William 'Greg' Philpott, OD
Optometrist · Siloam Springs, AR
William 'Greg' Philpott, OD is an optometrist with a practice address in Siloam Springs, Arkansas, and NPI 1386651545, issued on Aug 1, 2006. Check the license (Arkansas 2489, as entered in NPPES) with the Arkansas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William 'Greg' Philpott
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2489 AR
Self-reported in NPPES; status is on the state search - Practice location
- 960 A S Mount Olive St, Siloam Springs, AR 72761
- Phone
- (479) 524-5161
- Enumerated
- Aug 1, 2006
- Record last updated
- Aug 12, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (479) 524-8046
- Medicaid ID
- 138347722 AR
- Medicare enrollment
- Enrolled (PECOS I20120522000903); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 531 in Arkansas → Look up another NPI →
Also registered at 960 A S Mount Olive St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bob Roberts, ODOptometrist1801838073
Verify William 'Greg' Philpott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arkansas board licenses this profession
Search for license 2489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average optometrist in 2024
704 Medicare Part D claims for 165 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Latanoprost360 claims
- Timolol Maleate85 claims
- Brimonidine Tartrate49 claims
- Dorzolamide-Timolol28 claims
- Tobramycin-Dexamethasone28 claims
- Fluorometholone22 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: $205.39
5 payments; by number, the most common kind was food and beverage; the largest payer was Oyster Point Pharma, 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
- Roberts-Philpott Eye Associates, PASiloam Springs, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William 'Greg' Philpott among 531 optometrist records in Arkansas
William 'Greg' Philpott, OD is one of 531 optometrist records with a practice address in Arkansas. 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1999 · median 2008 among the 382 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 Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 optometrist records list a practice address in Siloam Springs
They are 6 of the 399 NPPES records with a practice address in Siloam Springs, and 531 optometrist records in Arkansas.
All 531 in Arkansas → Every provider in Siloam Springs → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Leah Cate, O.D.Siloam Springs, AR 727611235368622
- Kenneth Childers, PASiloam Springs, AR 727611740266907
- Angela Eagle, ODSiloam Springs, AR 727611548699317
- Jordan Netzel, O.D.Siloam Springs, AR 727611881076651
- Bob Roberts, ODSiloam Springs, AR 727611801838073
- Elissa Bostian, O.D.Springdale, AR 727621033551437
- Philip Brandon, O.D.Springdale, AR 727621417067752
- Aleece Dietz, ODSpringdale, AR 727621194415190
Common questions
What is William 'Greg' Philpott, OD's NPI number?
William 'Greg' Philpott, OD's National Provider Identifier (NPI) is 1386651545, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William 'Greg' Philpott, OD located?
The NPPES record lists a practice address at 960 A S Mount Olive St, Siloam Springs, AR, 72761. Phone: (479) 524-5161. Providers update this record themselves, so call before visiting.
How can I verify William 'Greg' Philpott, OD's license?
NPPES lists Arkansas license number 2489, as entered by the provider. Search the Arkansas board that licenses this profession; the NPPES record confirms identity only.
How much does William 'Greg' Philpott, OD prescribe under Medicare Part D?
In 2024, William 'Greg' Philpott, OD had 704 Medicare Part D claims for 165 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.