Doctor profile · Federal record
Dr. Dan Tang, M.D.
Internal Medicine Physician (CMS: Endocrinology) · Cambridge, MA
- NPI 1992990394
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
330 Mount Auburn St
Cambridge, MA 021385502
(617) 492-3500
Credentials & registration
- NPI registered
- September 2007 — 19 yrs on file
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #224540
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992990394. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,114
Distinct HCPCS
8
Medicare allowed
$102,825
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 618 | 353 | $129 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 163 | 94 | $35 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 125 | 108 | $3 | |
83036 |
Hemoglobin a1c level | 89 | 78 | $9 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 54 | 54 | $170 | |
G0108 |
Diabetes outpatient self-management training services, individual, per 30 minutes | 32 | 26 | $56 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 19 | 19 | $175 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 14 | 12 | $130 |
In context: peer comparison
Among 70 peers in this city , average services per provider: 94. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$1,034
Transactions
43
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 11 | $249.77 | |
| Abbott Laboratories | 7 | $179.63 | |
| Xeris Pharmaceuticals, Inc. | 5 | $102.27 | |
| Novo Nordisk Inc | 4 | $85.96 | |
| Corcept Therapeutics | 2 | $54.79 | |
| Tolmar, Inc. | 2 | $46.30 | |
| Astellas Pharma US Inc | 2 | $39.49 | |
| PFIZER INC. | 2 | $37.25 | |
| Antares Pharma, Inc. | 2 | $36.48 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $26.32 | |
| Tandem Diabetes Care, Inc. | 1 | $25.96 | |
| Dexcom, Inc. | 1 | $25.61 | |
| Mannkind Corporation | 1 | $24.67 | |
| Amgen Inc. | 1 | $24.43 | |
| Medtronic, Inc. | 1 | $20.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,728
Patients
720
Total drug cost
$1,540,310
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trulicity (Dulaglutide) | Brand | 343 | 57 | $449,944 |
| Levothyroxine Sodium | Generic | 319 | 92 | $5,627 |
| Jardiance (Empagliflozin) | Brand | 303 | 57 | $255,309 |
| Metformin Hcl | Generic | 227 | 66 | $6,100 |
| Novolog Flexpen (Insulin Aspart) | Brand | 227 | 68 | $223,640 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 194 | 57 | $3,110 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 193 | 56 | $123,531 |
| Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 172 | 58 | $16,458 |
| Ultra-Fine Short Pen Needle (Pen Needle, Diabetic) | Brand | 147 | 54 | $13,309 |
| Basaglar Kwikpen U-100 (Insulin Glargine,hum.Rec.Anlog) | Brand | 131 | 34 | $91,392 |
Hospital affiliations
Frequently asked questions
What is Dr. Dan Tang's medical specialty?
Dr. Dan Tang practices Internal Medicine Physician in Cambridge, MA.
Where does Dr. Dan Tang practice?
Dr. Dan Tang practices at 330 Mount Auburn St, Cambridge, MA 021385502. Office phone: 6174923500.
What is Dr. Dan Tang's NPI?
Dr. Dan Tang's National Provider Identifier (NPI) is 1992990394, issued by NPPES.
Does Dr. Dan Tang accept Medicare assignment?
Dr. Dan Tang does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Dan Tang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962). Source: CMS Medicare Physician & Other Practitioners file.