Nathan William Csonka, O.D.
Optometrist · Warminster, PA
Nathan William Csonka, O.D. is an optometrist with a practice address in Warminster, Pennsylvania, and NPI 1295718179, issued on Nov 23, 2005. Check the license (Pennsylvania OEG001484, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathan William Csonka
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OEG001484 PA
Self-reported in NPPES; status is on the state search - Practice location
- 179 York RD, Warminster, PA 18974
- Phone
- (215) 674-2020
- Enumerated
- Nov 23, 2005
- Record last updated
- Jan 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (215) 674-4323
- Medicare enrollment
- Enrolled (PECOS I20051115000801); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 2004
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,640 in Pennsylvania → Look up another NPI →
Also registered at 179 York RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Phillips, O.D.Optometrist1053306431
- Mitchell Scheiman, O.D.Vision Therapy Optometrist1558343996
- Benjamin Schneider, D.M.D.General Practice Dentistry1417042169
- Alexander Sulpovar, D.D.S.General Practice Dentistry1558581108
Verify Nathan William Csonka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license OEG001484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% more Medicare Part D claims than the average optometrist in 2024
504 Medicare Part D claims for 142 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Latanoprost172 claims
- Restasis38 claims
- Loteprednol Etabonate36 claims
- Neomycin-Polymyxin-Dexameth33 claims
- Cyclosporine31 claims
- Timolol Maleate29 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: $484.82
26 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- Thomas S Phillips OD PCWarminster, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan William Csonka among 2,640 optometrist records in Pennsylvania
Nathan William Csonka, O.D. is one of 2,640 optometrist records with a practice address in Pennsylvania. 72% 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, 86% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2004 among the 1,588 with a school on file
- Record last updated2008 · 69% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 optometrist records list a practice address in Warminster
They are 13 of the 513 NPPES records with a practice address in Warminster, and 2,640 optometrist records in Pennsylvania.
All 2,640 in Pennsylvania → Every provider in Warminster → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Herbert Geiser, ODWarminster, PA 189741386658805
- Carol Gouger, ODWarminster, PA 189741801844378
- Stephen Hess, ODWarminster, PA 189741740257625
- Hung Lu, O.D.Warminster, PA 189741134208432
- Kevin McClure, ODWarminster, PA 189741023675949
- Susan Miller, O.D.Hartsville, PA 189741245384072
- Heather Miller, ODHartsville, PA 189741881982882
- Ross Ostroff, O.D.Warminster, PA 189741588704779
Common questions
What is Nathan William Csonka, O.D.'s NPI number?
Nathan William Csonka, O.D.'s National Provider Identifier (NPI) is 1295718179, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nathan William Csonka, O.D. located?
The NPPES record lists a practice address at 179 York RD, Warminster, PA, 18974. Phone: (215) 674-2020. Providers update this record themselves, so call before visiting.
How can I verify Nathan William Csonka, O.D.'s license?
NPPES lists Pennsylvania license number OEG001484, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Nathan William Csonka, O.D. prescribe under Medicare Part D?
In 2024, Nathan William Csonka, O.D. had 504 Medicare Part D claims for 142 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.