What is John Shaver's specialty?

John Shaver (NPI 1598765729) is a Medicare-billing provider whose primary specialty is General Surgery in Mission Viejo, CA.

Where does John Shaver practice?

John Shaver practices in Mission Viejo, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1598765729.

How much does Medicare pay John Shaver?

John Shaver (NPI 1598765729) received approximately $146K in total Medicare Part B payments, serving 317 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598765729

John ShaverM.D.

PRACTICEMISSION TRAUMA SURGICAL MEDICAL GRPSee all providers at this practice →

General SurgeryMission Viejo, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

437

Unique beneficiaries

—

Total services

505

Distinct HCPCS

Medicare payment

$62K

Peer benchmark

Total Medicare services vs. 1,763 General Surgery providers in CA — top quintile (cohort median 269).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$405

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Levothyroxine Sodium23 claims

QUALITY · MIPS · 2024

Final MIPS score

90.7

Quality

68.9

Cost

100.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Travel and Lodging$892

Food and Beverage$746

Top paying entities

Travel and Lodging$892

Food and Beverage$746

REFERRAL NETWORK

Where John Shaver'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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Steven Sorenson Diagnostic Radiology · Redlands, CA	48	221
Unilab Corporation Clinical Laboratory · West Hills, CA	45	120
Jeffrey Dym Diagnostic Radiology · Laguna Niguel, CA	33	125
Jackson Penry Diagnostic Radiology · Mission Viejo, CA	28	66
Navid Jahed Diagnostic Radiology · Mission Viejo, CA	26	78
Mission Ambulatory Surgicenter Ltd. Ambulatory Surgical Center · Mission Viejo, CA	18	27
MIYAMOTO, ERIC	18	29
SADDLEBACK MEMORIAL MEDICAL CENTER	17	34
Julie Beck Nurse Practitioner · Fullerton, CA	16	38
Oscar Otanez Pathology · Stanford, CA	16	25
Gregory Macchio Anesthesiology · Mission Viejo, CA	14	29
SIMON, STEPHEN	13	65

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