What is John Chi's specialty?

John Chi (NPI 1649473000) is a Medicare-billing provider whose primary specialty is Neurosurgery in Boston, MA.

Where does John Chi practice?

John Chi practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1649473000.

How much does Medicare pay John Chi?

John Chi (NPI 1649473000) received approximately $552K in total Medicare Part B payments, serving 493 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649473000

John ChiMD

PRACTICERICHARD BAFFORDSee all providers at this practice →

NeurosurgeryBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,123

Unique beneficiaries

—

Total services

1,385

Distinct HCPCS

Medicare payment

$451K

Peer benchmark

Total Medicare services vs. 134 Neurosurgery providers in MA — top quintile (cohort median 323).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$446

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Methylprednisolone58 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$52K

Payment records

By payment type

Consulting Fee$46K

Travel and Lodging$3K

Food and Beverage$3K

Top paying entities

Consulting Fee$46K

Travel and Lodging$3K

Food and Beverage$3K

REFERRAL NETWORK

Where John Chi'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	25	94
MASS GENERAL BRIGHAM HOME CARE, INC.	18	29
WEISSMAN, BARBARA	17	38
FALLON SERVICE, INC.	14	27
Thomas Lee Diagnostic Radiology · Deland, FL	14	31
Violeta Nikac Diagnostic Radiology · Boston, MA	13	23

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