Adaptor Proteins, Vesicular TransportAortic Aneurysm, AbdominalChromosomes, Human, Pair 1
Dr. Grace Chen Yu, MD
NPI1902982580PAC ID6507926987
- Medicare services, 2024
- 196
- Medicare patients, 2024
- 84
- Part D claims, 2024
- 380
- Publications
- 3
- Hospital affiliations
- 2
- Practice address
- 455 O'connor Dr, San Jose, CA 95128
- Practice phone
- Call (408) 998-1818
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
De Luna, Inc.
San Jose, California
Find Dr. Yu's professional email, personal email and mobile number
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Dr. Grace Chen Yu is a family medicine physician in San Jose, California
Dr. Yu practices at De Luna, Inc. in San Jose, California.
Dr. Yu's NPI, 1902982580, was assigned on October 27, 2006. Dr. Yu graduated from Stanford University School Of Medicine in 2003. Dr. Yu holds California license A91089.
NPI and contact details
- NPI
- 1902982580NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507926987
- NPI enumeration date
- October 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 998-1818
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Grace Chen Yu practices at De Luna, Inc. in San Jose, California
Dr. Yu's primary practice is De Luna, Inc., at 455 O'connor Dr, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 998-1818.
- De Luna, Inc.455 O'connor Dr, San Jose, CA 95128 · Santa Clara CountyPhone(408) 998-1818
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Grace Chen Yu is affiliated with 4 sites of care and 1 medical group
Dr. Yu's primary practice is De Luna, Inc. in San Jose, California. Dr. Yu is also affiliated with Santa Clara Valley Medical Center. The medical group on file is Stanford Medicine Partners. Dmand AI also links Dr. Yu to 1 more hospital and 1 group practice or clinic, each named with a free account.
De Luna, Inc.Primary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Grace Chen Yu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yu practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| De Luna, Inc. | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Grace Chen Yu is one of 15,680 family medicine physicians in California
Family medicine is Dr. Yu's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Yu is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Yu's licenses on file in 2 states: California and Hawaii.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Hawaii license
Clinical focus
Dmand AI lists acute respiratory failure, anxiety, bursitis, chronic diabetes, chronic hypertension, chronic kidney disease, collapsed lung and congestive heart failure among the conditions Dr. Yu treats.
Family medicine physicians near Dr. Yu
Counts of family 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. Grace Chen Yu billed Medicare for 196 services in 2024
CMS data shows 196 Medicare services from Dr. Yu across 6 procedure codes in 2024, for 84 Medicare patients. Medicare paid $19,828 for them.
Medicare services, 2024196
Medicare patients84
Paid by Medicare$19,828
Procedure codes6
Dr. Yu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1622024: 1526%
- Other services
- 2023: 122024: 44267%
Where Dr. Yu's Medicare services took place, 2024
- In an office8141%
- In a facility11559%
Dr. Yu compared with the California median for family medicine physicians, 2024
- Dr. Yu
- California median
- Medicare services
- 196vs 24620% below
- Medicare patients
- 84vs 11829% below
- Part D claims
- 80vs 83390% below
Medians across 15,349 family medicine physicians 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Grace Chen Yu treated 84 Medicare patients in 2024, average age 76
CMS counts 84 Medicare patients who saw Dr. Yu in 2024. The largest group is 65 to 74, with 38 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.70, 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. Yu's median patient age at 53, with 61% women.
Medicare patients, 202484
Average age76
Average risk score2.70
Also on Medicaid36%
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
- Women5262%
- Men3238%
Chronic conditions among Dr. Yu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes51%
- Ischemic heart disease43%
- Heart failure39%
- Arthritis35%
- Chronic kidney disease35%
- Mood disorders32%
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
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Grace Chen Yu wrote 380 Medicare Part D claims in 2024
In 2024, Dr. Yu wrote 380 Medicare Part D claims for 50 patients. 81% of them were for generic drugs. CMS names the drug for 80 of them, across 5 drugs with 11 or more claims each, at $17,874 in total drug cost. In 2023, CMS named 312 claims across 18 drugs.
Part D claims, 2024380
Drugs named by CMS5
Total drug cost$17,874
Part D patients50
Dr. Yu's Part D claims by kind of drug, 2024
- Generic309 claims81%
- Brand-name and other71 claims19%
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.
