What is Ehsan Shahmir's specialty?

Ehsan Shahmir (NPI 1700855210) is a Medicare-billing provider whose primary specialty is Nephrology in Vacaville, CA.

Where does Ehsan Shahmir practice?

Ehsan Shahmir practices in Vacaville, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1700855210.

How much does Medicare pay Ehsan Shahmir?

Ehsan Shahmir (NPI 1700855210) received approximately $47K in total Medicare Part B payments, serving 66 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1700855210

Ehsan ShahmirMD

PRACTICEDAVITA NEPHROLOGY MEDICAL ASSOCIATES OF CALIFORNIA INCSee all providers at this practice →

NephrologyVacaville, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

226

Distinct HCPCS

Medicare payment

$36K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — bottom quintile (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

878

Beneficiaries

—

Total drug cost

$237K

Distinct drugs

Brand share

21.3%

Top prescribed drugs

Losartan Potassium76 claims

Amlodipine Besylate73 claims

Atorvastatin Calcium73 claims

Allopurinol71 claims

Metoprolol Succinate65 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$171

Payment records

By payment type

Food and Beverage$171

Top paying entities

Food and Beverage$171

REFERRAL NETWORK

Where Ehsan Shahmir'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). 47 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Lewis Weisblum Diagnostic Radiology · Fairfield, CA	85	374
NPI 1255335535	85	750
Steven Ong Nephrology · Fairfield, CA	68	267
RENAL TREATMENT CENTERS CALIFORNIA INC	45	601
Sreenivasa Ravuri Critical Care (Intensivists) · Orlando, FL	42	211
Edward Yoon Cardiology · San Pablo, CA	37	192
ANTON, STEVEN	36	150
Gregory Warner Infectious Disease · Vacaville, CA	32	101
Fernando Otero Vascular Surgery · Walnut Creek, CA	29	386
Maria Duran Internal Medicine · Tacoma, WA	29	134
Kyle Holmes Emergency Medicine · Fairfeild, CA	28	71
Warren Joseph San Diego Internal Medicine · Fairfield, CA	28	123

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