What is Steven Grundfast's specialty?

Steven Grundfast (NPI 1710971049) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Middletown, NY.

Where does Steven Grundfast practice?

Steven Grundfast practices in Middletown, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1710971049.

How much does Medicare pay Steven Grundfast?

Steven Grundfast (NPI 1710971049) received approximately $183K in total Medicare Part B payments, serving 786 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1710971049

Steven GrundfastMD

PRACTICECRYSTAL RUN HEALTHCARE LLPSee all providers at this practice →

Pulmonary DiseaseMiddletown, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,724

Unique beneficiaries

—

Total services

2,481

Distinct HCPCS

Medicare payment

$164K

Peer benchmark

Total Medicare services vs. 811 Pulmonary Disease providers in NY — top quintile (cohort median 790).

PRESCRIBING · PART D · 2024

Total Rx claims

2,963

Beneficiaries

—

Total drug cost

$1.6M

Distinct drugs

Brand share

75.7%

Top prescribed drugs

Albuterol Sulfate591 claims

Fluticasone/Vilanterol436 claims

Fluticasone/Umeclidin/Vilanter393 claims

Montelukast Sodium219 claims

Prednisone181 claims

QUALITY · MIPS · 2024

Final MIPS score

85.0

Quality

73.6

Cost

72.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.42%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Steven Grundfast'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). 83 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
James Mclaughlin Cardiology · Middletown, NY	92	378
Boris Novik Diagnostic Radiology · Middletown, NY	78	224
Stephen Daly Diagnostic Radiology · Middletown, NY	74	254
Sherma Winchester-Penny Cardiology · Middletown, NY	58	217
Mrilini Yeddu Internal Medicine · Middletown, NY	55	274
Chris Donikyan Diagnostic Radiology · Middletown, NY	52	102
Anthony Caramico Diagnostic Radiology · Middletown, NY	51	120
Elizabeth George Internal Medicine · Middletown, NY	50	200
Michael Cho Cardiology · Middletown, NY	46	142
Sumeet Smotra Internal Medicine · Middletown, NY	45	187
Sabai Phyu Hospitalist · Middletown, NY	45	168
Lawrence Pan Diagnostic Radiology · Middletown, NY	44	90

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