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TAM CHANG PA-C
NPI 1861537458
Physician Assistant in Worcester, MA

Active since February 21, 2007PECOS EnrolledAccepts Medicare Assignment
456 PARK AVENUE, WORCESTER, MA 01610(508) 796-5661(508) 796-5666 Get Directions Write a Review

NPPES record last updated: May 12, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Tam Chang Pa-c NPPES

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

TAM CHANG PA-C (NPI 1861537458) is an individual physician assistant in Worcester, Massachusetts, licensed in Massachusetts (1271) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with St Vincent Hospital, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1861537458
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameTAM CHANGCredential: PA-C
Location Address456 PARK AVENUEWorcester, MA 01610-2473
Mailing Address456 Park AveWorcester, MA 01610-1227 · (508) 796-5661 · Fax (508) 796-5666
Phone(508) 796-5661
Fax(508) 796-5666
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateFebruary 21, 2007
Last NPPES UpdateMay 12, 2011
✔ NPI 1861537458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MA · 1271
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
456 PARK AVENUE, Worcester, MA 01610
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Other Identifiers 1

Medicare PIN0008099MA

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

Tam Chang Pa-c 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 ID2668532797
PECOS Enrollment IDI20081119000808
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.

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.
65 services35 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.
56 services27 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.
21 services21 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Vincent Hospital

Acute Care Hospitals · Worcester, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220176
Location123 Summer StreetWorcester, MA 01608 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01610 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Tam Chang's NPI number?

The NPI number for Tam Chang is 1861537458. It was assigned to this individual provider in the NPPES registry on February 21, 2007.

Where is Tam Chang located?

Tam Chang practices at 456 Park Avenue, Worcester, MA 01610. The listed phone number is (508) 796-5661.

What is Tam Chang's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Tam Chang enrolled in Medicare?

Yes. Tam Chang 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.

Is Tam Chang affiliated with any hospitals?

According to CMS data, Tam Chang is affiliated with St Vincent Hospital.

When was this NPI record last updated?

The NPPES record for Tam Chang was last updated on May 12, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.