Doctor profile · Federal record
Dr. Mary Hernandez-Zhang, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Houston, TX
- NPI 1275652356
- Accepts Medicare
- 22 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2060 Space Park Dr, Suite 302
Houston, TX 770583600
(281) 333-9747
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- September 15, 2014
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #P0406
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275652356. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
511
Distinct HCPCS
10
Medicare allowed
$57,706
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 146 | 105 | $127 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 119 | 92 | $90 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 66 | 66 | $128 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 42 | 42 | $76 | |
G0008 |
Administration of influenza virus vaccine | 42 | 42 | $31 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 31 | 31 | $164 | |
G0009 |
Administration of pneumococcal vaccine | 21 | 21 | $31 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 20 | 20 | $282 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $165 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 11 | 11 | $178 |
In context: peer comparison
Among 393 peers in this city , average services per provider: 127. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$122
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $121.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
500
Patients
195
Total drug cost
$8,490
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 72 | 33 | $2,006 |
| Amlodipine Besylate | Generic | 65 | 26 | $734 |
| Rosuvastatin Calcium | Generic | 52 | 24 | $1,010 |
| Levothyroxine Sodium | Generic | 48 | 16 | $588 |
| Trazodone Hcl | Generic | 36 | 18 | $483 |
| Bupropion Xl (Bupropion Hcl) | Brand | 29 | 0 | $802 |
| Losartan Potassium | Generic | 29 | 13 | $448 |
| Gabapentin | Generic | 26 | 15 | $346 |
| Hydrochlorothiazide | Generic | 26 | 13 | $221 |
| Lisinopril | Generic | 23 | 11 | $220 |
Hospital affiliations
Frequently asked questions
What is Dr. Mary Hernandez-Zhang's medical specialty?
Dr. Mary Hernandez-Zhang practices Internal Medicine Physician in Houston, TX.
Where does Dr. Mary Hernandez-Zhang practice?
Dr. Mary Hernandez-Zhang practices at 2060 Space Park Dr, Houston, TX 770583600. Office phone: 2813339747.
What is Dr. Mary Hernandez-Zhang's NPI?
Dr. Mary Hernandez-Zhang's National Provider Identifier (NPI) is 1275652356, issued by NPPES.
Does Dr. Mary Hernandez-Zhang accept Medicare assignment?
Yes. Dr. Mary Hernandez-Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Hernandez-Zhang 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.