What is Kathryn Ratanavanich's specialty?

Kathryn Ratanavanich (NPI 1801093919) is a Medicare-billing provider whose primary specialty is Nephrology in Washington, DC.

Where does Kathryn Ratanavanich practice?

Kathryn Ratanavanich practices in Washington, DC, based on the location reported in the CMS Medicare provider datasets for NPI 1801093919.

How much does Medicare pay Kathryn Ratanavanich?

Kathryn Ratanavanich (NPI 1801093919) received approximately $180K in total Medicare Part B payments, serving 416 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1801093919

Kathryn RatanavanichD.O.

PRACTICEDUPONT III PCSee all providers at this practice →

NephrologyWashington, DCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

799

Unique beneficiaries

—

Total services

1,540

Distinct HCPCS

Medicare payment

$176K

Peer benchmark

Total Medicare services vs. 45 Nephrology providers in DC — above median (cohort median 1,119).

PRESCRIBING · PART D · 2024

Total Rx claims

429

Beneficiaries

—

Total drug cost

$67K

Distinct drugs

Brand share

15.9%

Top prescribed drugs

Furosemide100 claims

Amlodipine Besylate68 claims

Hydralazine Hcl51 claims

Allopurinol38 claims

Sodium Zirconium Cyclosilicate21 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$264

Payment records

By payment type

Food and Beverage$264

Top paying entities

Food and Beverage$264

REFERRAL NETWORK

Where Kathryn Ratanavanich'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRA LABORATORIES INC	71	751
CAPITOL DIALYSIS, LLC	27	62
Jesse Garcia Vascular Surgery · Washington, DC	21	148
Oyije Iheagwara Nephrology · Washington, DC	17	59
Erin O'neill Diagnostic Radiology · Washington, DC	14	30
Prince George's County Maryland Ambulance Service Provider · Largo, MD	12	28

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