PROVIDER PROFILE · NPI 1669688412

John FontanillaM.D.

PRACTICEMETROPOLITAN NEPHROLOGY ASSOCIATES, P.C.See all providers at this practice →

NephrologyPhiladelphia, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

390

Unique beneficiaries

—

Total services

721

Distinct HCPCS

Medicare payment

$82K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

550

Beneficiaries

—

Total drug cost

$138K

Distinct drugs

Brand share

25.6%

Top prescribed drugs

Amlodipine Besylate56 claims

Dapagliflozin Propanediol46 claims

Valsartan43 claims

Losartan Potassium39 claims

Furosemide39 claims

QUALITY · MIPS · 2024

Final MIPS score

86.5

Quality

65.6

Cost

77.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.48%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$657

Payment records

By payment type

Food and Beverage$657

REFERRAL NETWORK

Where John Fontanilla'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). 55 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PRIME HEALTHCARE SERVICES ROXBOROUGH LLC	133	471
City Of Philadelphia Ambulance Service Provider · Philadelphia, PA	89	203
Spectra East, Inc. Clinical Laboratory · Rockleigh, NJ	87	335
Andrew Woldow Internal Medicine · Philadelphia, PA	85	275
Arthur Meltzer Cardiology · Wayne, PA	66	211
Gregory Lenchner Pulmonary Disease · Wynnewood, PA	61	203
Gerard Diefes Pulmonary Disease · Wynnewood, PA	61	176
NPI 1497737746	60	276
Erin Tysko Cardiology · Philadelphia, PA	56	173
PRIME HEALTHCARE SERVICES ROXBOROUGH LLC	53	190
E. Alec Schoenberger Diagnostic Radiology · Philadelphia, PA	52	121
Bruce Kornberg Cardiology · Wynnewood, PA	51	145

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