Doctor profile · Federal record
Dr. Oon Tan, M.D
Dermatology Physician · Boston, MA
- NPI 1992766596
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
243 Charles Street
Boston, MA 02114
(617) 573-6493
fax (617) 424-8428
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- October 8, 2015
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- Massachusetts #51655
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992766596. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
78
Distinct HCPCS
3
Medicare allowed
$6,848
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 45 | $105 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 18 | $71 | |
17000 |
Destruction of precancer skin growth, 1 growth | 14 | 13 | $57 |
In context: peer comparison
Among 69 peers in Boston Dermatology Physician, average services per provider: 115. This provider delivers 0.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
59
Patients
12
Total drug cost
$925
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ammonium Lactate | Generic | 18 | 12 | $370 |
| Triamcinolone Acetonide | Generic | 18 | 0 | $104 |
| Ketoconazole | Generic | 12 | 0 | $207 |
| Clindamycin Phosphate | Generic | 11 | 0 | $244 |
Frequently asked questions
What is Dr. Oon Tan's medical specialty?
Dr. Oon Tan practices Dermatology Physician in Boston, MA.
Where does Dr. Oon Tan practice?
Dr. Oon Tan practices at 243 Charles Street, Boston, MA 02114. Office phone: 6175736493.
What is Dr. Oon Tan's NPI?
Dr. Oon Tan's National Provider Identifier (NPI) is 1992766596, issued by NPPES.
What procedures does Dr. Oon Tan 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 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.