TAMMY S. HWANG NP
NPI 1639681513
Nurse Practitioner - Family in San Jose, CA

Active since October 31, 2017PECOS EnrolledAccepts Medicare Assignment
84.92/100
CMS Quality Rating
2506 SAMARITAN CT, SAN JOSE, CA 95124(408) 523-3870 Get Directions Write a Review

NPPES record last updated: June 5, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 5, 2025, Nov 13, 2017, Oct 31, 2017 (3 updates tracked since 2017).

About Tammy S. Hwang Np NPPES

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

TAMMY S. HWANG NP (NPI 1639681513) is an individual family provider in San Jose, California, licensed in California (95007792) and active in the NPI registry since October 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1639681513
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTAMMY S. HWANGCredential: NP
Location Address2506 SAMARITAN CTSan Jose, CA 95124-4001
Mailing Address325 Distel CirLos Altos, CA 94022-1408
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateOctober 31, 2017
Last NPPES UpdateJune 5, 20253 updates tracked since enumeration
NPPES CertifiedJune 5, 2025
NPI 1639681513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in CA · 95007792
2506 SAMARITAN CT, San Jose, CA 95124

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

Tammy S. Hwang Np 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 ID9931467834
PECOS Enrollment IDI20171226001080
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95124 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.92/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality66.98
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
11 suppliers16 claims37 services$4.28 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

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

Clinic/Center (Ambulatory Surgical)
2506 SAMARITAN CT
SAN JOSE, CA 95124
Obstetrics & Gynecology
2506 SAMARITAN CT
SAN JOSE, CA 95124
Surgery
2506 SAMARITAN CT
SAN JOSE, CA 95124
Physician Assistant
2506 SAMARITAN CT
SAN JOSE, CA 95124
Obstetrics & Gynecology
2506 SAMARITAN CT
SAN JOSE, CA 95124
Physician Assistant
2506 SAMARITAN CT
SAN JOSE, CA 95124
Physician Assistant
2506 SAMARITAN CT
SAN JOSE, CA 95124
Nurse Practitioner (Family)
2506 SAMARITAN CT
SAN JOSE, CA 95124

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 Tammy Hwang's NPI number?

The NPI number for Tammy Hwang is 1639681513. It was assigned to this individual provider in the NPPES registry on October 31, 2017.

Where is Tammy Hwang located?

Tammy Hwang practices at 2506 Samaritan Ct, San Jose, CA 95124. The listed phone number is (408) 523-3870.

What is Tammy Hwang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Tammy Hwang enrolled in Medicare?

Yes. Tammy Hwang 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 Tammy Hwang was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.