What is Gigi Chen's specialty?

Gigi Chen (NPI 1821073636) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Pleasant Hill, CA.

Where does Gigi Chen practice?

Gigi Chen practices in Pleasant Hill, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1821073636.

How much does Medicare pay Gigi Chen?

Gigi Chen (NPI 1821073636) received approximately $1.2M in total Medicare Part B payments, serving 760 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821073636

Gigi ChenM.D.

Hematology-OncologyPleasant Hill, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,009

Unique beneficiaries

—

Total services

23,125

Distinct HCPCS

Medicare payment

$629K

Peer benchmark

Total Medicare services vs. 957 Hematology-Oncology providers in CA — above median (cohort median 4,173).

PRESCRIBING · PART D · 2024

Total Rx claims

557

Beneficiaries

—

Total drug cost

$501K

Distinct drugs

Brand share

28.5%

Top prescribed drugs

Anastrozole64 claims

Apixaban53 claims

Rivaroxaban50 claims

Letrozole39 claims

Gabapentin36 claims

QUALITY · MIPS · 2024

Final MIPS score

90.3

Quality

89.5

Cost

74.3

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.64%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$5K

Payment records

By payment type

Consulting Fee$3K

Food and Beverage$1K

Education$65

Top paying entities

Consulting Fee$3K

Food and Beverage$1K

Education$65

REFERRAL NETWORK

Where Gigi Chen'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). 43 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	50	216
Sunil Gandhi Diagnostic Radiology · Walnut Creek, CA	32	77
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	27	72
Jewel Johl Hematology-Oncology · Walnut Creek, CA	26	142
Ira Finch Diagnostic Radiology · Walnut Creek, CA	25	93
David Goldberg Diagnostic Radiology · Walnut Creek, CA	24	122
Saurabh Patel Diagnostic Radiology · Walnut Creek, CA	23	52
CURTIS, JEFFREY	22	49
SIROTT, MATTHEW	22	69
Daniel Kim Diagnostic Radiology · Walnut Creek, CA	22	66
Joan Reynolds Diagnostic Radiology · Walnut Creek, CA	21	65
Amy Lai Diagnostic Radiology · New York, NY	21	62

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