What is Ellen Grimm's specialty?

Ellen Grimm (NPI 1275500100) is a Medicare-billing provider whose primary specialty is Nephrology in San Marcos, TX.

Where does Ellen Grimm practice?

Ellen Grimm practices in San Marcos, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1275500100.

How much does Medicare pay Ellen Grimm?

Ellen Grimm (NPI 1275500100) received approximately $139K in total Medicare Part B payments, serving 212 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1275500100

Ellen GrimmMD

NephrologySan Marcos, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

399

Unique beneficiaries

—

Total services

901

Distinct HCPCS

Medicare payment

$121K

Peer benchmark

Total Medicare services vs. 883 Nephrology providers in TX — above median (cohort median 1,432).

PRESCRIBING · PART D · 2024

Total Rx claims

2,048

Beneficiaries

—

Total drug cost

$485K

Distinct drugs

Brand share

16.7%

Top prescribed drugs

Amlodipine Besylate156 claims

Furosemide137 claims

Losartan Potassium110 claims

Sevelamer Carbonate107 claims

Allopurinol81 claims

QUALITY · MIPS · 2024

Final MIPS score

89.8

Quality

69.5

Cost

67.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.62%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$282

Payment records

By payment type

Food and Beverage$282

Top paying entities

Food and Beverage$282

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Dialysis facility

Dialysis facility

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Ellen Grimm'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). 41 inbound referrers · 82 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	144	703
Qing Ren Nephrology · San Marcos, TX	132	1,396
NATIONAL NEPHROLOGY ASSOCIATES OF TEXAS, L.P.	100	1,321
Spectra East, Inc. Clinical Laboratory · Rockleigh, NJ	74	618
Vincent Tjia Nephrology · Austin, TX	62	699
Primo Mayhua Internal Medicine · New Braunfels, TX	58	362
Freddy Angulo Internal Medicine · San Antonio, TX	56	389
San Marcos-Hays County Emergency Medical Services Incorporated Ambulance Service Provider · San Marcos, TX	43	218
ASCENSION SETON	41	274
Anthony Cedrone Interventional Cardiology · Castle Rock, CO	33	272
Abid Kagalwalla Emergency Medicine · Ann Arbor, MI	33	138
Stephen Swearingen Diagnostic Radiology · San Marcos, TX	26	77

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ADVENTIST HEALTH SYSTEM/SUNBELT, INC.	195	1,436
Qing Ren Nephrology · San Marcos, TX	145	1,661
IGLESIA, GREGORY	114	1,046
Spectra East, Inc. Clinical Laboratory · Rockleigh, NJ	90	678
NATIONAL NEPHROLOGY ASSOCIATES OF TEXAS, L.P.	89	855
William Abide Cardiology · San Marcos, TX	84	495
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	81	405
Faisal Syed Cardiology · San Marcos, TX	79	1,018
Vincent Tjia Nephrology · Austin, TX	69	613
Primo Mayhua Internal Medicine · New Braunfels, TX	58	322
Harry Goss Nephrology · Austin, TX	54	527
ASCENSION SETON	53	175

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