PROVIDER PROFILE · NPI 1891713590

Kathryn DiemerMD

Internal MedicineSaint Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,501

Unique beneficiaries

—

Total services

25,212

Distinct HCPCS

Medicare payment

$463K

Peer benchmark

Total Medicare services vs. 1,563 Internal Medicine providers in MO — top quintile (cohort median 658).

PRESCRIBING · PART D · 2024

Total Rx claims

100

Beneficiaries

—

Total drug cost

$169K

Distinct drugs

Brand share

75.0%

Top prescribed drugs

Ergocalciferol (Vitamin D2)40 claims

Abaloparatide35 claims

Teriparatide25 claims

QUALITY · MIPS · 2024

Final MIPS score

84.2

Quality

71.6

Cost

75.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.39%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Kathryn Diemer's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MISSOURI BAPTIST MEDICAL CENTER	160	322
MERCY HOSPITALS EAST COMMUNITIES	83	218
Richard Ostlund Endocrinology · Saint Louis, MO	77	89
ST. LUKES EPISCOPAL-PRESBYTERIAN HOSPITAL	61	136
Morey Blinder Hematology · Saint Louis, MO	49	76
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Maryland Heights, MO	39	92
Laura Colletti Internal Medicine · Saint Louis, MO	34	59
Heidi Prather Physical Medicine and Rehabilitation · Saint Louis, MO	21	58
Cynthia Ma Hematology-Oncology · Saint Louis, MO	20	37
Travis Hillen Diagnostic Radiology · Belleville, IL	19	30
James Avery Internal Medicine · Saint Louis, MO	16	27
Paul Santiago Neurosurgery · Saint Louis, MO	15	44

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history