Doctor profile · Federal record
Dr. Isabelle Zamfirescu, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · South Weymouth, MA
- NPI 1881802031
- Accepts Medicare
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
541 Main St, Suite 210
South Weymouth, MA 021901868
(781) 952-1280
fax (781) 952-1570
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- April 20, 2010
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Massachusetts #242591
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881802031. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
9,427
Distinct HCPCS
10
Medicare allowed
$290,159
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 7,800 | 87 | $23 | |
36415 |
Insertion of needle into vein for collection of blood sample | 458 | 344 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 408 | 284 | $139 | |
J3489 |
Injection, zoledronic acid, 1 mg | 222 | 46 | $9 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 171 | 164 | $99 | |
96372 |
Injection of drug or substance under skin or into muscle | 149 | 93 | $16 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 49 | 49 | $180 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 43 | 43 | $75 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 23 | 23 | $88 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 21 | 20 | $196 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 579. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$110
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $109.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,187
Patients
742
Total drug cost
$796,558
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 382 | 129 | $6,613 |
| Trulicity (Dulaglutide) | Brand | 217 | 48 | $262,587 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 211 | 87 | $4,000 |
| Glipizide Er (Glipizide) | Brand | 194 | 66 | $6,236 |
| Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 160 | 66 | $17,476 |
| Ozempic (Semaglutide) | Brand | 153 | 32 | $200,527 |
| Metformin Hcl | Generic | 125 | 49 | $4,473 |
| Basaglar Kwikpen U-100 (Insulin Glargine,hum.Rec.Anlog) | Brand | 122 | 39 | $88,677 |
| Atorvastatin Calcium | Generic | 118 | 53 | $2,433 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 115 | 46 | $81,525 |
Hospital affiliations
Frequently asked questions
What is Dr. Isabelle Zamfirescu's medical specialty?
Dr. Isabelle Zamfirescu practices Endocrinology, Diabetes & Metabolism Physician in South Weymouth, MA.
Where does Dr. Isabelle Zamfirescu practice?
Dr. Isabelle Zamfirescu practices at 541 Main St, South Weymouth, MA 021901868. Office phone: 7819521280.
What is Dr. Isabelle Zamfirescu's NPI?
Dr. Isabelle Zamfirescu's National Provider Identifier (NPI) is 1881802031, issued by NPPES.
Does Dr. Isabelle Zamfirescu accept Medicare assignment?
Yes. Dr. Isabelle Zamfirescu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isabelle Zamfirescu commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.