Dr. Matthew Liam O'Sullivan, MD, PhD
- Medicare services, 2024
- 12,189
- Medicare patients, 2024
- 731
- Part D claims, 2024
- 217
- MIPS score, 2024
- 83
- Industry payments
- $481
- Practice address
- 2770 N Union Blvd, Colorado Springs, CO 80909
- Practice phone
- Call (719) 418-4700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pinnacle Surgery Center
Colorado Springs, Colorado
Find Dr. O'Sullivan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Matthew Liam O'Sullivan is a retina specialist (ophthalmology) physician in Colorado Springs, Colorado
Dr. O'Sullivan practices at Pinnacle Surgery Center in Colorado Springs, Colorado.
Dr. O'Sullivan's NPI, 1831625508, was assigned on May 2, 2017. Dr. O'Sullivan graduated from Duke University School of Medicine in 2017. Dr. O'Sullivan holds Maryland license D91558.
- NPI
- 1831625508NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294094066
- NPI enumeration date
- May 2, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (719) 418-4700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Liam O'Sullivan practices at Pinnacle Surgery Center in Colorado Springs, Colorado
Dr. O'Sullivan's primary practice is Pinnacle Surgery Center, at 2770 N Union Blvd, Colorado Springs, CO 80909 in El Paso County. The practice phone is (719) 418-4700.
- Pinnacle Surgery Center2770 N Union Blvd, Colorado Springs, CO 80909 · El Paso CountyPhone(719) 418-4700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Matthew Liam O'Sullivan is affiliated with 2 sites of care and 2 medical groups
Dr. O'Sullivan's primary practice is Pinnacle Surgery Center in Colorado Springs, Colorado. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. O'Sullivan to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Matthew Liam O'Sullivan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Sullivan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pinnacle Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Liam O'Sullivan is one of 43 retina specialist (ophthalmology) physicians in Colorado
Retina specialist is Dr. O'Sullivan's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dmand AI has Dr. O'Sullivan's licenses on file in 2 states: Maryland and California.
Specialties and state licenses
- Retina specialist (ophthalmology), MarylandPrimary
- California license
Retina specialist (ophthalmology) physicians near Dr. O'Sullivan
Counts of retina specialist (ophthalmology) physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew Liam O'Sullivan billed Medicare for 12,189 services in 2024
CMS data shows 12,189 Medicare services from Dr. O'Sullivan across 16 procedure codes in 2024, for 731 Medicare patients. Medicare paid $1,177,321 for them.
Dr. O'Sullivan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,3222024: 8,638272%
- Tests and treatments
- 2023: 5602024: 1,949248%
- Office and hospital visits
- 2023: 4132024: 869110%
- Surgery
- 2023: 2252024: 715218%
- Imaging
- 2023: 192024: 185%
Where Dr. O'Sullivan's Medicare services took place, 2024
- In an office12,172100%
- In a facility170%
Dr. O'Sullivan compared with the Colorado median for retina specialist (ophthalmology) physicians, 2024
- Dr. O'Sullivan
- Colorado median
- Medicare services
- 12,189vs 14,46416% below
- Medicare patients
- 731vs 698Close to median
- Part D claims
- 189vs 29235% below
Medians across 45 retina specialist (ophthalmology) physicians in Colorado with Dmand AI profiles that report each measure.
Dr. O'Sullivan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. O'Sullivan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Sullivan and other retina specialist (ophthalmology) physicians in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Liam O'Sullivan treated 731 Medicare patients in 2024, average age 76
CMS counts 731 Medicare patients who saw Dr. O'Sullivan in 2024. The largest group is 75 to 84, with 279 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. O'Sullivan's median patient age at 73, with 53% women.
Dr. O'Sullivan's Medicare patients by age, 2024
Dr. O'Sullivan's Medicare patients by sex, 2024
- Women43259%
- Men29941%
Chronic conditions among Dr. O'Sullivan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes39%
- Ischemic heart disease32%
- Chronic kidney disease30%
- Anxiety21%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Sullivan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Liam O'Sullivan wrote 217 Medicare Part D claims in 2024
In 2024, Dr. O'Sullivan wrote 217 Medicare Part D claims for 76 patients. 71% of them were for generic drugs. CMS names the drug for 189 of them, across 5 drugs with 11 or more claims each, at $3,691 in total drug cost. In 2023, CMS named 192 claims across 5 drugs.
