Doctor profile · Federal record
Dr. Kathryn Diemer, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Saint Louis, MO
- NPI 1891713590
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 41 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10 Barnes West Dr, Div Im Bone and Mineral, Ste 200
Saint Louis, MO 631416287
(314) 454-7775
fax (314) 996-3087 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Missouri #R1G54
- Medicaid
- MO #202711230
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891713590. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
28,763
Distinct HCPCS
7
Medicare allowed
$615,894
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 15,660 | 248 | $23 | |
J3111 |
Injection, romosozumab-aqqg, 1 mg | 9,450 | 32 | $10 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 1,783 | 1,778 | $38 | |
77089 |
Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk | 1,061 | 1,060 | $40 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 489 | 487 | $89 | |
96372 |
Injection of drug or substance under skin or into muscle | 308 | 278 | $14 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 12 | 12 | $63 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 421. This provider delivers 68× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
107
Patients
32
Total drug cost
$124,046
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Vitamin D2 (Ergocalciferol (Vitamin D2)) | Brand | 66 | 32 | $256 |
| Tymlos (Abaloparatide) | Brand | 41 | 0 | $123,790 |
Hospital affiliations
Frequently asked questions
What is Dr. Kathryn Diemer's medical specialty?
Dr. Kathryn Diemer practices Endocrinology, Diabetes & Metabolism Physician in Saint Louis, MO.
Where does Dr. Kathryn Diemer practice?
Dr. Kathryn Diemer practices at 10 Barnes West Dr, Saint Louis, MO 631416287. Office phone: 3144547775.
What is Dr. Kathryn Diemer's NPI?
Dr. Kathryn Diemer's National Provider Identifier (NPI) is 1891713590, issued by NPPES.
Does Dr. Kathryn Diemer accept Medicare assignment?
Yes. Dr. Kathryn Diemer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Diemer commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Injection, romosozumab-aqqg, 1 mg (HCPCS J3111); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080). Source: CMS Medicare Physician & Other Practitioners file.