Dr. Dorothy Hui-Jia Tan, MD

  • San Francisco, CA
  • Internist
NPI1174101976PAC ID6204376569
Medicare services, 2024
304
Medicare patients, 2024
94
Part D claims, 2024
65
Hospital affiliations
4
Medical group
1
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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Social profiles

Primary practice

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

Acute Care Hospital outpatient department · San Francisco, California

See all 7 affiliations

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Dr. Dorothy Hui-Jia Tan is an internist in San Francisco, California

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

Dr. Tan's NPI, 1174101976, was assigned on April 1, 2021. Dr. Tan graduated from Saint Louis University School of Medicine in 2021. Dr. Tan holds California license A196915.

NPI and contact details
Medicare PAC ID
6204376569
NPI enumeration date
April 1, 2021
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
31
Medical school graduation
2021

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

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

Dr. Tan'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. Dorothy Hui-Jia Tan is affiliated with 6 sites of care and 1 medical group

Dr. Tan's primary practice is California Pacific Medical Center - B.H. Cancer Care Center-Buchanan St - HOPD in San Francisco, California. Dr. Tan 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. Tan to 3 more hospitals and 1 hospice, 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, CA3 hospitalsNames with a free account1 hospiceName with a free account
See all 7 affiliations for Dr. Tan

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Dorothy Hui-Jia Tan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tan practices, 6 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
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Dorothy Hui-Jia Tan is one of 16,751 internists in California

Internal medicine is Dr. Tan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tan is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A196915 · taxonomy 207R00000X

Internists near Dr. Tan

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. Dorothy Hui-Jia Tan billed Medicare for 304 services in 2024

CMS data shows 304 Medicare services from Dr. Tan across 3 procedure codes in 2024, for 94 Medicare patients. Medicare paid $31,658 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024304
Medicare patients94
Paid by Medicare$31,658
Procedure codes3

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

  • Dr. Tan
  • California median
Medicare services
304vs 36116% below
Medicare patients
94vs 15138% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Tan'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. Dorothy Hui-Jia Tan treated 94 Medicare patients in 2024, average age 76

CMS counts 94 Medicare patients who saw Dr. Tan in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.03, 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. Tan's median patient age at 67, with 43% women.

Medicare patients, 202494
Average age76
Average risk score2.03
Also on Medicaid41%

Dr. Tan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tan's Medicare patients by sex, 2024

  • Women4750%
  • Men4750%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Chronic kidney disease45%
  5. Diabetes45%
  6. Mood disorders45%
  7. Anxiety40%
  8. Atrial fibrillation39%

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

Dr. Tan'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

  • Women43%
  • Men52%

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

Dr. Dorothy Hui-Jia Tan wrote 65 Medicare Part D claims in 2024

In 2024, Dr. Tan wrote 65 Medicare Part D claims for 33 patients. 89% of them were for generic drugs.

Part D claims, 202465
Part D patients33

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

  • Generic58 claims89%
  • Brand-name and other7 claims11%

Drug classes CMS tracks in Dr. Tan's Part D claims, 2024

  • Antibiotics29%19 of 65 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Dorothy Hui-Jia Tan takes part in Medicare

Dr. Tan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Dorothy Hui-Jia Tan graduated from Saint Louis University School of Medicine

Dr. Tan graduated from Saint Louis University School of Medicine in 2021.

  1. Medical schoolSaint Louis University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Dorothy Hui-Jia Tan'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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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. Dorothy Hui-Jia Tan

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. Dorothy Hui-Jia Tan's NPI number?

Dr. Dorothy Hui-Jia Tan's NPI number is 1174101976. It was assigned on April 1, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Dorothy Hui-Jia Tan?

Dr. Dorothy Hui-Jia Tan is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Dorothy Hui-Jia Tan practice?

Dr. Tan practices at 2333 Buchanan St, San Francisco, CA 94115. Dr. Tan'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. Tan to 3 hospitals and 1 hospice.

What is Dr. Dorothy Hui-Jia Tan's medical license number?

Dr. Tan holds California license A196915.

Which hospitals is Dr. Dorothy Hui-Jia Tan affiliated with?

Dr. Tan is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Dr. Tan to 3 more hospitals.

What medical group is Dr. Dorothy Hui-Jia Tan part of?

Dr. Tan is linked to Pacific Inpatient Medical Group.

Does Dr. Dorothy Hui-Jia Tan accept Medicare?

Yes. CMS data shows Dr. Tan billed Medicare for 304 services in 2024, and Dr. Tan accepts Medicare assignment.

How many Medicare patients does Dr. Dorothy Hui-Jia Tan see?

CMS counts 94 Medicare patients who saw Dr. Tan in 2024, with an average age of 76.

What services does Dr. Dorothy Hui-Jia Tan bill to Medicare?

In 2024, Dr. Tan's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).

Where did Dr. Dorothy Hui-Jia Tan go to medical school?

Dr. Tan graduated from Saint Louis University School of Medicine in 2021.

How long has Dr. Dorothy Hui-Jia Tan been practicing?

Dr. Tan graduated from medical school in 2021, 5 years ago.

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