NPPES file of Aug 9, 2026

Thomas J. O'Connor, MD

Ophthalmology Physician · Lansdale, PA

Thomas J. O'Connor, MD is an ophthalmology physician with a practice address in Lansdale, Pennsylvania, and NPI 1891792347, issued on Jun 30, 2005. Check the license (Pennsylvania MD054333L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891792347
Name
Thomas J. O'Connor
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
MD054333L PA
Self-reported in NPPES; status is on the state search
Practice location
1000 N Broad St, Lansdale, PA 19446
Phone
(215) 368-1646
Enumerated
Jun 30, 2005
Record last updated
Jan 2, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(215) 368-8516
Medicare enrollment
Enrolled (PECOS I20100607000111); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 N Broad St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nina Boal, MDOphthalmology Physician1902302581
  2. Colleen Christian, MDOphthalmology Physician1346247871
  3. Rebecca Dean, ODOptometrist1770145468
  4. Robert Gladnick, ODOptometrist1700885969
  5. Joseph Kesselring, MDOphthalmology Physician1518964055
  6. Maxine Marinari, CRNACertified Registered Nurse Anesthetist1407972235

Verify Thomas J. O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD054333L
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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7% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,411 Medicare Part D claims for 328 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Thomas O'Connor1,411
  2. Specialty average1,518

Most prescribed

  1. Latanoprost830 claims
  2. Timolol Maleate161 claims
  3. Dorzolamide-Timolol78 claims
  4. Restasis68 claims
  5. Cyclosporine47 claims
  6. Neomycin-Polymyxin-Dexameth42 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $606.56

25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas O'Connor$606.56
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Ophthalmic Associates PCLansdale, PA
  2. Wills Eye Ophthalmology Clinic, IncPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas J. O'Connor among 1,088 ophthalmology physician records in Pennsylvania

Thomas J. O'Connor, MD is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% 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, 78% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1991 · median 2000 among the 734 with a school on file
  • Record last updated2019 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Pennsylvania

There are 1,088 ophthalmology physician records in Pennsylvania.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Nina Boal, MDLansdale, PA 194461902302581
  2. Colleen Christian, MDLansdale, PA 194461346247871
  3. Joseph Kesselring, MDLansdale, PA 194461518964055
  4. Thaddeus Nowinski, MDLansdale, PA 194461578561957
  5. Geoffrey Schwartz, MDLansdale, PA 194461326046533
  6. Louis Schwartz, MDLansdale, PA 194461407854607
  7. Melissa Sieber, MDLansdale, PA 194461619389293
  8. Bruce Markovitz, M.D.Lafayette Hill, PA 194441144226523

Common questions

What is Thomas J. O'Connor, MD's NPI number?

Thomas J. O'Connor, MD's National Provider Identifier (NPI) is 1891792347, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas J. O'Connor, MD located?

The NPPES record lists a practice address at 1000 N Broad St, Lansdale, PA, 19446. Phone: (215) 368-1646. Providers update this record themselves, so call before visiting.

How can I verify Thomas J. O'Connor, MD's license?

NPPES lists Pennsylvania license number MD054333L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas J. O'Connor, MD prescribe under Medicare Part D?

In 2024, Thomas J. O'Connor, MD had 1,411 Medicare Part D claims for 328 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Thomas J. O'Connor, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.