What is Robert Isom's specialty?

Robert Isom (NPI 1356428072) is a Medicare-billing provider whose primary specialty is Nephrology in Portland, ME.

Where does Robert Isom practice?

Robert Isom practices in Portland, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1356428072.

How much does Medicare pay Robert Isom?

Robert Isom (NPI 1356428072) received approximately $153K in total Medicare Part B payments, serving 402 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1356428072

Robert IsomM.D.

NephrologyPortland, MEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,026

Unique beneficiaries

—

Total services

3,887

Distinct HCPCS

Medicare payment

$126K

Peer benchmark

Total Medicare services vs. 36 Nephrology providers in ME — top quintile (cohort median 458).

PRESCRIBING · PART D · 2024

Total Rx claims

1,267

Beneficiaries

—

Total drug cost

$215K

Distinct drugs

Brand share

22.4%

Top prescribed drugs

Amlodipine Besylate158 claims

Empagliflozin158 claims

Calcitriol99 claims

Losartan Potassium73 claims

Famotidine59 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$854

Payment records

By payment type

Food and Beverage$854

Top paying entities

Food and Beverage$854

REFERRAL NETWORK

Where Robert Isom'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 · 47 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jane Tan Nephrology · Palo Alto, CA	59	434
Vasyl Warvariv Nephrology · Stanford, CA	55	458
Ann Leung Diagnostic Radiology · Stanford, CA	33	144
DESSER, TERRY	27	81
SCANDLING, JOHN	25	141
Marc Melcher General Surgery · Palo Alto, CA	24	142
Kathryn Stevens Diagnostic Radiology · Stanford, CA	23	94
Linda Morimoto Diagnostic Radiology · Stanford, CA	21	62
Andreas Loening Diagnostic Radiology · Stanford, CA	21	85
JEFFREY, ROBERT	20	105
Ingela Schnittger Cardiology · Stanford, CA	20	56
Joshua Spin Cardiology · Stanford, CA	19	71

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
STANFORD HEALTH CARE	231	2,226
Vasyl Warvariv Nephrology · Stanford, CA	48	362
Jane Tan Nephrology · Palo Alto, CA	48	522
Haiwei Guo Diagnostic Radiology · Stanford, CA	43	294
Paul Zei Clinical Cardiac Electrophysiology · Boston, MA	31	239
Ann Leung Diagnostic Radiology · Stanford, CA	26	126
Richard Lafayette Nephrology · Stanford, CA	26	216
Linda Morimoto Diagnostic Radiology · Stanford, CA	26	94
Eurofins Ascend Clinical, Llc Clinical Laboratory · Sunnyvale, CA	25	113
DESSER, TERRY	25	74
Andreas Loening Diagnostic Radiology · Stanford, CA	21	79
FEDERLE, MICHAEL	21	108

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