Timothy J. Leahy, O.D.
Optometrist · Pittsfield, IL
Timothy J. Leahy, O.D. is an optometrist with a practice address in Pittsfield, Illinois, and NPI 1629027958, issued on May 5, 2006. Check the license (Illinois 046008656, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Timothy J. Leahy
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 046008656 IL
2000146553 MO
Self-reported in NPPES; status is on the state search - Practice location
- 201 N Madison St, Pittsfield, IL 62363
- Phone
- (217) 285-4800
- Enumerated
- May 5, 2006
- Record last updated
- Feb 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (217) 285-4850
- Medicaid IDs
- 1629027958 IL
1629027958 MO - Medicare enrollment
- Enrolled (PECOS I20100324000415); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1993
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Verify Timothy J. Leahy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046008656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average optometrist in 2024
842 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 22% of claims.
Most prescribed
- Latanoprost440 claims
- Brimonidine Tartrate54 claims
- Timolol Maleate51 claims
- Dorzolamide-Timolol44 claims
- Doxycycline Hyclate28 claims
- Prednisolone Acetate25 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Christina J. Levi O D P C.Pittsfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy J. Leahy among 2,697 optometrist records in Illinois
Timothy J. Leahy, O.D. is one of 2,697 optometrist records with a practice address in Illinois. 71% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1993 · median 2008 among the 1,513 with a school on file
- Record last updated2018 · 68% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Illinois
There are 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Pittsfield → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jonathon Thoele, O.D.Mount Sterling, IL 623531114282548
- Christy Hohenbary, ODEffingham, IL 624011447203591
- George Joshua Hohenbary, O.D.Effingham, IL 624011467546747
- Robert Jones, ODEffingham, IL 624011588728257
- Matthew Jones, ODEffingham, IL 624011578727368
- Connor Kabbes, ODEffingham, IL 624011578118949
- Rachel McKay, ODEffingham, IL 624011306418686
- John Nemeh, O.D.Effingham, IL 624011932216371
Common questions
What is Timothy J. Leahy, O.D.'s NPI number?
Timothy J. Leahy, O.D.'s National Provider Identifier (NPI) is 1629027958, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy J. Leahy, O.D. located?
The NPPES record lists a practice address at 201 N Madison St, Pittsfield, IL, 62363. Phone: (217) 285-4800. Providers update this record themselves, so call before visiting.
How can I verify Timothy J. Leahy, O.D.'s license?
NPPES lists Illinois license number 046008656, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Timothy J. Leahy, O.D. prescribe under Medicare Part D?
In 2024, Timothy J. Leahy, O.D. had 842 Medicare Part D claims for 165 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Timothy J. Leahy, O.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.