Doctor profile · Federal record
Dr. Margret Chang, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Uxbridge, MA
- NPI 1902124282
- Accepts Medicare
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
281 E Hartford Ave
Uxbridge, MA 015691253
(508) 278-5573
fax (508) 278-7142 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- May 2010 — 16 yrs on file
- Profile last updated
- March 12, 2025
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #258551
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902124282. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
198
Distinct HCPCS
3
Medicare allowed
$13,546
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 108 | 56 | $79 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 56 | 56 | $51 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 34 | 32 | $62 |
In context: peer comparison
Among 7 peers in Uxbridge Internal Medicine Physician, average services per provider: 78. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Cleerly, INC. | 1 | $14.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,205
Patients
251
Total drug cost
$30,179
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 143 | 33 | $3,189 |
| Oxycodone Hcl | Generic | 141 | 15 | $2,515 |
| Omeprazole | Generic | 128 | 35 | $3,449 |
| Lisinopril | Generic | 119 | 26 | $1,041 |
| Amlodipine Besylate | Generic | 84 | 23 | $639 |
| Gabapentin | Generic | 83 | 18 | $1,611 |
| Clonazepam | Generic | 70 | 13 | $630 |
| Metformin Hcl | Generic | 63 | 12 | $436 |
| Hydrochlorothiazide | Generic | 60 | 16 | $124 |
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 57 | 11 | $11,816 |
Hospital affiliations
Frequently asked questions
What is Dr. Margret Chang's medical specialty?
Dr. Margret Chang practices Internal Medicine Physician in Uxbridge, MA.
Where does Dr. Margret Chang practice?
Dr. Margret Chang practices at 281 E Hartford Ave, Uxbridge, MA 015691253. Office phone: 5082785573.
What is Dr. Margret Chang's NPI?
Dr. Margret Chang's National Provider Identifier (NPI) is 1902124282, issued by NPPES.
Does Dr. Margret Chang accept Medicare assignment?
Yes. Dr. Margret Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margret 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.