Doctor profile · Federal record
Dr. Mary Holloran-Schwartz, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Gynecology Physician · Obstetrics Physician · Saint Louis, MO
- NPI 1184655474
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1031 Bellevue Ave, Suite 400
Saint Louis, MO 631171818
(314) 977-7455
fax (314) 977-7477 - Mailing address
-
6420 Clayton RD, Suite 290
Saint Louis, MO 631171811
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- August 9, 2010
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Missouri #110456
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184655474. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
77
Distinct HCPCS
3
Medicare allowed
$4,705
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 37 | 37 | $38 | |
76830 |
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 21 | 18 | $118 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 19 | 19 | $42 |
In context: peer comparison
Among 46 peers in this city , average services per provider: 51. This provider delivers 1.5× the peer median.Open Payments
Industry payments received
All-time total
$1,495
Transactions
4
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gynesonics, Inc. | 4 | $1,495.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
48
Patients
13
Total drug cost
$1,864
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 32 | 13 | $1,764 |
| Acyclovir | Generic | 16 | 0 | $100 |
Frequently asked questions
What is Dr. Mary Holloran-Schwartz's medical specialty?
Dr. Mary Holloran-Schwartz practices Obstetrics & Gynecology Physician in Saint Louis, MO.
Where does Dr. Mary Holloran-Schwartz practice?
Dr. Mary Holloran-Schwartz practices at 1031 Bellevue Ave, Saint Louis, MO 631171818. Office phone: 3149777455.
What is Dr. Mary Holloran-Schwartz's NPI?
Dr. Mary Holloran-Schwartz's National Provider Identifier (NPI) is 1184655474, issued by NPPES.
Does Dr. Mary Holloran-Schwartz accept Medicare assignment?
Yes. Dr. Mary Holloran-Schwartz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Holloran-Schwartz commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.