Clin Gastroenterol Hepatol
BiopsyColitis, UlcerativeColonic Neoplasms
Dr. Amy Yu, MD
NPI1720570328PAC ID4688912710
- Medicare services, 2024
- 56
- Medicare patients, 2024
- 57
- Part D claims, 2024
- 56
- Publications
- 4
- MIPS score, 2024
- 89
- Practice address
- 325 Distel Cir, Los Altos, CA 94022
- Practice phone
- Call (650) 853-1832
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Palo Alto Center
Los Altos, California
Find Dr. Yu's professional email, personal email and mobile number
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Dr. Amy Yu is an internist in Los Altos, California
Dr. Yu practices at Palo Alto Center in Los Altos, California.
Dr. Yu's NPI, 1720570328, was assigned on May 31, 2018. Dr. Yu graduated from Harvard Medical School in 2018. Dr. Yu's California license number on file is A174449.
NPI and contact details
- NPI
- 1720570328NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688912710
- NPI enumeration date
- May 31, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 853-1832
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Amy Yu practices at Palo Alto Center in Los Altos, California
Dr. Yu's primary practice is Palo Alto Center, at 325 Distel Cir, Los Altos, CA 94022 in Santa Clara County. The practice phone is (650) 853-1832.
- Palo Alto Center325 Distel Cir, Los Altos, CA 94022 · Santa Clara CountyPhone(650) 853-1832
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Amy Yu is affiliated with 2 sites of care and 1 medical group
Dr. Yu's primary practice is Palo Alto Center in Los Altos, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Yu to 1 more group practice or clinic, named with a free account.
Palo Alto CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Amy Yu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Palo Alto Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Amy Yu is one of 16,751 internists in California
Internal medicine is Dr. Yu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yu is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Yu's licenses on file in 2 states: California and Massachusetts.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Massachusetts license
Internists near Dr. Yu
Counts of internists 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. Amy Yu billed Medicare for 56 services in 2024
CMS data shows 56 Medicare services from Dr. Yu across 3 procedure codes in 2024, for 57 Medicare patients. Medicare paid $6,767 for them.
Medicare services, 202456
Medicare patients57
Paid by Medicare$6,767
Procedure codes3
Dr. Yu's Medicare services by type, 2024
- Office and hospital visits22
- Other services20
- Surgery14
Where Dr. Yu's Medicare services took place, 2024
- In an office2239%
- In a facility3461%
Dr. Yu compared with the California median for internists, 2024
- Dr. Yu
- California median
- Medicare services
- 56vs 36184% below
- Medicare patients
- 57vs 15162% below
- Part D claims
- 25vs 42194% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Yu'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. Yu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yu and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Amy Yu treated 57 Medicare patients in 2024, average age 75
CMS counts 57 Medicare patients who saw Dr. Yu in 2024. The largest group is 75 to 84, with 24 patients. 61% of them have high cholesterol, and 40% have high blood pressure. Their average risk score is 0.67, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yu's median patient age at 53, with 60% women.
Medicare patients, 202457
Average age75
Average risk score0.67
Dr. Yu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Yu's Medicare patients by sex, 2024
- Women3053%
- Men2747%
Chronic conditions among Dr. Yu's Medicare patients, 2024
- High cholesterol61%
- High blood pressure40%
- Arthritis26%
- Osteoporosis25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Amy Yu wrote 56 Medicare Part D claims in 2024
In 2024, Dr. Yu wrote 56 Medicare Part D claims for 34 patients. 73% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $1,017 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Part D claims, 202456
Drugs named by CMS2
Total drug cost$1,017
Part D patients34
Dr. Yu's Part D claims by kind of drug, 2024
- Generic41 claims73%
- Brand-name15 claims27%
Dr. Yu'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: 112024: 25127%
Drugs named by CMS: 2 in 2024, 1 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. Amy Yu scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Yu for performance year 2024, reported as part of a group. Dr. Yu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yu as offering telehealth. CMS counts 17 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Yu, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Yu's MIPS scores, performance year 2024
- 89of 100Final score
- 87.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Yu ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 48th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 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. Amy Yu has 4 publications on record
Dmand AI links 4 papers to Dr. Yu, published from 2020 to 2021. The most frequent topics are Colitis, Ulcerative, Crohn Disease and Inflammatory Bowel Diseases. Dr. Yu has published most often in Clin Gastroenterol Hepatol. Dr. Yu's most frequent co-authors are Sonia Friedman, MD and Bharati Kochar, MD.