Drug classes CMS tracks in Dr. Yu's Part D claims, 2024
- Antibiotics4%17 of 380 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: 3122024: 8074%
Drugs named by CMS: 5 in 2024, 18 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
How Dr. Grace Chen Yu takes part in Medicare
Dr. Yu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Grace Chen Yu has 3 publications on record
Dmand AI links 3 papers to Dr. Yu in 2013. The most frequent topics are Education, Medical, Graduate, Family Practice and Internship and Residency. Dr. Yu's most frequent co-author is James R. Elmore, MD.
Papers3
Topics Dr. Yu writes about most
- Education, Medical, Graduate
- Family Practice
- Internship and Residency
Dr. Yu's most frequent co-authors
Recent publications by Dr. Yu
J Gen Intern Med
Blood PressureBlood Pressure DeterminationCalifornia
AccreditationClinical CompetenceEducation, Medical, Graduate
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 family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Grace Chen Yu received $537 in industry payments from 2016 to 2021
CMS Open Payments shows 8 general payments to Dr. Yu from 4 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 66% of the total. Musculoskeletal Transplant Foundation Inc. paid the most, $265.
General payments to Dr. Yu by program year, 2016 to 2021
General payments to Dr. Yu by kind, 2016 to 2021
$537in total
- Food and beverage$35266%
- Speaker and faculty fees$18534%
Companies that paid Dr. Yu 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. Grace Chen Yu graduated from Stanford University School Of Medicine
Dr. Yu graduated from Stanford University School Of Medicine in 2003.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Grace Chen Yu accepts plans from 8 insurance carriers
Dr. Yu is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- 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
- CMS Medicare
Plan types Dr. Yu accepts, by number of carriers
- Medicare6
- PPO5
- HMO3
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Grace Chen 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)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. Grace Chen 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. Grace Chen Yu's NPI number?
Dr. Grace Chen Yu's NPI number is 1902982580. It was assigned on October 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Grace Chen Yu?
Dr. Grace Chen Yu is a family medicine physician in San Jose, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Grace Chen Yu practice?
Dr. Yu practices at 455 O'connor Dr, San Jose, CA 95128. Dr. Yu's primary practice is De Luna, Inc. in San Jose, California. Dmand AI also links Dr. Yu to 1 hospital and 1 group practice or clinic.
What is Dr. Grace Chen Yu's office phone number?
The practice phone on file for Dr. Yu is (408) 998-1818.
What is Dr. Grace Chen Yu's medical license number?
Dr. Yu holds California license A91089, one of the licenses on file in 2 states.
Which states has Dr. Grace Chen Yu been licensed in?
Dmand AI has state licenses on file for Dr. Yu in California (2005 to 2026) and Hawaii (2006 to 2022).
Which hospitals is Dr. Grace Chen Yu affiliated with?
Dr. Yu is affiliated with Santa Clara Valley Medical Center. Dmand AI links Dr. Yu to 1 more hospital.
What medical group is Dr. Grace Chen Yu part of?
Dr. Yu is linked to Stanford Medicine Partners.
Does Dr. Grace Chen Yu accept Medicare?
Yes. CMS data shows Dr. Yu billed Medicare for 196 services in 2024, and Dr. Yu accepts Medicare assignment.
How many Medicare patients does Dr. Grace Chen Yu see?
CMS counts 84 Medicare patients who saw Dr. Yu in 2024, with an average age of 76.
Show 9 more questionsShow fewer questions
Is Dr. Grace Chen Yu board certified?
Yes. Dr. Yu is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Grace Chen Yu bill to Medicare?
In 2024, Dr. Yu's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Grace Chen Yu go to medical school?
Dr. Yu graduated from Stanford University School Of Medicine in 2003.
What drugs does Dr. Grace Chen Yu prescribe most?
In 2024 Medicare Part D data, Dr. Yu's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Metformin HCl.
Has Dr. Grace Chen Yu received payments from drug or device companies?
CMS Open Payments shows $537 in general payments to Dr. Yu from 4 companies from 2016 to 2021. The largest total came from Musculoskeletal Transplant Foundation Inc.
How long has Dr. Grace Chen Yu been practicing?
Dr. Yu graduated from medical school in 2003, 23 years ago.
Does Dr. Grace Chen Yu do research?
Dmand AI links 3 publications to Dr. Yu.
Who does Dr. Grace Chen Yu publish with?
Dr. Yu's most frequent co-authors are James R. Elmore, MD (1 shared paper).
What insurance does Dr. Grace Chen Yu accept?
Dr. Yu is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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