DOROTHY HUI-JIA TAN MD
NPI 1174101976
Internal Medicine in San Francisco, CA

Q: What is Dorothy Hui-jia Tan's NPI number?

The NPI number for Dorothy Hui-jia Tan is 1174101976. It was assigned to this individual provider in the NPPES registry on April 1, 2021.

Q: What is Dorothy Hui-jia Tan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since April 01, 2021PECOS EnrolledAccepts Medicare Assignment

1101 VAN NESS AVE, SAN FRANCISCO, CA 94109(415) 600-6000 Get Directions Write a Review

NPPES record last updated: August 29, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dorothy Hui-jia Tan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DOROTHY HUI-JIA TAN MD (NPI 1174101976) is an individual internal medicine provider in San Francisco, California, licensed in California (A196915) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (2021).

NPPES Registry Identity

NPI1174101976

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDOROTHY HUI-JIA TANCredential: MD

Location Address1101 VAN NESS AVESan Francisco, CA 94109-6919

Mailing Address601 Van Ness Ave Ste E3619San Francisco, CA 94102-3200 · (415) 531-9047 · Fax (415) 213-4659

Phone(415) 600-6000

Sole ProprietorYes

Medical School CMSSaint Louis University School Of MedicineGraduated 2021

Enumeration DateApril 1, 2021

Last NPPES UpdateAugust 29, 2024

NPPES CertifiedAugust 29, 2024

✔ NPI 1174101976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A196915

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1101 VAN NESS AVE, San Francisco, CA 94109

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dorothy Hui-jia Tan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204376569

PECOS Enrollment IDI20240912003614

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Dorothy Hui-jia Tan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pacific Inpatient Medical Group

Same address

Internal Medicine

1101 VAN NESS AVE
San Francisco, CA 94109

Reassigned Medicare billing, California enrollment
213 clinicians in this Medicare group

NPI 1447447248 (415) 531-9047

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

251 services69 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

28 services28 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

25 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LUCY HAN

Pathology (Anatomic Pathology & Clinical Pathology)