie Masako Ueda been practicing?

Dr. Ueda graduated from medical school in 2002, 24 years ago.

Does Dr. Stefanie Masako Ueda do research?

Dmand AI links 52 publications to Dr. Ueda, published from 2007 to 2025. Dr. Ueda has worked on 2 clinical trials.

Who does Dr. Stefanie Masako Ueda publish with?

Dr. Ueda's most frequent co-authors are Lee-May Chen, MD (9 shared papers), Warner K. Huh, MD (7 shared papers) and Christina S. Chu, MD (6 shared papers).

What insurance does Dr. Stefanie Masako Ueda accept?

Dr. Ueda is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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