What is Chiwai Chan's specialty?

Chiwai Chan (NPI 1629051529) is a Medicare-billing provider whose primary specialty is Interventional Pain Management in Fountain Valley, CA.

Where does Chiwai Chan practice?

Chiwai Chan practices in Fountain Valley, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1629051529.

How much does Medicare pay Chiwai Chan?

Chiwai Chan (NPI 1629051529) received approximately $1.0M in total Medicare Part B payments, serving 651 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629051529

Chiwai ChanD.O.

PRACTICEPAIN MEDICINE SPECIALTY GROUP INC.See all providers at this practice →

Interventional Pain ManagementFountain Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,174

Unique beneficiaries

—

Total services

165,360

Distinct HCPCS

Medicare payment

$991K

Peer benchmark

Total Medicare services vs. 118 Interventional Pain Management providers in CA — top quintile (cohort median 1,783).

PRESCRIBING · PART D · 2024

Total Rx claims

626

Beneficiaries

—

Total drug cost

$8K

Distinct drugs

Brand share

47.4%

Top prescribed drugs

Hydrocodone/Acetaminophen190 claims

Oxycodone Hcl/Acetaminophen80 claims

Oxycodone Hcl74 claims

Hydromorphone Hcl39 claims

Tramadol Hcl37 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$112

Payment records

By payment type

Food and Beverage$112

Top paying entities

Food and Beverage$112

REFERRAL NETWORK

Where Chiwai Chan'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	62	271
ORANGE COAST MEMORIAL MEDICAL CENTER	49	372
CASSIDY, DAVID	37	189
Kamini Malhotra, M.D Inc Clinical Laboratory · Fountain Valley, CA	34	207
Daniel Hilton Internal Medicine · Huntington Beach, CA	29	158
Mehdi Jalili Diagnostic Radiology · Orange, CA	29	192
Alan Ho Anesthesiology · Fountain Valley, CA	27	155
Kenneth Lynch Diagnostic Radiology · Surfside, CA	21	64
Tien Nguyen Neurosurgery · Fountain Valley, CA	18	258
SCHIFF, STEVEN	18	108
Elliott Fankuchen Diagnostic Radiology · Laguna Beach, CA	17	336
Sarabjit Sandhu Psychiatry · Newport Beach, CA	14	98

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