Doctor profile · Federal record

Dr. Emily Chang, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Millbury, MA

  • NPI 1467848382
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
65 Canal St
Millbury, MA 01527
(508) 865-9960
fax (508) 865-3399
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
November 4, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #273807

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467848382. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
801
Distinct HCPCS
10
Medicare allowed
$57,175
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 294 165 $83
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 182 182 $47
99213 Established patient office or other outpatient visit, 20-29 minutes 139 108 $75
99215 Established patient office or other outpatient visit, 40-54 minutes 38 32 $104
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 28 19 $54
G0008 Administration of influenza virus vaccine 25 25 $34
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 18 18 $15
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 17 17 $272
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 17 17 $20
G0009 Administration of pneumococcal vaccine 16 16 $34

In context: peer comparison

Among 3 peers in Millbury Internal Medicine Physician, average services per provider: 60. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $21.97

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,570
Patients
848
Total drug cost
$158,197
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 375 110 $10,779
Losartan Potassium Generic 241 73 $5,349
Amlodipine Besylate Generic 217 69 $1,982
Hydrochlorothiazide Generic 206 68 $1,259
Omeprazole Generic 179 66 $4,547
Rosuvastatin Calcium Generic 178 59 $10,053
Levothyroxine Sodium Generic 170 51 $3,177
Gabapentin Generic 166 75 $3,255
Metoprolol Succinate Generic 162 50 $4,830
Simvastatin Generic 157 46 $2,527

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Emily Chang's medical specialty?
Dr. Emily Chang practices Internal Medicine Physician in Millbury, MA.
Where does Dr. Emily Chang practice?
Dr. Emily Chang practices at 65 Canal St, Millbury, MA 01527. Office phone: 5088659960.
What is Dr. Emily Chang's NPI?
Dr. Emily Chang's National Provider Identifier (NPI) is 1467848382, issued by NPPES.
Does Dr. Emily Chang accept Medicare assignment?
Yes. Dr. Emily Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Emily Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.