Dr. Michael S. Ruddat, MD
- Medicare services, 2024
- 40,665
- Medicare patients, 2024
- 780
- Part D claims, 2024
- 252
- MIPS score, 2024
- 100
- Industry payments
- $518
- Practice address
- 191 Main St, Manchester, CT 06042
- Practice phone
- Call (860) 646-7704
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Retina Consultants
Manchester, Connecticut
Find Dr. Ruddat's professional email, personal email and mobile number
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Dr. Michael S. Ruddat is an ophthalmologist in Manchester, Connecticut
Dr. Ruddat practices at Retina Consultants in Manchester, Connecticut.
Dr. Ruddat's NPI, 1326021056, was assigned on November 28, 2005. Dr. Ruddat graduated from University of Chicago, Pritzker School of Medicine in 1989. Dr. Ruddat holds Connecticut license 033808.
- NPI
- 1326021056NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567552730
- NPI enumeration date
- November 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 646-7704
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael S. Ruddat practices at Retina Consultants in Manchester, Connecticut
Dr. Ruddat's primary practice is Retina Consultants, at 191 Main St, Manchester, CT 06042 in Capitol County. The practice phone is (860) 646-7704.
- Retina Consultants191 Main St, Manchester, CT 06042 · Capitol CountyPhone(860) 646-7704
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael S. Ruddat is affiliated with 2 sites of care and 1 medical group
Dr. Ruddat's primary practice is Retina Consultants in Manchester, Connecticut. Dmand AI also links Dr. Ruddat to 1 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. Michael S. Ruddat's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruddat practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Retina Consultants | 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. Michael S. Ruddat is one of 259 ophthalmologists in Connecticut
Ophthalmology is Dr. Ruddat's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Ruddat is licensed in Connecticut.
Specialties and state licenses
- Ophthalmology, ConnecticutPrimary
Ophthalmologists near Dr. Ruddat
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. Michael S. Ruddat billed Medicare for 40,665 services in 2024
CMS data shows 40,665 Medicare services from Dr. Ruddat across 16 procedure codes in 2024, for 780 Medicare patients. Medicare paid $2,788,752 for them. Every service was in an office.
Dr. Ruddat's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 36,2772024: 34,1006%
- Tests and treatments
- 2023: 4,7712024: 4,9223%
- Surgery
- 2023: 1,4202024: 1,414No change
- Office and hospital visits
- 2023: 3712024: 22938%
- Imaging
- 2023: 232024: 0100%
Dr. Ruddat compared with the Connecticut median for ophthalmologists, 2024
- Dr. Ruddat
- Connecticut median
- Medicare services
- 40,665vs 1,15035.4 times
- Medicare patients
- 780vs 47265% above
- Part D claims
- 191vs 66471% below
Medians across 287 ophthalmologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Ruddat'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ruddat and other ophthalmologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael S. Ruddat treated 780 Medicare patients in 2024, average age 79
CMS counts 780 Medicare patients who saw Dr. Ruddat in 2024. The largest group is 75 to 84, with 300 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% 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. Ruddat's median patient age at 77, with 58% women.
Dr. Ruddat's Medicare patients by age, 2024
Dr. Ruddat's Medicare patients by sex, 2024
- Women46259%
- Men31841%
Chronic conditions among Dr. Ruddat's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Diabetes31%
- Chronic kidney disease28%
- Ischemic heart disease27%
- Anxiety24%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ruddat's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael S. Ruddat wrote 252 Medicare Part D claims in 2024
In 2024, Dr. Ruddat wrote 252 Medicare Part D claims for 83 patients. 37% of them were for generic drugs. CMS names the drug for 191 of them, across 6 drugs with 11 or more claims each, at $41,337 in total drug cost. In 2023, CMS named 229 claims across 6 drugs.
Dr. Ruddat's Part D claims by kind of drug, 2024
- Generic93 claims37%
- Brand-name159 claims63%
Dr. Ruddat'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: 2292024: 19117%
Drugs named by CMS: 6 in 2024, 6 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. Michael S. Ruddat scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Ruddat for performance year 2024, reported as part of a group. Dr. Ruddat accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ruddat's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Michael S. Ruddat received $518 in industry payments from 2018 to 2025
CMS Open Payments shows 7 general payments to Dr. Ruddat from 6 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $133.
General payments to Dr. Ruddat by program year, 2018 to 2025
Companies that paid Dr. Ruddat 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. Michael S. Ruddat graduated from University of Chicago, Pritzker School of Medicine
Dr. Ruddat graduated from University of Chicago, Pritzker School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael S. Ruddat'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) |
| 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. Michael S. Ruddat
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. Michael S. Ruddat's NPI number?
Dr. Michael S. Ruddat's NPI number is 1326021056. It was assigned on November 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael S. Ruddat?
Dr. Michael S. Ruddat is an ophthalmologist in Manchester, Connecticut. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Michael S. Ruddat practice?
Dr. Ruddat practices at 191 Main St, Manchester, CT 06042. Dr. Ruddat's primary practice is Retina Consultants in Manchester, Connecticut. Dmand AI also links Dr. Ruddat to 1 group practice or clinic and 1 medical group.
What is Dr. Michael S. Ruddat's office phone number?
The practice phone on file for Dr. Ruddat is (860) 646-7704.
What is Dr. Michael S. Ruddat's medical license number?
Dr. Ruddat holds Connecticut license 033808.
Does Dr. Michael S. Ruddat accept Medicare?
Yes. CMS data shows Dr. Ruddat billed Medicare for 40,665 services in 2024, and Dr. Ruddat accepts Medicare assignment.
What is Dr. Michael S. Ruddat's MIPS score?
Dr. Ruddat's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Michael S. Ruddat see?
CMS counts 780 Medicare patients who saw Dr. Ruddat in 2024, with an average age of 79.
What services does Dr. Michael S. Ruddat bill to Medicare?
In 2024, Dr. Ruddat's most billed Medicare services were injected or infused drug (J2777), injected or infused drug (J2781) and eye exam or test (92134).
Where did Dr. Michael S. Ruddat go to medical school?
Dr. Ruddat graduated from University of Chicago, Pritzker School of Medicine in 1989.
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What drugs does Dr. Michael S. Ruddat prescribe most?
In 2024 Medicare Part D data, Dr. Ruddat's most prescribed drugs by claims were Prolensa, Prednisolone Acetate and Lotemax Sm.
Has Dr. Michael S. Ruddat received payments from drug or device companies?
CMS Open Payments shows $518 in general payments to Dr. Ruddat from 6 companies from 2018 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Dr. Michael S. Ruddat been practicing?
Dr. Ruddat graduated from medical school in 1989, 37 years ago.
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