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PROVIDER PROFILE · NPI 1629154539

Mark ParkhurstM.D.

PRACTICEMAIN STREET PHARMACY, LLCSee all providers at this practice →
Internal MedicineSilver Spring, MDI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
5,098
Unique beneficiaries
—
Total services
6,555
Distinct HCPCS
34
Medicare payment
$406K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,306 Internal Medicine providers in MD — top quintile (cohort median 884).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
4,902
Beneficiaries
—
Total drug cost
$329K
Distinct drugs
105
Brand share
14.4%
Top prescribed drugs
Atorvastatin Calcium327 claims
Amlodipine Besylate270 claims
Levothyroxine Sodium261 claims
Losartan Potassium140 claims
Tamsulosin Hcl137 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Mark Parkhurst'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
PhysicianPatientsVisits
Loveen Puthumana
Geriatric Medicine · Silver Spring, MD
131574
Patricia O'donnell
Nurse Practitioner · Silver Spring, MD
130409
Rachelle Alexion
Family Practice · Silver Spring, MD
107471
MACHADO, EUGENIO105377
Andrew Kundrat
Internal Medicine · Laurel, MD
97442
Eileen Gemmell
Nurse Practitioner · Silver Spring, MD
91357
RIDERWOOD VILLAGE, INC.89251
Thomas Yau
Ophthalmology · Silver Spring, MD
61208
Prince George's County Maryland
Ambulance Service Provider · Largo, MD
52127
Michael Lincoln
Cardiology · Silver Spring, MD
52158
Butler Medical Transport, Llc
Ambulance Service Provider · Windsor Mill, MD
4884
Sameer Pandit
Diagnostic Radiology · Silver Spring, MD
43119
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.