Doctor profile · Federal record

Dr. Mark Kapphahn, OD

Optometrist (CMS: Optometry) · Saint Paul, MN

  • NPI 1912979006
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
401 Phalen Blvd
Saint Paul, MN 551305302
(651) 254-7500
Mailing address
8170 33Rd Ave S # MS 21110Q
Minneapolis, MN 554254516

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 17, 2022
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Minnesota #2866
Medicaid
MN #144842100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912979006. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
314
Distinct HCPCS
6
Medicare allowed
$34,421
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 188 188 $125
92004 New patient complete exam of visual system 41 41 $151
92083 Exam of visual field with extended testing 33 31 $63
92133 Imaging of optic nerve 19 17 $34
92134 Imaging of retina 18 18 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 15 14 $89

In context: peer comparison

Among 11 peers in this city , average services per provider: 80. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
170
Patients
58
Total drug cost
$11,993
Drug Type Claims Patients Total cost
Latanoprost Generic 89 25 $1,336
Fluorometholone Generic 26 22 $2,280
Azelastine Hcl Generic 19 0 $375
Erythromycin (Erythromycin Base) Brand 19 11 $219
Cyclosporine Generic 17 0 $7,784

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Kapphahn's medical specialty?
Dr. Mark Kapphahn practices Optometrist in Saint Paul, MN.
Where does Dr. Mark Kapphahn practice?
Dr. Mark Kapphahn practices at 401 Phalen Blvd, Saint Paul, MN 551305302. Office phone: 6512547500.
What is Dr. Mark Kapphahn's NPI?
Dr. Mark Kapphahn's National Provider Identifier (NPI) is 1912979006, issued by NPPES.
Does Dr. Mark Kapphahn accept Medicare assignment?
Yes. Dr. Mark Kapphahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Kapphahn commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); New patient complete exam of visual system (HCPCS 92004); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.