What is Karen Wu's specialty?

Karen Wu (NPI 1245441310) is a Medicare-billing provider whose primary specialty is Pathology in Portsmouth, NH.

Where does Karen Wu practice?

Karen Wu practices in Portsmouth, NH, based on the location reported in the CMS Medicare provider datasets for NPI 1245441310.

How much does Medicare pay Karen Wu?

Karen Wu (NPI 1245441310) received approximately $295K in total Medicare Part B payments, serving 3,529 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1245441310

Karen WuM.D.

PathologyPortsmouth, NHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,746

Unique beneficiaries

—

Total services

5,524

Distinct HCPCS

Medicare payment

$294K

Peer benchmark

Total Medicare services vs. 66 Pathology providers in NH — top quintile (cohort median 1,883).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

90.7

Quality

14.3

Cost

76.2

Improvement activities

40.0

Promoting interop.

89.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$33

Payment records

By payment type

Food and Beverage$33

Top paying entities

Food and Beverage$33

REFERRAL NETWORK

Where Karen Wu'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). 28 inbound referrers · 61 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Stephen Moyer Dermatology · Nashua, NH	173	459
ST JOSEPH HOSPITAL OF NASHUA NH	123	207
NPI 1104925783	102	226
GREBUS, COLLEEN	74	169
MONADNOCK COMMUNITY HOSPITAL	50	127
Christine Kannler Dermatology · Beverly, MA	48	146
Sarit Itenberg Dermatology · Surfside, FL	28	80
MARY HITCHCOCK MEMORIAL HOSPITAL	26	41
Patrick Hickle Cardiology · Manchester, NH	16	34
Matthew Levine Diagnostic Radiology · Derry, NH	15	18
Gary Dunetz Urology · Nashua, NH	15	28
Daniel Miner Diagnostic Radiology · Nashua, NH	14	19

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SOUTHERN NEW HAMPSHIRE MEDICAL CENTER	831	1,363
ELLIOT HOSPITAL OF THE CITY OF MANCHESTER	533	1,447
LICHTER, MICHAEL	278	736
Robert Posnick Dermatology · Nashua, NH	178	568
Sarit Itenberg Dermatology · Surfside, FL	169	496
CHIANG, HERBERT	119	337
ST JOSEPH HOSPITAL OF NASHUA NH	112	194
Gail Batissa Handwork Nurse Practitioner · Burlington, MA	75	169
CATHOLIC MEDICAL CENTER	73	126
MONADNOCK COMMUNITY HOSPITAL	72	194
Stacy Filion Physician Assistant · Nashua, NH	63	164
Christine Kannler Dermatology · Beverly, MA	50	113

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