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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TIFFANY AITHY PHAM
NPI 1710513429
Internal Medicine in San Jose, CA

Active since March 14, 2020PECOS EnrolledAccepts Medicare Assignment
751 S BASCOM AVE, SAN JOSE, CA 95128(408) 885-5000 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 6, 2026, Apr 4, 2023, Mar 14, 2020 (3 updates tracked since 2020).

About Tiffany Aithy Pham NPPES

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

TIFFANY AITHY PHAM (NPI 1710513429) is an individual internal medicine provider in San Jose, California, licensed in California (25021) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1710513429
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTIFFANY AITHY PHAM
Location Address751 S BASCOM AVESan Jose, CA 95128-2604
Mailing Address751 S Bascom AveSan Jose, CA 95128-2604 · (408) 885-5000
Phone(408) 885-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 14, 2020
Last NPPES UpdateOctober 6, 20263 updates tracked since enumeration
NPPES CertifiedOctober 6, 2026
✔ NPI 1710513429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 25021
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.
Also ListedHealth EducatorTaxonomy 174H00000X
751 S BASCOM AVE, San Jose, CA 95128
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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

Tiffany Aithy Pham 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 ID6406274679
PECOS Enrollment IDI20260515001990
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 Tiffany Pham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Santa Clara
Same address
Anesthesiology
751 S. BASCOM AVENUE
San Jose, CA 95128
  • Reassigned Medicare billing, California enrollment
  • 2,460 clinicians in this Medicare group
NPI 1588721500 (408) 885-5000

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

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 Pham's NPI number?

The NPI number for Tiffany Pham is 1710513429. It was assigned to this individual provider in the NPPES registry on March 14, 2020.

Where is Tiffany Pham located?

Tiffany Pham practices at 751 S Bascom Ave, San Jose, CA 95128. The listed phone number is (408) 885-5000.

What is Tiffany Pham's specialty?

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

Is Tiffany Pham enrolled in Medicare?

Yes. Tiffany Pham 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.

Which organization bills Medicare for Tiffany Pham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Pham reassigns Medicare benefits to County Of Santa Clara (San Jose, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tiffany Pham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Tiffany Pham was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.