What is Harvey Marshall's specialty?

Harvey Marshall (NPI 1699859579) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Durham, NC.

Where does Harvey Marshall practice?

Harvey Marshall practices in Durham, NC, based on the location reported in the CMS Medicare provider datasets for NPI 1699859579.

How much does Medicare pay Harvey Marshall?

Harvey Marshall (NPI 1699859579) received approximately $53K in total Medicare Part B payments, serving 517 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1699859579

Harvey MarshallM.D.

PRACTICEPRIVATE DIAGNOSTIC CLINIC, PLLCSee all providers at this practice →

Pulmonary DiseaseDurham, NCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

932

Unique beneficiaries

—

Total services

1,117

Distinct HCPCS

Medicare payment

$50K

Peer benchmark

Total Medicare services vs. 326 Pulmonary Disease providers in NC — above median (cohort median 770).

PRESCRIBING · PART D · 2024

Total Rx claims

496

Beneficiaries

—

Total drug cost

$1.5M

Distinct drugs

Brand share

38.3%

Top prescribed drugs

Prednisone114 claims

Nintedanib Esylate109 claims

Mycophenolate Mofetil102 claims

Pirfenidone60 claims

Sulfamethoxazole/Trimethoprim23 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Harvey Marshall'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Neil Macintyre Pulmonary Disease · Durham, NC	145	374
Amanda Young Nurse Practitioner · Denver, CO	91	141
Holman Mcadams Diagnostic Radiology · Durham, NC	46	116
Lacey Washington Diagnostic Radiology · Durham, NC	37	80
Augustus Grant Clinical Cardiac Electrophysiology · Durham, NC	30	54
Neil Freedman Cardiology · Durham, NC	28	52
ROOS, JUSTUS	25	54
Danielle Seaman Diagnostic Radiology · Durham, NC	22	51
County Of Durham Finance Dept Ambulance Service Provider · Durham, NC	17	30
Jonathan Stiber Cardiology · Durham, NC	16	34
Timothy Scialla Pulmonary Disease · Fishersville, VA	14	38
Eric Velazquez Cardiology · New Haven, CT	13	25

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