What is David Preston's specialty?

David Preston (NPI 1871559203) is a Medicare-billing provider whose primary specialty is Internal Medicine in Winslow, ME.

Where does David Preston practice?

David Preston practices in Winslow, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1871559203.

How much does Medicare pay David Preston?

David Preston (NPI 1871559203) received approximately $39K in total Medicare Part B payments, serving 198 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1871559203

David PrestonM.D.

Internal MedicineWinslow, MEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

431

Unique beneficiaries

—

Total services

583

Distinct HCPCS

Medicare payment

$36K

Peer benchmark

Total Medicare services vs. 404 Internal Medicine providers in ME — above median (cohort median 401).

PRESCRIBING · PART D · 2024

Total Rx claims

5,509

Beneficiaries

—

Total drug cost

$433K

Distinct drugs

102

Brand share

18.8%

Top prescribed drugs

Omeprazole305 claims

Levothyroxine Sodium260 claims

Losartan Potassium254 claims

Atorvastatin Calcium249 claims

Rosuvastatin Calcium238 claims

QUALITY · MIPS · 2024

Final MIPS score

86.2

Quality

75.4

Cost

75.3

Improvement activities

40.0

Promoting interop.

84.0

Payment adjustment

0.47%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where David Preston'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). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
EASTERN MAINE HEALTHCARE SYSTEMS INLAND HOSPITAL	45	256
Erika Hall Physician Assistant · N. Vassalboro, ME	42	142
Eric Stram Diagnostic Radiology · Augusta, ME	39	115
Christopher Mahoney Diagnostic Radiology · Augusta, ME	36	76
Joseph Laverdiere Diagnostic Radiology · Augusta, ME	33	105
Kevin White Cardiology · Augusta, ME	24	85
Lakshman Subrahmanyan Cardiology · Lebanon, NH	23	73
MAINEGENERAL HEALTH	22	83
Helen Bell Necevski Optometry · Oakland, ME	20	51
RAQUE, JAMES	17	46
Robert Kenney Dermatology · Waterville, ME	16	46
Lorie Parks Optometry · Oakland, ME	15	29

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