What is John Simmonds's specialty?

John Simmonds (NPI 1801195912) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Los Angeles, CA.

Where does John Simmonds practice?

John Simmonds practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1801195912.

How much does Medicare pay John Simmonds?

John Simmonds (NPI 1801195912) received approximately $6.1M in total Medicare Part B payments, serving 784 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1801195912

John SimmondsM.D

Orthopedic SurgeryLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,834

Unique beneficiaries

—

Total services

13,963

Distinct HCPCS

Medicare payment

$981K

Peer benchmark

Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — top quintile (cohort median 1,100).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$14K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Collagenase Clostridium Hist.14 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Simmonds'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). 15 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Core Analytics Laboratory, Inc Clinical Laboratory · Canoga Park, CA	30	473
Yuhuan Lan Physical Medicine and Rehabilitation · Alhambra, CA	29	139
Michael Mcgavic Podiatry · Norwalk, CA	24	141
Henry Lee Pain Management · Irvine, CA	22	335
ORANGE HEALTHCARE & WELLNESS CENTRE LLC	22	172
Martin Schwartz Diagnostic Radiology · Los Angeles, CA	21	103
Michael Kermani Ophthalmology · Newport Beach, CA	21	79
NPI 1114093143	20	201
UNIVERSITY OF CALIFORNIA IRVINE	15	68
AMERICARE MEDSERVICES INC.	14	55
MANGUBA, CYNTHIA	13	351
MEDCOAST MEDSERVICES, INC.	12	57

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