Matthew Liam O'Sullivan, MD, PHD
Ophthalmology Physician · Colorado Springs, CO
Matthew Liam O'Sullivan, MD, PHD is an ophthalmology physician with a practice address in Colorado Springs, Colorado, and NPI 1831625508, issued on May 2, 2017. Check the license (Colorado DR.0073262, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Liam O'Sullivan
- Credential
- MD, PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- DR.0073262 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2770 N Union Blvd Ste 140, Colorado Springs, CO 80909
- Phone
- (719) 473-9595
- Enumerated
- May 2, 2017
- Record last updated
- Apr 16, 2025
- Fax
- (719) 227-0669
- Medicaid ID
- 9000233250 CO
- Medicare enrollment
- Enrolled (PECOS I20250401002283); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 338 in Colorado → Look up another NPI →
Also registered at 2770 N Union Blvd Ste 140
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Narine Viruni, MDOphthalmology Physician1982016531
Verify Matthew Liam O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0073262Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average ophthalmology physician in 2024
217 Medicare Part D claims for 76 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Ketorolac Tromethamine64 claims
- Prednisolone Acetate57 claims
- Erythromycin43 claims
- Latanoprost13 claims
- Dorzolamide-Timolol12 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): 74.4 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: $145.04
1 payment: food and beverage; the largest payer was Alcon Vision LLC. 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.
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
- Retina Consultants OF Southern Colorado P CColorado Springs, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Liam O'Sullivan among 338 ophthalmology physician records in Colorado
Matthew Liam O'Sullivan, MD, PHD is one of 338 ophthalmology physician records with a practice address in Colorado. 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 2017, is newer than 90% of them.
- NPI issued2017 · 90% of these records are older, 9% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2001 among the 199 with a school on file
- Record last updated2025 · 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Colorado
There are 338 ophthalmology physician records in Colorado.
All 338 in Colorado → Every provider in Colorado Springs → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- James Barad, M.D.Colorado Springs, CO 809091619911393
- Dean Carlson, M.D.Colorado Springs, CO 809091053357715
- Tucker Dangremond, MDColorado Springs, CO 809091235703067
- Steven Dewey, MDColorado Springs, CO 809091144296922
- Robert Gardner, M.D.Colorado Springs, CO 809091629012307
- Sheron Marshall, MDColorado Springs, CO 809091669462164
- Zachary Mortensen, MDColorado Springs, CO 809091326607128
- Ryan Rich, MDColorado Springs, CO 809091992720064
Common questions
What is Matthew Liam O'Sullivan, MD, PHD's NPI number?
Matthew Liam O'Sullivan, MD, PHD's National Provider Identifier (NPI) is 1831625508, issued on May 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Liam O'Sullivan, MD, PHD located?
The NPPES record lists a practice address at 2770 N Union Blvd Ste 140, Colorado Springs, CO, 80909. Phone: (719) 473-9595. Providers update this record themselves, so call before visiting.
How can I verify Matthew Liam O'Sullivan, MD, PHD's license?
NPPES lists Colorado license number DR.0073262, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Liam O'Sullivan, MD, PHD prescribe under Medicare Part D?
In 2024, Matthew Liam O'Sullivan, MD, PHD had 217 Medicare Part D claims for 76 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Matthew Liam O'Sullivan, MD, PHD's MIPS final score?
The 2023 MIPS final score is 74.4 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.