Doctor profile · Federal record

Dr. John Mannik, O.D.

Optometrist (CMS: Optometry) · South Haven, MI

  • NPI 1003814500
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1088 S Bailey Ave, Suite B
South Haven, MI 490909728
(269) 637-1442
fax (269) 637-3801

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
February 19, 2015
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Michigan #4901003263
Medicaid
MI #3238512

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003814500. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24
Distinct HCPCS
1
Medicare allowed
$2,075
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 24 17 $86

In context: peer comparison

Among 2 peers in this city , average services per provider: 19. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$296
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Optos, Inc. 1 $115.83
CooperVision Inc. 2 $102.91
LKC Technologies, Inc. 1 $77.22

By nature of payment

Food and Beverage
$180
Entertainment
$116

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
0
Total drug cost
$879
Drug Type Claims Patients Total cost
Latanoprost Generic 49 0 $879

Frequently asked questions

Auto-generated from federal data
What is Dr. John Mannik's medical specialty?
Dr. John Mannik practices Optometrist in South Haven, MI.
Where does Dr. John Mannik practice?
Dr. John Mannik practices at 1088 S Bailey Ave, South Haven, MI 490909728. Office phone: 2696371442.
What is Dr. John Mannik's NPI?
Dr. John Mannik's National Provider Identifier (NPI) is 1003814500, issued by NPPES.
Does Dr. John Mannik accept Medicare assignment?
Yes. Dr. John Mannik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mannik commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.