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DR. TIFFANY WEN-AN GUO M.D.
NPI 1922549286
Internal Medicine in San Jose, CA

Active since March 19, 2017PECOS Enrolled
751 S BASCOM AVE, SAN JOSE, CA 95128(888) 334-1000 Get Directions Write a Review

NPPES record last updated: July 13, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2020, Mar 19, 2017 (2 updates tracked since 2017).

About Dr. Tiffany Wen-an Guo M.d. NPPES

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

DR. TIFFANY WEN-AN GUO M.D. (NPI 1922549286) is an individual internal medicine provider in San Jose, California, licensed in California (A157135) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922549286
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. TIFFANY WEN-AN GUOCredential: M.D.
Location Address751 S BASCOM AVESan Jose, CA 95128-2604
Mailing Address20488 Stevens Creek Blvd Apt 1105Cupertino, CA 95014-2282
Phone(888) 334-1000
Sole ProprietorYes
Enumeration DateMarch 19, 2017
Last NPPES UpdateJuly 13, 20202 updates tracked since enumeration
NPPES CertifiedJuly 13, 2020
✔ NPI 1922549286 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 · A157135
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.
751 S BASCOM AVE, San Jose, CA 95128
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tiffany Wen-an Guo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 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.

Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
42 services27 patients
Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 99345
A new patient home visit is a comprehensive 75-minute appointment conducted at your home. The healthcare professional will assess your health, discuss any concerns, and create a personalized care plan. It's convenient, comfortable, and tailored to your specific needs.
24 services24 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
24 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95128 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

MS. TRANG N NGUYEN PHARM.D
Pharmacist
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-2360
DR. ILANA TRAYNIS M.D.
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE, DEPARTMENT OF MEDICINE
SAN JOSE, CA 95128
Santa Clara County (408) 885-6300
DR. ABBY KATHERINE SCURFIELD MD
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
GABRIELLE MINEHAN CCP
Perfusionist
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
PRIYA NIGAM MD
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
CAROLINE DENISON JORDAN
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
MICHAEL NATHANSON MD, PHD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
751 S BASCOM AVE, CARDIAC SURGERY DEPT
SAN JOSE, CA 95128
Santa Clara County (408) 885-5000
EAMONN PATRICK DUNPHY MD
Internal Medicine
751 S BASCOM AVE, RADIATION ONCOLOGY
SAN JOSE, CA 95128
Santa Clara County (408) 885-4150

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 Tiffany Guo's NPI number?

The NPI number for Tiffany Guo is 1922549286. It was assigned to this individual provider in the NPPES registry on March 19, 2017.

Where is Tiffany Guo located?

Tiffany Guo practices at 751 S Bascom Ave, San Jose, CA 95128. The listed phone number is (888) 334-1000.

What is Tiffany Guo's specialty?

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

Is Tiffany Guo enrolled in Medicare?

Yes. Tiffany Guo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tiffany Guo was last updated on July 13, 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.