Doctor profile · Federal record
Dr. Zachary Keller, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Saint Louis, MO
- NPI 1962865170
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
621 S New Ballas RD Ste 499A
Saint Louis, MO 631418260
(314) 251-7477
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- August 20, 2020
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Missouri #2020023080
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962865170. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
14
Distinct HCPCS
1
Medicare allowed
$1,250
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 11 | $89 |
In context: peer comparison
Among 46 peers in this city , average services per provider: 51. This provider delivers 0.3× the peer median.Open Payments
Industry payments received
All-time total
$443
Transactions
23
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| MAYNE PHARMA COMMERCIAL LLC | 10 | $182.06 | |
| Evofem Biosciences, Inc. | 3 | $59.68 | |
| Astellas Pharma US Inc | 3 | $53.64 | |
| MILLICENT US INC | 2 | $45.80 | |
| Amgen Inc. | 2 | $36.46 | |
| Sumitomo Pharma America, Inc. | 1 | $25.08 | |
| Hologic Sales and Service, LLC | 1 | $23.45 | |
| Aspira Women's Health Inc | 1 | $17.23 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
26
Patients
0
Total drug cost
$1,900
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 15 | 0 | $1,275 |
| Progesterone (Progesterone, Micronized) | Brand | 11 | 0 | $625 |
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Keller's medical specialty?
Dr. Zachary Keller practices Obstetrics & Gynecology Physician in Saint Louis, MO.
Where does Dr. Zachary Keller practice?
Dr. Zachary Keller practices at 621 S New Ballas RD Ste 499A, Saint Louis, MO 631418260. Office phone: 3142517477.
What is Dr. Zachary Keller's NPI?
Dr. Zachary Keller's National Provider Identifier (NPI) is 1962865170, issued by NPPES.
Does Dr. Zachary Keller accept Medicare assignment?
Yes. Dr. Zachary Keller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Keller commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.