Papers4
Years published2020 to 2021
Topics Dr. Yu writes about most
- Colitis, Ulcerative
- Crohn Disease
- Inflammatory Bowel Diseases
Dr. Yu's most frequent co-authors
Recent publications by Dr. Yu
Clin Gastroenterol Hepatol
ColitisColitis, UlcerativeCrohn Disease
Inflamm Bowel Dis
Colitis, UlcerativeCrohn DiseaseDelivery, Obstetric
Inflamm Bowel Dis
Colitis, UlcerativeDisease ProgressionInflammatory Bowel Diseases
See who Dr. Yu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yu works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Amy Yu received $521 in industry payments from 2023 to 2025
CMS Open Payments shows 10 general payments to Dr. Yu from 4 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $258.
General payments to Dr. Yu by program year, 2023 to 2025
Companies that paid Dr. Yu the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Amy Yu graduated from Harvard Medical School
Dr. Yu graduated from Harvard Medical School in 2018.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Amy Yu accepts plans from 11 insurance carriers
Dr. Yu is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Yu accepts, by number of carriers
- PPO7
- HMO6
- EPO4
- Medicare3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Amy Yu'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 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)Doctors and Clinicians Utilization Data (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) |
| 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. Amy Yu
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. Amy Yu's NPI number?
Dr. Amy Yu's NPI number is 1720570328. It was assigned on May 31, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Amy Yu?
Dr. Amy Yu is an internist in Los Altos, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Amy Yu practice?
Dr. Yu practices at 325 Distel Cir, Los Altos, CA 94022. Dr. Yu's primary practice is Palo Alto Center in Los Altos, California. Dmand AI also links Dr. Yu to 1 group practice or clinic.
What is Dr. Amy Yu's office phone number?
The practice phone on file for Dr. Yu is (650) 853-1832.
What is Dr. Amy Yu's medical license number?
Dr. Yu's California license number on file is A174449, one of the licenses on file in 2 states.
Which states has Dr. Amy Yu been licensed in?
Dmand AI has state licenses on file for Dr. Yu in California (2021 to 2025) and Massachusetts (2018 to 2021).
What medical group is Dr. Amy Yu part of?
Dr. Yu is linked to Palo Alto Foundation Medical Group.
Does Dr. Amy Yu accept Medicare?
Yes. CMS data shows Dr. Yu billed Medicare for 56 services in 2024, and Dr. Yu accepts Medicare assignment.
Does Dr. Amy Yu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Yu as offering telehealth services.
What is Dr. Amy Yu's MIPS score?
Dr. Yu's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Amy Yu see?
CMS counts 57 Medicare patients who saw Dr. Yu in 2024, with an average age of 75.
Is Dr. Amy Yu board certified?
Yes. Dr. Yu is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Amy Yu bill to Medicare?
In 2024, Dr. Yu's most billed Medicare services were office visit, new patient (99204), medicare service (G0500) and surgery: digestive system (45385).
Where did Dr. Amy Yu go to medical school?
Dr. Yu graduated from Harvard Medical School in 2018.
What drugs does Dr. Amy Yu prescribe most?
In 2024 Medicare Part D data, Dr. Yu's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf and Omeprazole.
Has Dr. Amy Yu received payments from drug or device companies?
CMS Open Payments shows $521 in general payments to Dr. Yu from 4 companies from 2023 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Amy Yu been practicing?
Dr. Yu graduated from medical school in 2018, 8 years ago.
Does Dr. Amy Yu do research?
Dmand AI links 4 publications to Dr. Yu, published from 2020 to 2021.
Who does Dr. Amy Yu publish with?
Dr. Yu's most frequent co-authors are Sonia Friedman, MD (2 shared papers) and Bharati Kochar, MD (1 shared paper).
What insurance does Dr. Amy Yu accept?
Dr. Yu is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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