Doctor profile · Federal record
Dr. Mary Hienaman, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Houston, TX
- NPI 1841291721
- Accepts Medicare
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
929 Gessner RD., Suite 2225
Houston, TX 770242501
(713) 365-2900
fax (713) 984-6525
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- April 20, 2022
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Texas #H9993
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841291721. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
143
Distinct HCPCS
4
Medicare allowed
$9,242
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 53 | 53 | $40 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 37 | 37 | $44 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 36 | 30 | $92 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 15 | $130 |
In context: peer comparison
Among 69 peers in this city , average services per provider: 50. This provider delivers 2.9× the peer median.Open Payments
Industry payments received
All-time total
$155
Transactions
14
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ethicon US, LLC | 2 | $54.01 | |
| MAYNE PHARMA COMMERCIAL LLC | 1 | $27.56 | |
| SHIELD THERAPEUTICS INC | 2 | $27.25 | |
| Evofem Biosciences, Inc. | 1 | $19.94 | |
| Astellas Pharma US Inc | 1 | $17.31 | |
| Organon Llc | 7 | $8.72 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
277
Patients
57
Total drug cost
$23,947
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 81 | 38 | $6,548 |
| Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) | Brand | 31 | 19 | $888 |
| Levothyroxine Sodium | Generic | 30 | 0 | $1,368 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 30 | 0 | $2,665 |
| Progesterone (Progesterone, Micronized) | Brand | 21 | 0 | $1,454 |
| Estradiol (Once Weekly) (Estradiol) | Brand | 20 | 0 | $1,104 |
| Fluconazole | Generic | 14 | 0 | $94 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 13 | 0 | $1,620 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 13 | 0 | $148 |
| Premarin (Estrogens, Conjugated) | Brand | 12 | 0 | $7,419 |
Hospital affiliations
Frequently asked questions
What is Dr. Mary Hienaman's medical specialty?
Dr. Mary Hienaman practices Obstetrics & Gynecology Physician in Houston, TX.
Where does Dr. Mary Hienaman practice?
Dr. Mary Hienaman practices at 929 Gessner RD., Houston, TX 770242501. Office phone: 7133652900.
What is Dr. Mary Hienaman's NPI?
Dr. Mary Hienaman's National Provider Identifier (NPI) is 1841291721, issued by NPPES.
Does Dr. Mary Hienaman accept Medicare assignment?
Yes. Dr. Mary Hienaman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Hienaman commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.