What is Karnail Singh's specialty?

Karnail Singh (NPI 1871593202) is a Medicare-billing provider whose primary specialty is Internal Medicine in Lansdowne, VA.

Where does Karnail Singh practice?

Karnail Singh practices in Lansdowne, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1871593202.

How much does Medicare pay Karnail Singh?

Karnail Singh (NPI 1871593202) received approximately $23K in total Medicare Part B payments, serving 73 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1871593202

Karnail SinghMD

Internal MedicineLansdowne, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

124

Unique beneficiaries

—

Total services

243

Distinct HCPCS

Medicare payment

$21K

Peer benchmark

Total Medicare services vs. 2,091 Internal Medicine providers in VA — bottom quintile (cohort median 769).

PRESCRIBING · PART D · 2024

Total Rx claims

406

Beneficiaries

—

Total drug cost

$50K

Distinct drugs

Brand share

26.4%

Top prescribed drugs

Diclofenac Sodium40 claims

Pantoprazole Sodium37 claims

Atorvastatin Calcium34 claims

Metformin Hcl22 claims

Empagliflozin21 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$251

Payment records

By payment type

Food and Beverage$235

Education$16

Top paying entities

Food and Beverage$235

Education$16

REFERRAL NETWORK

Where Karnail Singh'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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
INOVA HEALTH CARE SERVICES	81	124
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	75	251
INOVA HEALTH CARE SERVICES	54	163
Imran Abassi Psychiatry · Leesburg, VA	43	102
Mirza Sajid Baig Psychiatry · Ashburn, VA	39	105
MEDICAL TRANSPORTATION SERVICES, LLC	38	51
Mandeep Sandhu Internal Medicine · Lansdowne, VA	23	63
Quest Diagnostics Nichols Institute, Inc. Clinical Laboratory · Chantilly, VA	16	37
Tariq Aziz Cardiology · Leesburg, VA	13	33
Vijaya Nallamothu Addiction Medicine · Leesburg, VA	12	19
Sara Kulangara Cardiology · Vienna, VA	12	20

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