What is Michael Summerfield's specialty?

Michael Summerfield (NPI 1588690358) is a Medicare-billing provider whose primary specialty is Ophthalmology in Riverdale, MD.

Where does Michael Summerfield practice?

Michael Summerfield practices in Riverdale, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1588690358.

How much does Medicare pay Michael Summerfield?

Michael Summerfield (NPI 1588690358) received approximately $590K in total Medicare Part B payments, serving 1,035 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588690358

Michael SummerfieldM.D.

OphthalmologyRiverdale, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,942

Unique beneficiaries

—

Total services

4,098

Distinct HCPCS

Medicare payment

$575K

Peer benchmark

Total Medicare services vs. 447 Ophthalmology providers in MD — above median (cohort median 2,862).

PRESCRIBING · PART D · 2024

Total Rx claims

1,284

Beneficiaries

—

Total drug cost

$79K

Distinct drugs

Brand share

11.9%

Top prescribed drugs

Prednisolone Acetate295 claims

Latanoprost259 claims

Ketorolac Tromethamine192 claims

Ofloxacin190 claims

Brimonidine Tartrate90 claims

QUALITY · MIPS · 2024

Final MIPS score

94.6

Quality

100.0

Cost

77.4

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.82%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$769

Payment records

By payment type

Food and Beverage$769

Top paying entities

Food and Beverage$769

REFERRAL NETWORK

Where Michael Summerfield'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	46	114
Rosan Choi Ophthalmology · Springfield, VA	44	118
Amy Nicholas Ophthalmology · Frederick, MD	29	65
ARWINDEKAR, ARUNA	21	46
Reginald Barnes Ophthalmology · Washington, DC	18	63
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	16	30
Matthew Pinegar Anesthesiology · Kansas City, MO	14	28
Quest Diagnostics Nichols Institute, Inc. Clinical Laboratory · Chantilly, VA	12	16
Sureshkumar Muttath Internal Medicine · Riverdale, MD	11	30

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