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PROVIDER PROFILE · NPI 1164457289

Gretchen DiemerM.D.

Internal MedicinePhiladelphia, PAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
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PricingContactPrivacyTerms
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 390027
Hospital
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
87
Unique beneficiaries
—
Total services
169
Distinct HCPCS
4
Medicare payment
$13K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 4,434 Internal Medicine providers in PA — bottom quintile (cohort median 550).
REFERRAL NETWORK

Where Gretchen 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). 10 inbound referrers · 13 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
THOMAS JEFFERSON UNIVERSITY HOSPITALS INC71327
City Of Philadelphia
Ambulance Service Provider · Philadelphia, PA
1773
David Karasick
Diagnostic Radiology · Philadelphia, PA
1776
Joanne Kim
Internal Medicine · Philadelphia, PA
17295
Lily Ackermann
Internal Medicine · Philadelphia, PA
15155
FALCK NORTHEAST CORP.1452
Terri Tuckman
Diagnostic Radiology · Philadelphia, PA
1236
Bryan Hess
Infectious Disease · Philadelphia, PA
12124
David Wiener
Cardiology · Philadelphia, PA
1137
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Norristown, PA
1141
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
THOMAS JEFFERSON UNIVERSITY HOSPITALS INC49184
FALCK NORTHEAST CORP.27131
John Stewart
Internal Medicine · Philadelphia, PA
19372
Cindy Finden
Diagnostic Radiology · Philadelphia, PA
1667
Achala Donuru
Diagnostic Radiology · Philadelphia, PA
1652
Emily Stewart
Hospitalist · Lebanon, NH
1478
Paras Lakhani
Diagnostic Radiology · Philadelphia, PA
1338
City Of Philadelphia
Ambulance Service Provider · Philadelphia, PA
1326
Baskaran Sundaram
Diagnostic Radiology · Philadelphia, PA
1335
Lily Ackermann
Internal Medicine · Philadelphia, PA
1272
Joanne Kim
Internal Medicine · Philadelphia, PA
12182
David Karasick
Diagnostic Radiology · Philadelphia, PA
1141
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.