Doctor profile · Federal record
Dr. Maria Tan, MD
General Practice Physician (CMS: Family Practice) · Family Medicine Physician · Missouri City, TX
- NPI 1689666158
- 53 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4501 Cartwright RD, Ste 604
Missouri City, TX 774593534
(281) 499-9606 - Mailing address
-
Po Box 454
Missouri City, TX 774590454
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- March 31, 2010
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 208D00000X — NUCC code
- State license (1)
- Texas #F3356
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689666158. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
110
Distinct HCPCS
2
Medicare allowed
$5,665
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 66 | 29 | $83 | |
36415 |
Insertion of needle into vein for collection of blood sample | 44 | 21 | $5 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 348. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
138
Patients
0
Total drug cost
$5,261
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 25 | 0 | $214 |
| Verapamil Hcl | Generic | 23 | 0 | $200 |
| Ezetimibe-Simvastatin (Ezetimibe/Simvastatin) | Brand | 22 | 0 | $2,051 |
| Rosuvastatin Calcium | Generic | 21 | 0 | $804 |
| Carvedilol | Generic | 12 | 0 | $108 |
| Lovastatin | Generic | 12 | 0 | $218 |
| Synthroid (Levothyroxine Sodium) | Brand | 12 | 0 | $1,629 |
| Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) | Brand | 11 | 0 | $39 |
Frequently asked questions
What is Dr. Maria Tan's medical specialty?
Dr. Maria Tan practices General Practice Physician in Missouri City, TX.
Where does Dr. Maria Tan practice?
Dr. Maria Tan practices at 4501 Cartwright RD, Missouri City, TX 774593534. Office phone: 2814999606.
What is Dr. Maria Tan's NPI?
Dr. Maria Tan's National Provider Identifier (NPI) is 1689666158, issued by NPPES.
Does Dr. Maria Tan accept Medicare assignment?
Dr. Maria Tan does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Maria Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.