What is Xi Na's specialty?

Xi Na (NPI 1700049269) is a Medicare-billing provider whose primary specialty is Gastroenterology in Stoneham, MA.

Where does Xi Na practice?

Xi Na practices in Stoneham, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1700049269.

How much does Medicare pay Xi Na?

Xi Na (NPI 1700049269) received approximately $190K in total Medicare Part B payments, serving 389 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1700049269

Xi NaM.D., PH.D.

GastroenterologyStoneham, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

585

Unique beneficiaries

—

Total services

657

Distinct HCPCS

Medicare payment

$77K

Peer benchmark

Total Medicare services vs. 483 Gastroenterology providers in MA — top quintile (cohort median 638).

PRESCRIBING · PART D · 2024

Total Rx claims

432

Beneficiaries

—

Total drug cost

$18K

Distinct drugs

Brand share

57.6%

Top prescribed drugs

Sodium, Potassium,mag Sulfates233 claims

Omeprazole82 claims

Famotidine50 claims

Pantoprazole Sodium39 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl16 claims

QUALITY · MIPS · 2024

Final MIPS score

83.0

Quality

73.2

Cost

75.8

Improvement activities

40.0

Promoting interop.

93.0

Payment adjustment

0.33%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$50

Payment records

By payment type

Education$31

Food and Beverage$19

Top paying entities

Education$31

Food and Beverage$19

REFERRAL NETWORK

Where Xi Na'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
Mark Zuckerman Pathology · Winchester, MA	32	68
Anthony Martyniak Pathology · Winchester, MA	30	85
Sumita Gokhale Pathology · Cambridge, MA	21	40
Khether Raby Cardiology · Stoneham, MA	20	49
FORTUNATO, ROBERT	19	72
Peter Azar Internal Medicine · Woburn, MA	17	56
KORN, WILLIAM	16	67
Armstrong Ambulance Service Ambulance Service Provider · Arlington, MA	16	58
Richard Toran Diagnostic Radiology · Woburn, MA	13	56
Alberto Soyano Internal Medicine · Sarasota, FL	13	41
Calvin Lee Emergency Medicine · Winchester, MA	12	37
John Copanos Internal Medicine · Winchester, MA	12	77

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