William Mark Sigmon, OD
Optometrist · Hickory, NC
William Mark Sigmon, OD is an optometrist with a practice address in Hickory, North Carolina, and NPI 1205821550, issued on Sep 13, 2005. Check the license (North Carolina 1232, as entered in NPPES) with the North Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Mark Sigmon
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1232 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1060 Lenoir Rhyne Blvd SE, Hickory, NC 28602
- Phone
- (828) 328-3900
- Enumerated
- Sep 13, 2005
- Record last updated
- Feb 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (828) 328-5253
- Medicaid ID
- 8909071 NC
- Medicare enrollment
- Enrolled (PECOS I20080326000584); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1986
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,480 in North Carolina → Look up another NPI →
Also registered at 1060 Lenoir Rhyne Blvd SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Boan, O.D.Optometrist1699776096
Verify William Mark Sigmon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
Search for license 1232Check 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% fewer Medicare Part D claims than the average optometrist in 2024
170 Medicare Part D claims for 59 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Latanoprost52 claims
- Restasis28 claims
- Neomycin-Polymyxin-Dexameth18 claims
- Rocklatan12 claims
- Polymyxin B Sul-Trimethoprim11 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: $65.15
3 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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.
Bills Medicare through one group practice
- Clark Optometric Center PAHickory, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Mark Sigmon among 1,480 optometrist records in North Carolina
William Mark Sigmon, OD is one of 1,480 optometrist records with a practice address in North Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1986 · median 2006 among the 1,060 with a school on file
- Record last updated2020 · 62% 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 North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in North Carolina
There are 1,480 optometrist records in North Carolina.
All 1,480 in North Carolina → Every provider in Hickory → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Thomas Boan, O.D.Hickory, NC 286021699776096
- Heather Day, ODHickory, NC 286021134100779
- Melanie Kiser, O.D.Hickory, NC 286021477696656
- David Kulesia, O.D.Hickory, NC 286021437151321
- Yupheng Ly, O.D.Hickory, NC 286021417265976
- Kevin Mercado, O.D.Hickory, NC 286021417066366
- Cosmin Negrut, O.D.Hickory, NC 286021407932551
- Fariha Peters, ODHickory, NC 286021659395192
Common questions
What is William Mark Sigmon, OD's NPI number?
William Mark Sigmon, OD's National Provider Identifier (NPI) is 1205821550, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Mark Sigmon, OD located?
The NPPES record lists a practice address at 1060 Lenoir Rhyne Blvd SE, Hickory, NC, 28602. Phone: (828) 328-3900. Providers update this record themselves, so call before visiting.
How can I verify William Mark Sigmon, OD's license?
NPPES lists North Carolina license number 1232, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does William Mark Sigmon, OD prescribe under Medicare Part D?
In 2024, William Mark Sigmon, OD had 170 Medicare Part D claims for 59 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.