What is Constantine Chaknos's specialty?

Constantine Chaknos (NPI 1588870901) is a Medicare-billing provider whose primary specialty is Nephrology in Philadelphia, PA.

Where does Constantine Chaknos practice?

Constantine Chaknos practices in Philadelphia, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1588870901.

How much does Medicare pay Constantine Chaknos?

Constantine Chaknos (NPI 1588870901) received approximately $93K in total Medicare Part B payments, serving 389 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588870901

Constantine ChaknosMD

NephrologyPhiladelphia, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

712

Unique beneficiaries

—

Total services

999

Distinct HCPCS

Medicare payment

$69K

Peer benchmark

Total Medicare services vs. 452 Nephrology providers in PA — above median (cohort median 1,017).

PRESCRIBING · PART D · 2024

Total Rx claims

1,528

Beneficiaries

—

Total drug cost

$251K

Distinct drugs

Brand share

23.2%

Top prescribed drugs

Amlodipine Besylate150 claims

Calcitriol116 claims

Potassium Citrate98 claims

Losartan Potassium92 claims

Chlorthalidone80 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Constantine Chaknos'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). 34 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Michael Riley Clinical Cardiac Electrophysiology · Philadelphia, PA	44	79
Susan Roth Diagnostic Radiology · Philadelphia, PA	35	66
Ana Kolansky Diagnostic Radiology · Philadelphia, PA	30	50
NPI 1275568313	30	69
PRESBYTERIAN MEDICAL CENTER OF THE UNIVERSITY OF PENNSYLVANIA HEALTH S	29	76
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	29	90
RUBESIN, STEPHEN	21	30
Benjamin Jackson Vascular Surgery · Allentown, PA	21	66
Sharyn Katz Diagnostic Radiology · Philadelphia, PA	21	28
Jeffrey Berns Nephrology · Philadelphia, PA	20	29
Rosita Shah Diagnostic Radiology · Philadelphia, PA	19	47
City Of Philadelphia Ambulance Service Provider · Philadelphia, PA	19	51

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