Dr. Semi Han, MD

  • San Francisco, CA
  • Internist
NPI1023554631PAC ID9931520244
Medicare services, 2024
279
Medicare patients, 2024
118
Part D claims, 2024
66
MIPS score, 2024
100
Hospital affiliations
3
Practice address
2333 Buchanan St, San Francisco, CA 94115
Professional email
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Personal email
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Mobile number
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Primary practice

California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD

Acute Care Hospital outpatient department · San Francisco, California

See all 5 affiliations

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Dr. Semi Han is an internist in San Francisco, California

Dr. Han practices at California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California.

Dr. Han's NPI, 1023554631, was assigned on January 7, 2017. Dr. Han graduated from University of California, Davis School of Medicine in 2018. Dr. Han holds California license A164518.

NPI and contact details
Medicare PAC ID
9931520244
NPI enumeration date
January 7, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

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

Dr. Semi Han practices at California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California

Dr. Han's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD, at 2333 Buchanan St, San Francisco, CA 94115.

  • California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD
    2333 Buchanan St, San Francisco, CA 94115

Source: Dmand AI Affiliation Data

Dr. Semi Han is affiliated with 4 sites of care and 1 medical group

Dr. Han's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California. Dr. Han is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Pacific Inpatient Medical Group. Dmand AI also links Dr. Han to 2 more hospitals, each named with a free account.

California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPDAcute Care Hospital outpatient department · San Francisco, CaliforniaPrimary
California Pacific Medical Center Van Ness CampusAcute care hospital, San Francisco, CAPacific Inpatient Medical GroupPrimary care group, San Francisco, CA2 hospitalsNames with a free account
See all 5 affiliations for Dr. Han

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Semi Han's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Han practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPDAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Semi 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 California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A164518 · taxonomy 207R00000X

Internists near Dr. Han

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. Semi Han billed Medicare for 279 services in 2024

CMS data shows 279 Medicare services from Dr. Han across 6 procedure codes in 2024, for 118 Medicare patients. Medicare paid $29,285 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024279
Medicare patients118
Paid by Medicare$29,285
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 6662024: 26560%
Other services
2023: 472024: 1470%

Dr. Han compared with the California median for internists, 2024

  • Dr. Han
  • California median
Medicare services
279vs 36123% below
Medicare patients
118vs 15122% below
Part D claims
14vs 42197% below

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.

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

Dr. Semi Han treated 118 Medicare patients in 2024, average age 75

CMS counts 118 Medicare patients who saw Dr. Han in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 51% are also on Medicaid. Their average risk score is 2.40, 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. Han's median patient age at 68, with 43% women.

Medicare patients, 2024118
Average age75
Average risk score2.40
Also on Medicaid51%

Dr. Han's Medicare patients by age, 2024

Dr. Han's Medicare patients by sex, 2024

  • Women5547%
  • Men6353%

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

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis49%
  4. Mood disorders45%
  5. Chronic kidney disease44%
  6. Depression41%
  7. Ischemic heart disease39%
  8. Diabetes37%

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 68

Patient panel by sex, all payers

  • Women43%
  • Men51%

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

Dr. Semi Han wrote 66 Medicare Part D claims in 2024

In 2024, Dr. Han wrote 66 Medicare Part D claims for 33 patients. 85% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $21 in total drug cost. In 2023, CMS named 12 claims across 1 drug.

Part D claims, 202466
Drugs named by CMS1
Total drug cost$21
Part D patients33

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

  • Generic56 claims85%
  • Brand-name and other10 claims15%

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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 122024: 1417%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Han

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. Semi Han scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Han for performance year 2024, reported as part of a group. Dr. Han accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Han's MIPS scores, performance year 2024

  • 100of 100Final score
  • 90of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 78of 100Cost

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

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

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Dr. Semi Han graduated from University of California, Davis School of Medicine

Dr. Han graduated from University of California, Davis School of Medicine in 2018.

  1. Medical schoolUniversity of California, Davis School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Semi Han'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 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)
Training, board certification and membershipsDmand AI Professional Profile 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. Semi 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. Semi Han's NPI number?

Dr. Semi Han's NPI number is 1023554631. It was assigned on January 7, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Semi Han?

Dr. Semi Han is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Semi Han practice?

Dr. Han practices at 2333 Buchanan St, San Francisco, CA 94115. Dr. Han's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California. Dmand AI also links Dr. Han to 2 hospitals.

What is Dr. Semi Han's medical license number?

Dr. Han holds California license A164518.

Which hospitals is Dr. Semi Han affiliated with?

Dr. Han is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Han to 2 more hospitals.

What medical group is Dr. Semi Han part of?

Dr. Han is linked to Pacific Inpatient Medical Group.

Does Dr. Semi Han accept Medicare?

Yes. CMS data shows Dr. Han billed Medicare for 279 services in 2024, and Dr. Han accepts Medicare assignment.

What is Dr. Semi Han's MIPS score?

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

How many Medicare patients does Dr. Semi Han see?

CMS counts 118 Medicare patients who saw Dr. Han in 2024, with an average age of 75.

What services does Dr. Semi Han bill to Medicare?

In 2024, Dr. Han's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

Show 3 more questionsShow fewer questions

Where did Dr. Semi Han go to medical school?

Dr. Han graduated from University of California, Davis School of Medicine in 2018.

What drugs does Dr. Semi Han prescribe most?

In 2024 Medicare Part D data, Dr. Han's most prescribed drugs by claims were Atorvastatin Calcium.

How long has Dr. Semi Han been practicing?

Dr. Han graduated from medical school in 2018, 8 years ago.

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