What is Peter Lunny's specialty?

Peter Lunny (NPI 1689621765) is a Medicare-billing provider whose primary specialty is Nephrology in Fremont, CA.

Where does Peter Lunny practice?

Peter Lunny practices in Fremont, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1689621765.

How much does Medicare pay Peter Lunny?

Peter Lunny (NPI 1689621765) received approximately $277K in total Medicare Part B payments, serving 544 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689621765

Peter LunnyM.D.

PRACTICELUNNY, AHN & WONG MDSSee all providers at this practice →

NephrologyFremont, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,212

Unique beneficiaries

—

Total services

2,519

Distinct HCPCS

Medicare payment

$256K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — above median (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

1,380

Beneficiaries

—

Total drug cost

$376K

Distinct drugs

Brand share

21.8%

Top prescribed drugs

Furosemide231 claims

Dapagliflozin Propanediol149 claims

Losartan Potassium127 claims

Allopurinol112 claims

Amlodipine Besylate105 claims

QUALITY · MIPS · 2024

Final MIPS score

97.7

Quality

89.6

Cost

74.4

Improvement activities

40.0

Promoting interop.

94.0

Payment adjustment

0.96%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$870

Payment records

By payment type

Food and Beverage$870

Top paying entities

Food and Beverage$870

REFERRAL NETWORK

Where Peter Lunny'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). 40 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jeanie Ahn Nephrology · Fremont, CA	115	356
Mimi Lin Diagnostic Radiology · Fremont, CA	93	215
Jacob Wouden Diagnostic Radiology · Fremont, CA	81	230
Pradeep Kumar Cardiology · Fremont, CA	57	149
Horng Lin Interventional Radiology · Salinas, CA	52	105
Royal Ambulance Inc. Ambulance Service Provider · San Leandro, CA	52	809
ENGERS, JOHN	39	65
Ramiro Garcia Hospitalist · Hayward, CA	39	188
NPI 1255335535	37	242
BHANDARI, BHUPINDER	33	170
Ashit Jain Cardiology · Fremont, CA	31	166
Qi Che Nephrology · Fremont, CA	31	78

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