Doctor profile · Federal record

Dr. Gregory Kalkofen, OD

Optometrist (CMS: Optometry) · Clinton Twp, MI

  • NPI 1669485801
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
42550 Garfield, Suite 101
Clinton Twp, MI 480381644
(586) 263-9708
fax (586) 263-0280

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 11, 2008
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Michigan #4901003953

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669485801. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
280
Distinct HCPCS
8
Medicare allowed
$21,493
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 103 101 $57
99213 Established patient office or other outpatient visit, 20-29 minutes 54 46 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 40 33 $128
66984 Removal of cataract with insertion of prosthetic lens 27 15 $102
92250 Photography of the retina 18 18 $37
99202 New patient office or other outpatient visit, 15-29 minutes 14 14 $74
92083 Exam of visual field with extended testing 12 11 $62
92133 Imaging of optic nerve 12 11 $34

In context: peer comparison

Among 4 peers in Clinton Twp Optometrist, average services per provider: 39. This provider delivers 7.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$78
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 4 $64.20
Alcon Vision LLC 1 $13.62

By nature of payment

Food and Beverage
$78

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
185
Patients
63
Total drug cost
$3,976
Drug Type Claims Patients Total cost
Latanoprost Generic 120 24 $2,471
Prednisolone Acetate Generic 32 28 $1,179
Timolol Maleate Generic 22 0 $149
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 11 11 $177

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Kalkofen's medical specialty?
Dr. Gregory Kalkofen practices Optometrist in Clinton Twp, MI.
Where does Dr. Gregory Kalkofen practice?
Dr. Gregory Kalkofen practices at 42550 Garfield, Clinton Twp, MI 480381644. Office phone: 5862639708.
What is Dr. Gregory Kalkofen's NPI?
Dr. Gregory Kalkofen's National Provider Identifier (NPI) is 1669485801, issued by NPPES.
Does Dr. Gregory Kalkofen accept Medicare assignment?
Yes. Dr. Gregory Kalkofen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Kalkofen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.