Doctor profile · Federal record
Dr. Alaina Kessler, MD
Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Saint Louis, MO
- NPI 1043697063
- Accepts Medicare
- 11 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Barnes Jewish Hospital Plz, Div Im Medical Oncology
Saint Louis, MO 631101003
(800) 647-2098
fax (314) 362-3192 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- June 6, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Missouri #2025017003
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043697063. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
280
Distinct HCPCS
7
Medicare allowed
$39,985
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 81 | 50 | $160 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 66 | 48 | $108 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 54 | 40 | $109 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 45 | 23 | $160 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 12 | 12 | $194 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 11 | 11 | $204 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 11 | 11 | $204 |
In context: peer comparison
Among 44 peers in Saint Louis Medical Oncology Physician, average services per provider: 919. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
481
Patients
166
Total drug cost
$26,938
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 303 | 104 | $8,016 |
| Letrozole | Generic | 55 | 22 | $1,378 |
| Tamoxifen Citrate | Generic | 55 | 24 | $1,796 |
| Exemestane | Generic | 51 | 16 | $15,559 |
| Gabapentin | Generic | 17 | 0 | $189 |
Hospital affiliations
Frequently asked questions
What is Dr. Alaina Kessler's medical specialty?
Dr. Alaina Kessler practices Medical Oncology Physician in Saint Louis, MO.
Where does Dr. Alaina Kessler practice?
Dr. Alaina Kessler practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 8006472098.
What is Dr. Alaina Kessler's NPI?
Dr. Alaina Kessler's National Provider Identifier (NPI) is 1043697063, issued by NPPES.
Does Dr. Alaina Kessler accept Medicare assignment?
Yes. Dr. Alaina Kessler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alaina Kessler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.