What is David Hamaker's specialty?

David Hamaker (NPI 1427092147) is a Medicare-billing provider whose primary specialty is Physician Assistant in Flint, MI.

Where does David Hamaker practice?

David Hamaker practices in Flint, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1427092147.

How much does Medicare pay David Hamaker?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for David Hamaker (NPI 1427092147) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1427092147

David Hamaker

PRACTICEVALLEY MEDICAL CENTERSee all providers at this practice →

Physician AssistantFlint, MII

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

4,651

Beneficiaries

—

Total drug cost

$253K

Distinct drugs

Brand share

21.9%

Top prescribed drugs

Omeprazole236 claims

Losartan Potassium192 claims

Amlodipine Besylate188 claims

Atorvastatin Calcium182 claims

Levothyroxine Sodium171 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$392

Payment records

By payment type

Food and Beverage$392

Top paying entities

Food and Beverage$392

REFERRAL NETWORK

Where David Hamaker'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). 1 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Michael Giacalone Internal Medicine · Flint, MI	23	35

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
HURLEY MEDICAL CENTER	34	64
HAMILTON COMMUNITY HEALTH NETWORK INC.	18	28

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