Doctor profile · Federal record
Dr. Francine Ton Nghiem, MD
Rheumatology Physician (CMS: Rheumatology) · Cambridge, MA
- NPI 1902862451
- Accepts Medicare
- 30 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
300 Mount Auburn St, Ste 410
Cambridge, MA 021385600
(617) 868-2650
fax (617) 868-2641 - Mailing address
-
1 Arsenal Market Pl
Watertown, MA 024725018
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Massachusetts #159803
- Medicaid
- MA #0199818
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902862451. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
250
Distinct HCPCS
5
Medicare allowed
$28,460
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 139 | 90 | $104 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 51 | 29 | $104 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $142 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 17 | $153 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 12 | $138 |
In context: peer comparison
Among 4 peers in Cambridge Rheumatology Physician, average services per provider: 70. This provider delivers 3.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
803
Patients
103
Total drug cost
$1,211,670
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 175 | 31 | $6,797 |
| Prednisone | Generic | 70 | 22 | $454 |
| Allopurinol | Generic | 62 | 11 | $1,136 |
| Diclofenac Sodium | Generic | 58 | 13 | $1,342 |
| Hydroxychloroquine Sulfate | Generic | 55 | 13 | $2,880 |
| Enbrel Mini (Etanercept) | Brand | 48 | 0 | $359,388 |
| Azathioprine | Generic | 47 | 0 | $2,796 |
| Naproxen | Generic | 47 | 13 | $525 |
| Sulfasalazine | Generic | 44 | 0 | $1,913 |
| Meloxicam | Generic | 39 | 0 | $238 |
Frequently asked questions
What is Dr. Francine Ton Nghiem's medical specialty?
Dr. Francine Ton Nghiem practices Rheumatology Physician in Cambridge, MA.
Where does Dr. Francine Ton Nghiem practice?
Dr. Francine Ton Nghiem practices at 300 Mount Auburn St, Cambridge, MA 021385600. Office phone: 6178682650.
What is Dr. Francine Ton Nghiem's NPI?
Dr. Francine Ton Nghiem's National Provider Identifier (NPI) is 1902862451, issued by NPPES.
Does Dr. Francine Ton Nghiem accept Medicare assignment?
Yes. Dr. Francine Ton Nghiem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Francine Ton Nghiem commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.