Doctor profile · Federal record

Dr. Mark Turk, O.D.

Optometrist (CMS: Optometry) · Boaz, AL

  • NPI 1689645764
  • 29 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2378 US Highway 431
Boaz, AL 359575905
(256) 593-4141
fax (256) 593-1899

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
June 5, 2008
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Alabama #S-861-TA-420
Medicaid
AL #051079054

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689645764. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,313
Distinct HCPCS
10
Medicare allowed
$41,476
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 730 12 $2
92250 Photography of the retina 136 133 $32
99214 Established patient office or other outpatient visit, 30-39 minutes 136 132 $113
99212 Established patient office or other outpatient visit, 10-19 minutes 79 50 $49
92284 Evaluation of eye adaptation to light and dark with interpretation and report 56 48 $39
99204 New patient office or other outpatient visit, 45-59 minutes 50 50 $147
99213 Established patient office or other outpatient visit, 20-29 minutes 40 33 $79
92083 Exam of visual field with extended testing 36 34 $53
92133 Imaging of optic nerve 32 31 $31
92134 Imaging of retina 18 17 $35

In context: peer comparison

Among 2 peers in this city , average services per provider: 249. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$55
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Carl Zeiss Meditec USA, Inc. 1 $54.73

By nature of payment

Food and Beverage
$55

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
270
Patients
79
Total drug cost
$70,666
Drug Type Claims Patients Total cost
Latanoprost Generic 106 38 $3,330
Timolol Maleate Generic 40 14 $646
Lumigan (Bimatoprost) Brand 35 0 $16,204
Restasis (Cyclosporine) Brand 19 14 $16,677
Brimonidine Tartrate Generic 18 0 $284
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 18 0 $577
Xiidra (Lifitegrast) Brand 18 0 $16,112
Cyclosporine Generic 16 13 $16,835

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Turk's medical specialty?
Dr. Mark Turk practices Optometrist in Boaz, AL.
Where does Dr. Mark Turk practice?
Dr. Mark Turk practices at 2378 US Highway 431, Boaz, AL 359575905. Office phone: 2565934141.
What is Dr. Mark Turk's NPI?
Dr. Mark Turk's National Provider Identifier (NPI) is 1689645764, issued by NPPES.
Does Dr. Mark Turk accept Medicare assignment?
Dr. Mark Turk does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mark Turk commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.