DR. SANDRA HSIAO-CHUANG TAN MD
NPI 1972527489
Family Medicine in Oceanside, CA

Active since July 27, 2006PECOS EnrolledAccepts Medicare Assignment
4318 MISSION AVE, OCEANSIDE, CA 92057(760) 901-5010 Get Directions Write a Review

NPPES record last updated: February 26, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Sandra Hsiao-chuang Tan Md NPPES

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

DR. SANDRA HSIAO-CHUANG TAN MD (NPI 1972527489) is an individual family medicine provider in Oceanside, California, licensed in California (A64303) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1996).

NPPES Registry Identity

NPI1972527489
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. SANDRA HSIAO-CHUANG TANCredential: MD
Location Address4318 MISSION AVEOceanside, CA 92057-6541
Mailing Address10790 Rancho Bernardo RdSan Diego, CA 92127-5705 · (760) 901-5010
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1996
Enumeration DateJuly 27, 2006
Last NPPES UpdateFebruary 26, 2020
NPI 1972527489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · A64303
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4318 MISSION AVE, Oceanside, CA 92057

Other Identifiers 1

Medicaid00A643030CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Sandra Hsiao-chuang 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 ID2062561236
PECOS Enrollment IDI20090518000388
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.

Areas of Expertise CMS Part B claims 8

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
165 services111 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
83 services64 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
73 services47 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
57 services57 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
44 services43 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
44 services43 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92057 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Registered Nurse (Women's Health Care, Ambulatory)
4318 MISSION AVE
OCEANSIDE, CA 92057
Nurse Practitioner (Family)
4318 MISSION AVE
OCEANSIDE, CA 92057
Nurse Practitioner (Family)
4318 MISSION AVE
OCEANSIDE, CA 92057
Family Medicine
4318 MISSION AVE
OCEANSIDE, CA 92057
Internal Medicine
4318 MISSION AVE
OCEANSIDE, CA 92057
Pediatrics
4318 MISSION AVE
OCEANSIDE, CA 92057
Nurse Practitioner (Family)
4318 MISSION AVE
OCEANSIDE, CA 92057
Pediatrics
4318 MISSION AVE
OCEANSIDE, CA 92057

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sandra Tan's NPI number?

The NPI number for Sandra Tan is 1972527489. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Sandra Tan located?

Sandra Tan practices at 4318 Mission Ave, Oceanside, CA 92057. The listed phone number is (760) 901-5010.

What is Sandra Tan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Sandra Tan enrolled in Medicare?

Yes. Sandra Tan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Sandra Tan was last updated on February 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.