Doctor profile · Federal record

Dr. David Hamaker, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Burton, MI

  • NPI 1427092147
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
G3375 S Saginaw St
Burton, MI 485291277
(810) 743-6830
fax (810) 424-6029

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 31, 2026
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Michigan #DH003107

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427092147. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$337
Transactions
20
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $70.82
GlaxoSmithKline, LLC. 3 $43.60
Otsuka America Pharmaceutical, Inc. 2 $35.51
AstraZeneca Pharmaceuticals LP 2 $31.07
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 2 $27.22
Organon Llc 1 $20.93
Novo Nordisk Inc 1 $20.07
Alnylam Pharmaceuticals Inc. 1 $19.59
Janssen Pharmaceuticals, Inc 1 $18.09
Merck Sharp & Dohme LLC 1 $17.40
Lilly USA, LLC 1 $17.33
Amgen Inc. 1 $15.00

By nature of payment

Food and Beverage
$337

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,811
Patients
467
Total drug cost
$23,966
Drug Type Claims Patients Total cost
Omeprazole Generic 208 41 $3,029
Atorvastatin Calcium Generic 158 40 $1,728
Losartan Potassium Generic 150 38 $2,406
Amlodipine Besylate Generic 140 44 $1,352
Simvastatin Generic 139 32 $1,944
Hydrochlorothiazide Generic 132 34 $581
Levothyroxine Sodium Generic 128 30 $2,258
Metoprolol Tartrate Generic 121 25 $715
Metformin Hcl Generic 117 26 $1,125
Lisinopril Generic 108 29 $1,388

Frequently asked questions

Auto-generated from federal data
What is Dr. David Hamaker's medical specialty?
Dr. David Hamaker practices Medical Physician Assistant in Burton, MI.
Where does Dr. David Hamaker practice?
Dr. David Hamaker practices at G3375 S Saginaw St, Burton, MI 485291277. Office phone: 8107436830.
What is Dr. David Hamaker's NPI?
Dr. David Hamaker's National Provider Identifier (NPI) is 1427092147, issued by NPPES.
Does Dr. David Hamaker accept Medicare assignment?
Yes. Dr. David Hamaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.