Mark Layne Turk, O.D.
Optometrist · Boaz, AL
Mark Layne Turk, O.D. is an optometrist with a practice address in Boaz, Alabama, and NPI 1689645764, issued on Jan 27, 2006. Check the license (Alabama S-861-TA-420, as entered in NPPES) with the Alabama board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Layne Turk
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- S-861-TA-420 AL
Self-reported in NPPES; status is on the state search - Practice location
- 2378 US Highway 431, Boaz, AL 35957
- Phone
- (256) 593-4141
- Enumerated
- Jan 27, 2006
- Record last updated
- Jun 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (256) 593-1899
- Medicaid ID
- 051079054 AL
- Medicare enrollment
- Enrolled (PECOS I20101202000071); may accept Medicare assignment
- Medical or professional school
- University Alabama Birmingham - School Of Optometry, 1997
- Entity
- Type 1 · individual
8 nearest optometrist records → All 874 in Alabama → Look up another NPI →
Verify Mark Layne Turk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Alabama board licenses this profession
Search for license S-861-TA-420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average optometrist in 2024
386 Medicare Part D claims for 112 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Latanoprost125 claims
- Lumigan48 claims
- Restasis35 claims
- Timolol Maleate32 claims
- Cyclosporine29 claims
- Dorzolamide-Timolol20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $54.73
1 payment: food and beverage; the largest payer was Carl Zeiss Meditec USA, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Layne Turk among 874 optometrist records in Alabama
Mark Layne Turk, O.D. is one of 874 optometrist records with a practice address in Alabama. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1997 · median 2006 among the 561 with a school on file
- Record last updated2008 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 optometrist records list a practice address in Boaz
They are 3 of the 162 NPPES records with a practice address in Boaz, and 874 optometrist records in Alabama.
All 874 in Alabama → Every provider in Boaz → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jessica Cieszkowski, ODBoaz, AL 359571730958026
- Mark Davis, O.D.Boaz, AL 359571124154505
- James McKissick, O.D.Centre, AL 359601669852356
- Janakkumar Patel, O.D.Attalla, AL 359541487088944
- Myron Wilson, O.D.Centre, AL 359601922110758
- Shonda Wood, O.D.Ashville, AL 359531245441641
- D McCurdy, O.D.Albertville, AL 359511073571782
- Kathryn McCurdy, O.D.Albertville, AL 359511790743482
Common questions
What is Mark Layne Turk, O.D.'s NPI number?
Mark Layne Turk, O.D.'s National Provider Identifier (NPI) is 1689645764, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Layne Turk, O.D. located?
The NPPES record lists a practice address at 2378 US Highway 431, Boaz, AL, 35957. Phone: (256) 593-4141. Providers update this record themselves, so call before visiting.
How can I verify Mark Layne Turk, O.D.'s license?
NPPES lists Alabama license number S-861-TA-420, as entered by the provider. Search the Alabama board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Layne Turk, O.D. prescribe under Medicare Part D?
In 2024, Mark Layne Turk, O.D. had 386 Medicare Part D claims for 112 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.