Doctor profile · Federal record

Dr. Michael McNamara, D.O.

General Practice Physician · Lewiston, MI

  • NPI 1801860440
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3040 Bourn St
Lewiston, MI 497568134
(989) 786-4877
fax (989) 786-2187
Mailing address
829 N Center Ave, Suite 298
Gaylord, MI 497351595

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
May 7, 2014
Specialty taxonomy
208D00000X — NUCC code
State license (1)
Michigan #1801860440
Medicaid
MI #2838664

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801860440. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $22.34

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,947
Patients
761
Total drug cost
$47,857
Drug Type Claims Patients Total cost
Omeprazole Generic 332 88 $4,411
Atorvastatin Calcium Generic 321 85 $5,007
Amlodipine Besylate Generic 308 81 $2,389
Metoprolol Succinate Generic 245 56 $4,188
Losartan Potassium Generic 209 57 $3,053
Lisinopril Generic 198 47 $1,690
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 194 37 $4,625
Furosemide Generic 167 43 $787
Levothyroxine Sodium Generic 162 48 $2,938
Simvastatin Generic 153 37 $1,481

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael McNamara's medical specialty?
Dr. Michael McNamara practices General Practice Physician in Lewiston, MI.
Where does Dr. Michael McNamara practice?
Dr. Michael McNamara practices at 3040 Bourn St, Lewiston, MI 497568134. Office phone: 9897864877.
What is Dr. Michael McNamara's NPI?
Dr. Michael McNamara's National Provider Identifier (NPI) is 1801860440, issued by NPPES.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated Jul 18, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›