Andrew Joseph Loudon, O.D.
Optometrist · Cary, NC
Andrew Joseph Loudon, O.D. is an optometrist with a practice address in Cary, North Carolina, and NPI 1548663958, issued on Sep 29, 2014. Check the license (North Carolina 2480, as entered in NPPES) with the North Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Andrew Joseph Loudon
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 2480 NC
ODP-100306 ID
Self-reported in NPPES; status is on the state search - Practice location
- 229 Crossroads Blvd, Cary, NC 27518
- Phone
- (919) 233-8500
- Enumerated
- Sep 29, 2014
- Record last updated
- Nov 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20171004003595); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2014
- Entity
- Type 1 · individual
Also registered at 229 Crossroads Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cameron Black, O.D.Optometrist1598168445
- Marguerite Gross, ODOptometrist1629027651
- Michael Samuels, ODOptometrist1164890521
- Stuart Samuels, ODOptometrist1801845813
- Natalie Wieand, O.D.Optometrist1265586309
- Kelsie Wilson, ODStudent in an Organized Health Care Education/Training Program1194651653
Verify Andrew Joseph Loudon 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 2480Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average optometrist in 2024
388 Medicare Part D claims for 133 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Latanoprost114 claims
- Restasis53 claims
- Dorzolamide-Timolol44 claims
- Timolol Maleate39 claims
- Travoprost18 claims
- Prednisolone Acetate13 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: $545.50
12 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
- Eyecarecenter OD PACary, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
48 optometrist records list a practice address in Cary
They are 48 of the 5,665 NPPES records with a practice address in Cary, and 1,480 optometrist records in North Carolina.
All 48 in Cary → All 1,480 in North Carolina → Every provider in Cary →
Other optometrist records in North Carolina
- Charlotte Ablott, ODSalisbury, NC1316382773
- Eric Ablott, ODRandleman, NC1356629026
- John Adams, ODLumberton, NC1528131943
- Rick Adams, ODRocky Mount, NC1649241753
- William Adams, O.D.Benson, NC1821056052
- William Adams, ODKill Devil Hills, NC1497826986
- Joyce Adeleke, O.D.Concord, NC1700892031
- Allan Adkins, O.D.High Point, NC1285686857
- Barry Adler, O.D.Chapel Hill, NC1871548677
- Ji Young Ahn, ODBurlington, NC1215713466
Common questions
What is Andrew Joseph Loudon, O.D.'s NPI number?
Andrew Joseph Loudon, O.D.'s National Provider Identifier (NPI) is 1548663958, issued on Sep 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Joseph Loudon, O.D. located?
The NPPES record lists a practice address at 229 Crossroads Blvd, Cary, NC, 27518. Phone: (919) 233-8500. Providers update this record themselves, so call before visiting.
How can I verify Andrew Joseph Loudon, O.D.'s license?
NPPES lists North Carolina license number 2480, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Andrew Joseph Loudon, O.D. prescribe under Medicare Part D?
In 2024, Andrew Joseph Loudon, O.D. had 388 Medicare Part D claims for 133 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.