What is Kathryn Diemer's specialty?

Kathryn Diemer (NPI 1891713590) is a Medicare-billing provider whose primary specialty is Internal Medicine in Saint Louis, MO.

Where does Kathryn Diemer practice?

Kathryn Diemer practices in Saint Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1891713590.

How much does Medicare pay Kathryn Diemer?

Kathryn Diemer (NPI 1891713590) received approximately $494K in total Medicare Part B payments, serving 1,576 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events