Proc Natl Acad Sci U S A
Dr. Christopher Toomey, MD, PhD
- Medicare services, 2024
- 3,989
- Medicare patients, 2024
- 185
- Part D claims, 2024
- 84
- Publications
- 40
- MIPS score, 2024
- 91
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Dr. Toomey'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. Christopher Toomey is an ophthalmologist in San Diego, California
Dr. Toomey practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Toomey's NPI, 1578922092, was assigned on February 11, 2016. Dr. Toomey graduated from Duke University School Of Medicine in 2016. Dr. Toomey holds California license A151210.
- NPI
- 1578922092NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860814381
- NPI enumeration date
- February 11, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Toomey practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Toomey's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher Toomey is affiliated with 2 sites of care and 1 medical group
Dr. Toomey's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Toomey is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Toomey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Toomey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Toomey is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Toomey's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Toomey is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Toomey's licenses on file in 2 states: California and Maryland.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Maryland license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, conjunctivitis, dry eye, hypertensive retinopathy, retinal detachment, retinal occlusion and surgical retina and vitreous procedures among the conditions Dr. Toomey treats.
Ophthalmologists near Dr. Toomey
Counts of ophthalmologists 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. Christopher Toomey billed Medicare for 3,989 services in 2024
CMS data shows 3,989 Medicare services from Dr. Toomey across 8 procedure codes in 2024, for 185 Medicare patients. Medicare paid $140,948 for them. Every service was in an office.
Dr. Toomey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1712024: 3,1731756%
- Tests and treatments
- 2023: 3152024: 36215%
- Office and hospital visits
- 2023: 2192024: 2295%
- Surgery
- 2023: 1122024: 17052%
- Other services
- 2023: 02024: 55
Dr. Toomey compared with the California median for ophthalmologists, 2024
- Dr. Toomey
- California median
- Medicare services
- 3,989vs 1,0793.7 times
- Medicare patients
- 185vs 42156% below
- Part D claims
- 40vs 61894% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Toomey'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. Toomey?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Toomey and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Toomey treated 185 Medicare patients in 2024, average age 76
CMS counts 185 Medicare patients who saw Dr. Toomey in 2024. The largest group is 75 to 84, with 75 patients. 74% of them have high cholesterol, and 73% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.59, 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. Toomey's median patient age at 67, with 49% women.
Dr. Toomey's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Toomey's Medicare patients by sex, 2024
- Women10054%
- Men8546%
Chronic conditions among Dr. Toomey's Medicare patients, 2024
- High cholesterol74%
- High blood pressure73%
- Arthritis39%
- Diabetes37%
- Ischemic heart disease28%
- Mood disorders28%
- Osteoporosis24%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Toomey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Toomey wrote 84 Medicare Part D claims in 2024
In 2024, Dr. Toomey wrote 84 Medicare Part D claims for 33 patients. 38% of them were for generic drugs. CMS names the drug for 40 of them, across 3 drugs with 11 or more claims each, at $1,128 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Toomey's Part D claims by kind of drug, 2024
- Generic32 claims38%
- Brand-name52 claims62%
Dr. Toomey'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: 262024: 4054%
Drugs named by CMS: 3 in 2024, 2 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. Christopher Toomey scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Toomey for performance year 2024, reported as part of a group. Dr. Toomey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Toomey's MIPS scores, performance year 2024
- 91of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
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. Christopher Toomey has 40 publications on record
Dmand AI links 40 papers to Dr. Toomey, published from 2010 to 2025. 2025 was the busiest year, with 6. The most frequent topics are Macular Degeneration, Autoimmune Diseases and Autoimmunity. Dr. Toomey has published most often in Retina. Dr. Toomey's most frequent co-authors are William R. Freeman, MD, Michael Henry Goldbaum, MD and Evan Walker.
