Dr. Ryan Constantine, MD, PhD
- Medicare services, 2024
- 52,093
- Medicare patients, 2024
- 1,092
- Part D claims, 2024
- 380
- Publications
- 5
- MIPS score, 2024
- 94
- Practice address
- 300 State St, Erie, PA 16507
- Practice phone
- Call (814) 456-4241
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Erie Retinal Surgery, Inc.
Erie, Pennsylvania
Find Dr. Constantine's professional email, personal email and mobile number
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Dr. Ryan Constantine is a retina specialist (ophthalmology) physician in Erie, Pennsylvania
Dr. Constantine practices at Erie Retinal Surgery, Inc. in Erie, Pennsylvania.
Dr. Constantine's NPI, 1932527199, was assigned on April 3, 2014. Dr. Constantine graduated from University of Utah School of Medicine in 2014. Dr. Constantine holds Oregon license MD198201.
- NPI
- 1932527199NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759632391
- NPI enumeration date
- April 3, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (814) 456-4241
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Constantine practices at Erie Retinal Surgery, Inc. in Erie, Pennsylvania
Dr. Constantine's primary practice is Erie Retinal Surgery, Inc., at 300 State St, Erie, PA 16507 in Erie County. The practice phone is (814) 456-4241.
- Erie Retinal Surgery, Inc.300 State St, Erie, PA 16507 · Erie CountyPhone(814) 456-4241
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan Constantine is affiliated with 3 sites of care and 2 medical groups
Dr. Constantine's primary practice is Erie Retinal Surgery, Inc. in Erie, Pennsylvania. Dmand AI also links Dr. Constantine to 2 group practices and clinics and 2 medical groups, 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. Ryan Constantine's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Constantine practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Erie Retinal Surgery, Inc. | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Constantine is one of 42 retina specialist (ophthalmology) physicians in Pennsylvania
Retina specialist is Dr. Constantine's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Constantine is licensed in Oregon.
Specialties and state licenses
- Retina specialist (ophthalmology), OregonPrimary
Retina specialist (ophthalmology) physicians near Dr. Constantine
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. Ryan Constantine billed Medicare for 52,093 services in 2024
CMS data shows 52,093 Medicare services from Dr. Constantine across 18 procedure codes in 2024, for 1,092 Medicare patients. Medicare paid $2,320,504 for them.
Dr. Constantine's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 25,9142024: 46,42679%
- Tests and treatments
- 2023: 3,1182024: 3,1802%
- Surgery
- 2023: 1,4942024: 1,64510%
- Office and hospital visits
- 2023: 7932024: 8426%
Where Dr. Constantine's Medicare services took place, 2024
- In an office52,039100%
- In a facility540%
Dr. Constantine compared with the Pennsylvania median for retina specialist (ophthalmology) physicians, 2024
- Dr. Constantine
- Pennsylvania median
- Medicare services
- 52,093vs 8,2326.3 times
- Medicare patients
- 1,092vs 5182.1 times
- Part D claims
- 337vs 3668% below
Medians across 39 retina specialist (ophthalmology) physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Constantine'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. Constantine?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Constantine and other retina specialist (ophthalmology) physicians in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Constantine treated 1,092 Medicare patients in 2024, average age 77
CMS counts 1,092 Medicare patients who saw Dr. Constantine in 2024. The largest group is 65 to 74, with 448 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Constantine's median patient age at 74, with 53% women.
Dr. Constantine's Medicare patients by age, 2024
Dr. Constantine's Medicare patients by sex, 2024
- Women60756%
- Men48544%
Chronic conditions among Dr. Constantine's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis41%
- Diabetes28%
- Ischemic heart disease28%
- Mood disorders22%
- Depression20%
- Osteoporosis20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Constantine's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Constantine wrote 380 Medicare Part D claims in 2024
In 2024, Dr. Constantine wrote 380 Medicare Part D claims for 153 patients. 63% of them were for generic drugs. CMS names the drug for 337 of them, across 9 drugs with 11 or more claims each, at $13,504 in total drug cost. In 2023, CMS named 305 claims across 7 drugs.
