Doctor profile · Federal record
Dr. Michelle Tan, MD
Internal Medicine Physician · Gaithersburg, MD
- NPI 1467411959
- 20 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
600 S Frederick Ave, Ste 302
Gaithersburg, MD 208771245
(301) 208-1188
fax (301) 208-1188 - Mailing address
-
12224 Wonder View Way
North Potomac, MD 208783750
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- November 16, 2009
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Maryland #D0060871
- Medicaid
- MD #405459800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467411959. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
565
Distinct HCPCS
5
Medicare allowed
$75,589
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 445 | 142 | $143 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 44 | 25 | $102 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 33 | 27 | $17 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 30 | 30 | $145 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $188 |
In context: peer comparison
Among 10 peers in Gaithersburg Internal Medicine Physician, average services per provider: 102. This provider delivers 5.5× the peer median.Open Payments
Industry payments received
All-time total
$118
Transactions
6
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, INC. | 6 | $118.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,124
Patients
264
Total drug cost
$36,580
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 174 | 46 | $2,704 |
| Amlodipine Besylate | Generic | 148 | 40 | $1,428 |
| Atorvastatin Calcium | Generic | 133 | 31 | $1,887 |
| Metoprolol Succinate | Generic | 108 | 25 | $1,937 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 69 | 16 | $1,091 |
| Rosuvastatin Calcium | Generic | 67 | 20 | $1,891 |
| Metformin Hcl | Generic | 59 | 18 | $693 |
| Hydrochlorothiazide | Generic | 55 | 13 | $490 |
| Tamsulosin Hcl | Generic | 53 | 13 | $1,390 |
| Omeprazole | Generic | 47 | 0 | $450 |
Frequently asked questions
What is Dr. Michelle Tan's medical specialty?
Dr. Michelle Tan practices Internal Medicine Physician in Gaithersburg, MD.
Where does Dr. Michelle Tan practice?
Dr. Michelle Tan practices at 600 S Frederick Ave, Gaithersburg, MD 208771245. Office phone: 3012081188.
What is Dr. Michelle Tan's NPI?
Dr. Michelle Tan's National Provider Identifier (NPI) is 1467411959, issued by NPPES.
What procedures does Dr. Michelle 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.