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MARGRET W CHANG M.D.
NPI 1902124282
Internal Medicine in Uxbridge, MA

Active since May 11, 2010PECOS EnrolledAccepts Medicare Assignment
281 E HARTFORD AVE, UXBRIDGE, MA 01569(508) 278-5573(508) 278-7142 Get Directions Write a Review

NPPES record last updated: March 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Margret W Chang M.d. NPPES

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

MARGRET W CHANG M.D. (NPI 1902124282) is an individual internal medicine provider in Uxbridge, Massachusetts, licensed in Massachusetts (258551) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, is affiliated with Milford Regional Medical Center, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1902124282
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARGRET W CHANGCredential: M.D.
Location Address281 E HARTFORD AVEUxbridge, MA 01569-1253
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (800) 225-8885 · Fax (508) 334-1977
Phone(508) 278-5573
Fax(508) 278-7142
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateMay 11, 2010
Last NPPES UpdateMarch 12, 2025
NPPES CertifiedMarch 12, 2025
✔ NPI 1902124282 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 MA · 258551
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 ListedPediatricsTaxonomy 208000000X · License 258551 (MA)
281 E HARTFORD AVE, Uxbridge, MA 01569
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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 and accepts Medicare assignment

Margret W Chang M.d. 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 ID2062630080
PECOS Enrollment IDI20140904000129
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 4

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.
112 services52 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.
56 services56 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.
32 services29 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.
19 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220090
Location14 Prospect StreetMilford, MA 01757 · Worcester County
Emergency services Birthing friendly

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01569 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

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
7 suppliers15 claims37 services$6.24 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier13 claims13 services$53.54 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 20

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

DR. PETER J DAIN M.D.
Internal Medicine
281 E HARTFORD AVE
UXBRIDGE, MA 01569
Worcester County (508) 278-5573
DAVID GEYER
Nurse Practitioner (Pediatrics)
281 E HARTFORD AVE
UXBRIDGE, MA 01569
Worcester County (508) 278-5573
ROBERT J. POLLITT D.O.
Internal Medicine
281 E HARTFORD AVE, TRI RIVER HEALTH CENTER
UXBRIDGE, MA 01569
Worcester County (508) 278-5573
ANDREW M SIBER M.D.
Internal Medicine
281 E HARTFORD AVE
UXBRIDGE, MA 01569
Worcester County (508) 278-5573
DENNIS R. PANNULLO M.D.
Internal Medicine
281 E HARTFORD AVE
UXBRIDGE, MA 01569
Worcester County (508) 278-5573
ALYSSA M MIRANDA FNP
Nurse Practitioner (Family)
281 E HARTFORD AVE
UXBRIDGE, MA 01569
Worcester County (508) 278-5573
CHIAKI NAKATA M.D.
Internal Medicine
281 E HARTFORD AVE
UXBRIDGE, MA 01569
Worcester County (508) 278-5573
KIMBERLEE CASHIN N.P.
Nurse Practitioner
281 E HARTFORD AVE
UXBRIDGE, MA 01569
Worcester County (508) 278-5573

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 Margret Chang's NPI number?

The NPI number for Margret Chang is 1902124282. It was assigned to this individual provider in the NPPES registry on May 11, 2010.

Where is Margret Chang located?

Margret Chang practices at 281 E Hartford Ave, Uxbridge, MA 01569. The listed phone number is (508) 278-5573.

What is Margret Chang's specialty?

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

Is Margret Chang enrolled in Medicare?

Yes. Margret 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 Margret Chang affiliated with any hospitals?

According to CMS data, Margret Chang is affiliated with Milford Regional Medical Center and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Margret Chang was last updated on March 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.