Dr. O'Sullivan's Part D claims by kind of drug, 2024
- Generic153 claims71%
- Brand-name64 claims29%
Dr. O'Sullivan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1922024: 1892%
Drugs named by CMS: 5 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Matthew Liam O'Sullivan scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. O'Sullivan for performance year 2024, reported as part of a group. Dr. O'Sullivan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of cataract surgery by Dr. O'Sullivan, more than 32% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. O'Sullivan's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. O'Sullivan ranks in Medicare procedure volume
- Cataract surgery
- 32nd percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Matthew Liam O'Sullivan received $481 in industry payments from 2018 to 2025
CMS Open Payments shows 5 general payments to Dr. O'Sullivan from 3 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 79% of the total. Genentech, Inc. paid the most, $236.
General payments to Dr. O'Sullivan by program year, 2018 to 2025
General payments to Dr. O'Sullivan by kind, 2018 to 2025
- Food and beverage$38179%
- Education$10021%
Companies that paid Dr. O'Sullivan the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Liam O'Sullivan graduated from Duke University School of Medicine
Dr. O'Sullivan graduated from Duke University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Liam O'Sullivan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Matthew Liam O'Sullivan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Matthew Liam O'Sullivan's NPI number?
Dr. Matthew Liam O'Sullivan's NPI number is 1831625508. It was assigned on May 2, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Liam O'Sullivan?
Dr. Matthew Liam O'Sullivan is a retina specialist (ophthalmology) physician in Colorado Springs, Colorado. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).
Where does Dr. Matthew Liam O'Sullivan practice?
Dr. O'Sullivan practices at 2770 N Union Blvd, Colorado Springs, CO 80909. Dr. O'Sullivan's primary practice is Pinnacle Surgery Center in Colorado Springs, Colorado. Dmand AI also links Dr. O'Sullivan to 1 group practice or clinic and 1 medical group.
What is Dr. Matthew Liam O'Sullivan's office phone number?
The practice phone on file for Dr. O'Sullivan is (719) 418-4700.
What is Dr. Matthew Liam O'Sullivan's medical license number?
Dr. O'Sullivan holds Maryland license D91558, one of the licenses on file in 2 states.
Which states has Dr. Matthew Liam O'Sullivan been licensed in?
Dmand AI has state licenses on file for Dr. O'Sullivan in Maryland and California.
What medical group is Dr. Matthew Liam O'Sullivan part of?
Dr. O'Sullivan is linked to Johns Hopkins University. Dmand AI links Dr. O'Sullivan to 1 more medical group.
Does Dr. Matthew Liam O'Sullivan accept Medicare?
Yes. CMS data shows Dr. O'Sullivan billed Medicare for 12,189 services in 2024, and Dr. O'Sullivan accepts Medicare assignment.
What is Dr. Matthew Liam O'Sullivan's MIPS score?
Dr. O'Sullivan's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Matthew Liam O'Sullivan see?
CMS counts 731 Medicare patients who saw Dr. O'Sullivan in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Matthew Liam O'Sullivan bill to Medicare?
In 2024, Dr. O'Sullivan's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and injected or infused drug (J0178).
Where did Dr. Matthew Liam O'Sullivan go to medical school?
Dr. O'Sullivan graduated from Duke University School of Medicine in 2017.
What drugs does Dr. Matthew Liam O'Sullivan prescribe most?
In 2024 Medicare Part D data, Dr. O'Sullivan's most prescribed drugs by claims were Ketorolac Tromethamine, Prednisolone Acetate and Erythromycin.
Has Dr. Matthew Liam O'Sullivan received payments from drug or device companies?
CMS Open Payments shows $481 in general payments to Dr. O'Sullivan from 3 companies from 2018 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Matthew Liam O'Sullivan been practicing?
Dr. O'Sullivan graduated from medical school in 2017, 9 years ago.
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