Peter Michalos
- Medicare services, 2024
- 125
- Medicare patients, 2024
- 136
- Part D claims, 2024
- 55
- Industry payments
- $269
- Affiliated sites
- 2
- Practice address
- 33 Research Way, East Setauket, NY 11733
- Practice phone
- Call (631) 283-0002
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kenneth Mark MD PC
East Setauket, New York
Find Peter Michalos' 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.
Peter Michalos is an ophthalmologist in East Setauket, New York
Peter Michalos practices at Kenneth Mark MD PC in East Setauket, New York.
Peter Michalos' NPI, 1528094414, was assigned on June 23, 2006. Peter Michalos graduated from State University of New York Downstate Medical Center College of Medicine in 1986. Peter Michalos holds New York license 172137.
- NPI
- 1528094414NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406768712
- NPI enumeration date
- June 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 283-0002
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Peter Michalos practices at Kenneth Mark MD PC in East Setauket, New York
Peter Michalos' primary practice is Kenneth Mark MD PC, at 33 Research Way, East Setauket, NY 11733 in Suffolk County. The practice phone is (631) 283-0002.
- Kenneth Mark MD PC33 Research Way, East Setauket, NY 11733 · Suffolk CountyPhone(631) 283-0002
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Peter Michalos is affiliated with 3 sites of care and 2 medical groups
Peter Michalos' primary practice is Kenneth Mark MD PC in East Setauket, New York. The medical group on file is Kenneth Mark MD. Dmand AI also links Peter Michalos to 2 more group practices and clinics 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 Peter Michalos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Peter Michalos practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kenneth Mark MD PC | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Peter Michalos is one of 1,467 ophthalmologists in New York
Ophthalmology is Peter Michalos' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Peter Michalos is licensed in New York.
Specialties and state licenses
- Ophthalmology, New YorkPrimary
Ophthalmologists near Peter Michalos
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
Peter Michalos billed Medicare for 125 services in 2024
CMS data shows 125 Medicare services from Peter Michalos across 3 procedure codes in 2024, for 136 Medicare patients. Medicare paid $9,451 for them. Every service was in an office.
Peter Michalos' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2172024: 10452%
- Surgery
- 2023: 212024: 21No change
Peter Michalos compared with the New York median for ophthalmologists, 2024
- Peter Michalos
- New York median
- Medicare services
- 125vs 1,25890% below
- Medicare patients
- 136vs 43669% below
- Part D claims
- 12vs 64798% below
Medians across 1,557 ophthalmologists in New York with Dmand AI profiles that report each measure.
Peter Michalos' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Peter Michalos treated 136 Medicare patients in 2024, average age 79
CMS counts 136 Medicare patients who saw Peter Michalos in 2024. The largest group is 75 to 84, with 61 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Peter Michalos' median patient age at 80, with 29% women.
Peter Michalos' Medicare patients by age, 2024
Peter Michalos' Medicare patients by sex, 2024
- Women8059%
- Men5641%
Chronic conditions among Peter Michalos' Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis46%
- Ischemic heart disease39%
- Chronic kidney disease24%
- Anxiety23%
- Atrial fibrillation23%
- Cancer21%
Share of Medicare patients with each condition. A patient can have several.
Peter Michalos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women29%
- Men71%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Peter Michalos wrote 55 Medicare Part D claims in 2024
In 2024, Peter Michalos wrote 55 Medicare Part D claims for 20 patients. 64% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $386 in total drug cost. In 2023, CMS named 243 claims across 5 drugs.
Peter Michalos' Part D claims by kind of drug, 2024
- Generic35 claims64%
- Brand-name and other20 claims36%
Peter Michalos' 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.
Drug classes CMS tracks in Peter Michalos' Part D claims, 2024
- Antibiotics20%11 of 55 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2432024: 1295%
Drugs named by CMS: 1 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
How Peter Michalos takes part in Medicare
Peter Michalos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Peter Michalos received $269 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Peter Michalos from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Aerie Pharmaceuticals, Inc. paid the most, $125.
General payments to Peter Michalos by program year, 2016 to 2018
Companies that paid Peter Michalos the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Peter Michalos graduated from State University of New York Downstate Medical Center College of Medicine
Peter Michalos graduated from State University of New York Downstate Medical Center College of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Peter Michalos'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)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 Peter Michalos
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Peter Michalos' NPI number?
Peter Michalos' NPI number is 1528094414. It was assigned on June 23, 2006, and it is active in the NPI Registry.
What does Peter Michalos specialize in?
Peter Michalos is an ophthalmologist in East Setauket, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Peter Michalos practice?
Peter Michalos practices at 33 Research Way, East Setauket, NY 11733. Peter Michalos' primary practice is Kenneth Mark MD PC in East Setauket, New York. Dmand AI also links Peter Michalos to 2 group practices and clinics and 1 medical group.
What is Peter Michalos' office phone number?
The practice phone on file for Peter Michalos is (631) 283-0002.
What is Peter Michalos' medical license number?
Peter Michalos holds New York license 172137.
What medical group is Peter Michalos part of?
Peter Michalos is linked to Kenneth Mark MD. Dmand AI links Peter Michalos to 1 more medical group.
Does Peter Michalos accept Medicare?
Yes. CMS data shows Peter Michalos billed Medicare for 125 services in 2024, and Peter Michalos accepts Medicare assignment.
How many Medicare patients does Peter Michalos see?
CMS counts 136 Medicare patients who saw Peter Michalos in 2024, with an average age of 79.
What services does Peter Michalos bill to Medicare?
In 2024, Peter Michalos' most billed Medicare services were eye exam or test (92133), eye exam or test (92134) and surgery: skin and soft tissue (13132).
Where did Peter Michalos go to medical school?
Peter Michalos graduated from State University of New York Downstate Medical Center College of Medicine in 1986.
Show 3 more questionsShow fewer questions
What drugs does Peter Michalos prescribe most?
In 2024 Medicare Part D data, Peter Michalos' most prescribed drugs by claims were Tobramycin-Dexamethasone.
Has Peter Michalos received payments from drug or device companies?
CMS Open Payments shows $269 in general payments to Peter Michalos from 3 companies from 2016 to 2018. The largest total came from Aerie Pharmaceuticals, Inc.
How long has Peter Michalos been practicing?
Peter Michalos graduated from medical school in 1986, 40 years ago.
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