What is Gretchen Twork's specialty?

Gretchen Twork (NPI 1588759872) is a Medicare-billing provider whose primary specialty is Internal Medicine in Lebanon, NH.

Where does Gretchen Twork practice?

Gretchen Twork practices in Lebanon, NH, based on the location reported in the CMS Medicare provider datasets for NPI 1588759872.

How much does Medicare pay Gretchen Twork?

Gretchen Twork (NPI 1588759872) received approximately $41K in total Medicare Part B payments, serving 166 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588759872

Gretchen TworkM.D.

Internal MedicineLebanon, NHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

222

Unique beneficiaries

—

Total services

422

Distinct HCPCS

Medicare payment

$38K

Peer benchmark

Total Medicare services vs. 460 Internal Medicine providers in NH — below median (cohort median 578).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

79.7

Quality

53.5

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.20%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Gretchen Twork'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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MARY HITCHCOCK MEMORIAL HOSPITAL	191	921
Ruth Magera Diagnostic Radiology · Lebanon, NH	34	71
JAMES, DOUGLAS	32	74
Omer Awan Diagnostic Radiology · Baltimore, MD	31	110
HETTLEMAN, BRUCE	31	72
Coleman Dominiak Internal Medicine · Lebanon, NH	30	82
Jon Wahrenberger Cardiology · Lebanon, NH	25	60
Robert Harris Diagnostic Radiology · Los Angeles, CA	24	57
Steven Sargent Diagnostic Radiology · Lebanon, NH	23	45
Armin Helisch Cardiology · Lebanon, NH	22	61
Elisabeth Souther Hospitalist · Lebanon, NH	21	85
Timothy Beaver Cardiology · Kansas City, KS	20	53

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