What is John Niffenegger's specialty?

John Niffenegger (NPI 1518910280) is a Medicare-billing provider whose primary specialty is Ophthalmology in Sarasota, FL.

Where does John Niffenegger practice?

John Niffenegger practices in Sarasota, FL, based on the location reported in the CMS Medicare provider datasets for NPI 1518910280.

How much does Medicare pay John Niffenegger?

John Niffenegger (NPI 1518910280) received approximately $4.4M in total Medicare Part B payments, serving 1,439 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1518910280

John NiffeneggerMD

PRACTICERETINA ASSOCIATES OF SARASOTA PASee all providers at this practice →

OphthalmologySarasota, FLI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,068

Unique beneficiaries

—

Total services

58,366

Distinct HCPCS

Medicare payment

$4.3M

Peer benchmark

Total Medicare services vs. 1,263 Ophthalmology providers in FL — top quintile (cohort median 2,598).

PRESCRIBING · PART D · 2024

Total Rx claims

578

Beneficiaries

—

Total drug cost

$29K

Distinct drugs

Brand share

27.5%

Top prescribed drugs

Prednisolone Acetate104 claims

Latanoprost69 claims

Timolol Maleate68 claims

Dorzolamide Hcl/Timolol Maleat62 claims

Dorzolamide Hcl55 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

99.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$27

Payment records

By payment type

Food and Beverage$27

Top paying entities

Food and Beverage$27

REFERRAL NETWORK

Where John Niffenegger'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SARASOTA COUNTY PUBLIC HOSPITAL DISTRICT	218	482
Keye Wong Ophthalmology · Sarasota, FL	66	132
Laboratory Corporation Of America Clinical Laboratory · Tampa, FL	50	94
Neil Zusman Ophthalmology · Port Charlotte, FL	48	78
PORT CHARLOTTE HMA LLC	31	44
Mark Johnson Ophthalmology · Venice, FL	23	41
SARASOTA DOCTORS HOSPITAL INC	21	45
PUNTA GORDA HMA LLC	19	29
FAWCETT MEMORIAL HOSPITAL, INC.	18	21
Paul Strom Ophthalmology · Sarasota, FL	16	29
Stephen Spencer Dermatology · Port Charlotte, FL	15	25
Stephen Wahl Ophthalmology · Sarasota, FL	14	18

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