Dr. Toomey's papers by year, 2014 to 2025
Topics Dr. Toomey writes about most
- Macular Degeneration
- Autoimmune Diseases
- Autoimmunity
- Retinal Pigment Epithelium
- Autoantibodies
- Complement Factor H
- Cytokines
- Mice, Inbred C57BL
Dr. Toomey's most frequent co-authors
- William R. Freeman, MD5 shared papers
- Michael Henry Goldbaum, MD5 shared papers
- Evan Walker5 shared papers
Recent publications by Dr. Toomey
See who Dr. Toomey researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Toomey works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher Toomey received $77,701 in industry payments from 2017 to 2025
CMS Open Payments shows 21 general payments to Dr. Toomey from 9 drug and device companies from 2017 to 2025. Grants make up the largest share, 97% of the total. Alcon Research Ltd paid the most, $75,000.
General payments to Dr. Toomey by program year, 2017 to 2025
General payments to Dr. Toomey by kind, 2017 to 2025
- Grants$75,00097%
- Consulting fees$2,1403%
- Food and beverage$5611%
Companies that paid Dr. Toomey the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Toomey graduated from Duke University School Of Medicine
Dr. Toomey graduated from Duke University School Of Medicine in 2016.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Christopher Toomey accepts plans from 16 insurance carriers
Dr. Toomey is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- CareFirst BlueCross BlueShield
- +8 more carriersWith a free account
Plan types Dr. Toomey accepts, by number of carriers
- PPO11
- Medicare10
- HMO9
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Christopher Toomey'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 DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Christopher Toomey
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. Christopher Toomey's NPI number?
Dr. Christopher Toomey's NPI number is 1578922092. It was assigned on February 11, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Toomey?
Dr. Christopher Toomey is an ophthalmologist in San Diego, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Christopher Toomey practice?
Dr. Toomey practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Toomey's primary practice is UCSD Hillcrest Medical Center in San Diego, California.
What is Dr. Christopher Toomey's office phone number?
The practice phone on file for Dr. Toomey is (619) 543-6222.
What is Dr. Christopher Toomey's medical license number?
Dr. Toomey holds California license A151210, one of the licenses on file in 2 states.
Which states has Dr. Christopher Toomey been licensed in?
Dmand AI has state licenses on file for Dr. Toomey in California (2017 to 2027) and Maryland (2020 to 2023).
Which hospitals is Dr. Christopher Toomey affiliated with?
Dr. Toomey is affiliated with Hillcrest Medical Center.
What medical group is Dr. Christopher Toomey part of?
Dr. Toomey is linked to UC San Diego Health.
Does Dr. Christopher Toomey accept Medicare?
Yes. CMS data shows Dr. Toomey billed Medicare for 3,989 services in 2024, and Dr. Toomey accepts Medicare assignment.
What is Dr. Christopher Toomey's MIPS score?
Dr. Toomey's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Christopher Toomey see?
CMS counts 185 Medicare patients who saw Dr. Toomey in 2024, with an average age of 76.
Is Dr. Christopher Toomey board certified?
Yes. Dr. Toomey is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Christopher Toomey bill to Medicare?
In 2024, Dr. Toomey's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and office visit, established patient (99214).
Where did Dr. Christopher Toomey go to medical school?
Dr. Toomey graduated from Duke University School Of Medicine in 2016.
What drugs does Dr. Christopher Toomey prescribe most?
In 2024 Medicare Part D data, Dr. Toomey's most prescribed drugs by claims were Latanoprost, Ketorolac Tromethamine and Prednisolone Acetate.
Has Dr. Christopher Toomey received payments from drug or device companies?
CMS Open Payments shows $77,701 in general payments to Dr. Toomey from 9 companies from 2017 to 2025. The largest total came from Alcon Research Ltd.
How long has Dr. Christopher Toomey been practicing?
Dr. Toomey graduated from medical school in 2016, 10 years ago.
Does Dr. Christopher Toomey do research?
Dmand AI links 40 publications to Dr. Toomey, published from 2010 to 2025.
Who does Dr. Christopher Toomey publish with?
Dr. Toomey's most frequent co-authors are William R. Freeman, MD (5 shared papers), Michael Henry Goldbaum, MD (5 shared papers) and Evan Walker (5 shared papers).
What insurance does Dr. Christopher Toomey accept?
Dr. Toomey is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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