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Dr. Yu Han, MD
NPI1295122356PAC ID1557694072
- Medicare services, 2024
- 67
- Medicare patients, 2024
- 50
- Part D claims, 2024
- 956
- Publications
- 193
- Hospital affiliations
- 1
- Practice address
- 2500 Alhambra Avenue, Martinez, CA 94553
- Practice phone
- Call (925) 370-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Han'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. Yu Han is an internist in Martinez, California
Dr. Han practices at Contra Costa Regional Medical Center in Martinez, California, part of State of California.
Dr. Han's NPI, 1295122356, was assigned on April 16, 2015. Dr. Han holds Washington license MD60916507.
NPI and contact details
- NPI
- 1295122356NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557694072
- NPI enumeration date
- April 16, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (925) 370-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yu Han practices at Contra Costa Regional Medical Center in Martinez, California
Dr. Han's primary practice is Contra Costa Regional Medical Center, at 2500 Alhambra Avenue, Martinez, CA 94553 in Contra Costa County. The practice phone is (925) 370-5000.
- Contra Costa Regional Medical Center2500 Alhambra Avenue, Martinez, CA 94553 · Contra Costa CountyPhone(925) 370-5000
Source: Dmand AI Affiliation Data
Dr. Yu Han is affiliated with 3 sites of care and 3 medical groups
Dr. Han's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. The medical group on file is West County Adult Mental Health Services. Dmand AI also links Dr. Han to 2 more medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account. Dr. Han's employer is on file too: a hospital.
West County Adult Mental Health Services2 medical groupsNames with a free account1 group practice or clinicName with a free account1 home health agencyName with a free accountEmployer: hospitalName with a free account
See all 6 affiliations for Dr. HanSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yu Han's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Han practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Contra Costa Regional Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yu Han is one of 16,751 internists in California
Internal medicine is Dr. Han's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Han is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Han
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
16,751internists in California35internists in Martinez17internists at Contra Costa Regional Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Yu Han billed Medicare for 67 services in 2024
CMS data shows 67 Medicare services from Dr. Han across 3 procedure codes in 2024, for 50 Medicare patients. Medicare paid $4,060 for them. Every service was in an office.
Medicare services, 202467
Medicare patients50
Paid by Medicare$4,060
Procedure codes3
Dr. Han's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1342024: 4169%
- Other services
- 2023: 192024: 2637%
Dr. Han compared with the California median for internists, 2024
- Dr. Han
- California median
- Medicare services
- 67vs 36181% below
- Medicare patients
- 50vs 15167% below
- Part D claims
- 540vs 42128% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Han'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. Han?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Han and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yu Han treated 50 Medicare patients in 2024, average age 76
CMS counts 50 Medicare patients who saw Dr. Han in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Han's median patient age at 71, with 64% women.
Medicare patients, 202450
Average age76
Average risk score1.26
Dr. Han's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Han's Medicare patients by sex, 2024
- Women3366%
- Men1734%
Chronic conditions among Dr. Han's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis46%
- Anxiety34%
- Osteoporosis32%
- Mood disorders28%
- Depression26%
- Chronic kidney disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Han's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yu Han wrote 956 Medicare Part D claims in 2024
In 2024, Dr. Han wrote 956 Medicare Part D claims for 368 patients. 89% of them were for generic drugs. CMS names the drug for 540 of them, across 26 drugs with 11 or more claims each, at $25,495 in total drug cost. In 2023, CMS named 1,387 claims across 49 drugs.
Part D claims, 2024956
Drugs named by CMS26
Total drug cost$25,495
Part D patients368
Dr. Han's Part D claims by kind of drug, 2024
- Generic854 claims89%
- Brand-name and other102 claims11%
Dr. Han'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. Han's Part D claims, 2024
- Antibiotics8%73 of 956 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: 1,3872024: 54061%
Drugs named by CMS: 26 in 2024, 49 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. Yu Han offers telehealth to Medicare patients
Dr. Han accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Han as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Yu Han has 193 publications on record
Dmand AI links 193 papers to Dr. Han, published from 2011 to 2025. 2024 was the busiest year, with 19. The most frequent topics are Brain Neoplasms, Cell Line, Tumor and Glioblastoma. Dr. Han has published most often in Nat Commun. Dr. Han's most frequent co-authors are Maciej S. Lesniak, MD, Mahua Dey, MD and Bart Thaci, MD.
Papers193
Years published2011 to 2025
Dr. Han's papers by year, 2016 to 2025
Topics Dr. Han writes about most
- Brain Neoplasms
- Cell Line, Tumor
- Glioblastoma
- Mice, Inbred C57BL
- Disease Models, Animal
- Glioma
- Xenograft Model Antitumor Assays
- Nanoparticles
Dr. Han's most frequent co-authors
Recent publications by Dr. Han
Nat Methods
Cell Line, TumorCRISPR-Cas SystemsSingle-Cell Analysis
AstrocytesBrainCell Adhesion
See who Dr. Han researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Han 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. Yu Han received $43 in industry payments from 2018 to 2019
CMS Open Payments shows 3 general payments to Dr. Han from 3 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $16.
General payments to Dr. Han by program year, 2018 to 2019
Companies that paid Dr. Han the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Yu Han'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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) |
| 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. Yu Han
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. Yu Han's NPI number?
Dr. Yu Han's NPI number is 1295122356. It was assigned on April 16, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Yu Han?
Dr. Yu Han is an internist in Martinez, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yu Han practice?
Dr. Han practices at 2500 Alhambra Avenue, Martinez, CA 94553. Dr. Han's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. Dmand AI also links Dr. Han to 2 medical groups, 1 group practice or clinic and 1 home health agency.
What is Dr. Yu Han's office phone number?
The practice phone on file for Dr. Han is (925) 370-5000.
What is Dr. Yu Han's medical license number?
Dr. Han holds Washington license MD60916507.
Which hospitals is Dr. Yu Han affiliated with?
Dr. Han practices at Contra Costa Regional Medical Center in Martinez, California.
What medical group is Dr. Yu Han part of?
Dr. Han is linked to West County Adult Mental Health Services. Dmand AI links Dr. Han to 2 more medical groups.
Does Dr. Yu Han accept Medicare?
Yes. CMS data shows Dr. Han billed Medicare for 67 services in 2024, and Dr. Han accepts Medicare assignment.
Does Dr. Yu Han offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Han as offering telehealth services.
How many Medicare patients does Dr. Yu Han see?
CMS counts 50 Medicare patients who saw Dr. Han in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
What services does Dr. Yu Han bill to Medicare?
In 2024, Dr. Han's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. Yu Han prescribe most?
In 2024 Medicare Part D data, Dr. Han's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Yu Han received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Dr. Han from 3 companies from 2018 to 2019. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Yu Han been practicing?
Dr. Han graduated from medical school in 2008, 18 years ago.
Does Dr. Yu Han do research?
Dmand AI links 193 publications to Dr. Han, published from 2011 to 2025.
Who does Dr. Yu Han publish with?
Dr. Han's most frequent co-authors are Maciej S. Lesniak, MD (45 shared papers), Mahua Dey, MD (7 shared papers) and Bart Thaci, MD (6 shared papers).
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