Gregory A. Caldwell, O.D.
Optometrist · Duncansville, PA
Gregory A. Caldwell, O.D. is an optometrist with a practice address in Duncansville, Pennsylvania, and NPI 1205827912, issued on Nov 2, 2005. Check the license (Pennsylvania OEG000024, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory A. Caldwell
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OEG000024 PA
Self-reported in NPPES; status is on the state search - Practice location
- 108 Olde Farm Office RD, Duncansville, PA 16635
- Phone
- (814) 695-3141
- Enumerated
- Nov 2, 2005
- Record last updated
- Feb 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (814) 696-4780
- Medicaid ID
- 0016242600017 PA
- Medicare enrollment
- Enrolled (PECOS I20080812000127); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1995
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,640 in Pennsylvania → Look up another NPI →
Also registered at 108 Olde Farm Office RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Centar, O.D.Optometrist1285679282
- Ryan CentarOptometrist1396101440
- Lindsay Corle, ODOptometrist1689356867
- Ryan Imler, O.D.Optometrist1215972146
Verify Gregory A. Caldwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license OEG000024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average optometrist in 2024
446 Medicare Part D claims for 110 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Latanoprost106 claims
- Dorzolamide-Timolol100 claims
- Lumigan42 claims
- Rocklatan35 claims
- Doxycycline Monohydrate18 claims
- Prednisolone Acetate18 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 92.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $113,747.72
87 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
- Ryan D Imler OD PCDuncansville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory A. Caldwell among 2,640 optometrist records in Pennsylvania
Gregory A. Caldwell, 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
- Graduated1995 · median 2004 among the 1,588 with a school on file
- Record last updated2010 · 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).
8 optometrist records list a practice address in Duncansville
They are 8 of the 196 NPPES records with a practice address in Duncansville, and 2,640 optometrist records in Pennsylvania.
All 2,640 in Pennsylvania → Every provider in Duncansville → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jaime Alianiello, O.D.Duncansville, PA 166351871689687
- Nicole BarnesDuncansville, PA 166351346805256
- Richard Centar, O.D.Duncansville, PA 166351285679282
- Ryan CentarDuncansville, PA 166351396101440
- Lindsay Corle, ODDuncansville, PA 166351689356867
- Dana Gjurich, O.D.Duncansville, PA 166351184669095
- Ryan Imler, O.D.Duncansville, PA 166351215972146
- Ashley Mastrine, O.D.Cresson, PA 166301639465164
Common questions
What is Gregory A. Caldwell, O.D.'s NPI number?
Gregory A. Caldwell, O.D.'s National Provider Identifier (NPI) is 1205827912, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory A. Caldwell, O.D. located?
The NPPES record lists a practice address at 108 Olde Farm Office RD, Duncansville, PA, 16635. Phone: (814) 695-3141. Providers update this record themselves, so call before visiting.
How can I verify Gregory A. Caldwell, O.D.'s license?
NPPES lists Pennsylvania license number OEG000024, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory A. Caldwell, O.D. prescribe under Medicare Part D?
In 2024, Gregory A. Caldwell, O.D. had 446 Medicare Part D claims for 110 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Gregory A. Caldwell, O.D.'s MIPS final score?
The 2023 MIPS final score is 92.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.