Dr. Constantine's Part D claims by kind of drug, 2024
- Generic239 claims63%
- Brand-name141 claims37%
Dr. Constantine'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: 3052024: 33710%
Drugs named by CMS: 9 in 2024, 7 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. Ryan Constantine scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Constantine for performance year 2024, reported as part of a group. Dr. Constantine accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Constantine's MIPS scores, performance year 2024
- 94of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 79of 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. Ryan Constantine has 5 publications on record
Dmand AI links 5 papers to Dr. Constantine, published from 2011 to 2019. 2012 was the busiest year, with 2. Dr. Constantine's most frequent co-author is Sharon Fekrat, MD.
Dr. Constantine's papers by year, 2011 to 2019
Dr. Constantine's most frequent co-authors
Recent publications by Dr. Constantine
See who Dr. Constantine researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Constantine works with, so you can find a warm path to the right retina specialist (ophthalmology) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan Constantine received $5,490 in industry payments from 2018 to 2025
CMS Open Payments shows 65 general payments to Dr. Constantine from 9 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 52% of the total. Genentech, Inc. paid the most, $3,010.
General payments to Dr. Constantine by program year, 2018 to 2025
General payments to Dr. Constantine by kind, 2018 to 2025
- Food and beverage$2,83152%
- Consulting fees$1,60029%
- Travel and lodging$1,05819%
Companies that paid Dr. Constantine 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. Ryan Constantine graduated from University of Utah School of Medicine
Dr. Constantine graduated from University of Utah School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan Constantine'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) |
| 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 |
| 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. Ryan Constantine
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. Ryan Constantine's NPI number?
Dr. Ryan Constantine's NPI number is 1932527199. It was assigned on April 3, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Constantine?
Dr. Ryan Constantine is a retina specialist (ophthalmology) physician in Erie, Pennsylvania. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).
Where does Dr. Ryan Constantine practice?
Dr. Constantine practices at 300 State St, Erie, PA 16507. Dr. Constantine's primary practice is Erie Retinal Surgery, Inc. in Erie, Pennsylvania. Dmand AI also links Dr. Constantine to 2 group practices and clinics and 2 medical groups.
What is Dr. Ryan Constantine's office phone number?
The practice phone on file for Dr. Constantine is (814) 456-4241.
What is Dr. Ryan Constantine's medical license number?
Dr. Constantine holds Oregon license MD198201.
Does Dr. Ryan Constantine accept Medicare?
Yes. CMS data shows Dr. Constantine billed Medicare for 52,093 services in 2024, and Dr. Constantine accepts Medicare assignment.
What is Dr. Ryan Constantine's MIPS score?
Dr. Constantine's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ryan Constantine see?
CMS counts 1,092 Medicare patients who saw Dr. Constantine in 2024, with an average age of 77.
What services does Dr. Ryan Constantine bill to Medicare?
In 2024, Dr. Constantine's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and surgery: eye (67028).
Where did Dr. Ryan Constantine go to medical school?
Dr. Constantine graduated from University of Utah School of Medicine in 2014.
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What drugs does Dr. Ryan Constantine prescribe most?
In 2024 Medicare Part D data, Dr. Constantine's most prescribed drugs by claims were Moxifloxacin, Prednisolone Acetate and Difluprednate.
Has Dr. Ryan Constantine received payments from drug or device companies?
CMS Open Payments shows $5,490 in general payments to Dr. Constantine from 9 companies from 2018 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Ryan Constantine been practicing?
Dr. Constantine graduated from medical school in 2014, 12 years ago.
Does Dr. Ryan Constantine do research?
Dmand AI links 5 publications to Dr. Constantine, published from 2011 to 2019.
Who does Dr. Ryan Constantine publish with?
Dr. Constantine's most frequent co-authors are Sharon Fekrat, MD (1 shared paper).
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