Dr. Michael K. Yoon, MD
- Medicare services, 2024
- 984
- Medicare patients, 2024
- 605
- Part D claims, 2024
- 76
- Hospital affiliations
- 4
- Industry payments
- $1,288
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yoon's professional email, personal email and mobile number
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Dr. Michael K. Yoon is an ophthalmologist in Boston, Massachusetts
Dr. Yoon practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Yoon's NPI, 1710199047, was assigned on May 7, 2007. Dr. Yoon graduated from Albany Medical College of Union University in 2004. Dr. Yoon holds Massachusetts license 248987.
- NPI
- 1710199047NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527119817
- NPI enumeration date
- May 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael K. Yoon practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Yoon's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Michael K. Yoon is affiliated with 5 sites of care and 3 medical groups
Dr. Yoon's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Yoon is also affiliated with Brigham and Women's Hospital. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Yoon to 2 more hospitals, 2 medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael K. Yoon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yoon practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael K. Yoon is one of 617 ophthalmologists in Massachusetts
Ophthalmology is Dr. Yoon's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Yoon's licenses on file in 2 states: Massachusetts and California.
Specialties and state licenses
- Ophthalmology, MassachusettsPrimary
- California license
Ophthalmologists near Dr. Yoon
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 K. Yoon billed Medicare for 984 services in 2024
CMS data shows 984 Medicare services from Dr. Yoon across 14 procedure codes in 2024, for 605 Medicare patients. Medicare paid $106,986 for them.
Dr. Yoon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 8842024: 74316%
- Surgery
- 2023: 2472024: 2259%
- Office and hospital visits
- 2023: 412024: 1661%
Where Dr. Yoon's Medicare services took place, 2024
- In an office12313%
- In a facility86188%
Dr. Yoon compared with the Massachusetts median for ophthalmologists, 2024
- Dr. Yoon
- Massachusetts median
- Medicare services
- 984vs 1,59838% below
- Medicare patients
- 605vs 594Close to median
- Part D claims
- 33vs 54594% below
Medians across 612 ophthalmologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Yoon'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. Yoon and other ophthalmologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael K. Yoon treated 605 Medicare patients in 2024, average age 75
CMS counts 605 Medicare patients who saw Dr. Yoon in 2024. The largest group is 65 to 74, with 245 patients. 71% of them have high cholesterol, and 70% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yoon's median patient age at 70, with 63% women.
Dr. Yoon's Medicare patients by age, 2024
Dr. Yoon's Medicare patients by sex, 2024
- Women37862%
- Men22738%
Chronic conditions among Dr. Yoon's Medicare patients, 2024
- High cholesterol71%
- High blood pressure70%
- Arthritis48%
- Anxiety32%
- Mood disorders29%
- Diabetes26%
- Depression25%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yoon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael K. Yoon wrote 76 Medicare Part D claims in 2024
In 2024, Dr. Yoon wrote 76 Medicare Part D claims for 43 patients. 95% of them were for generic drugs. CMS names the drug for 33 of them, across 2 drugs with 11 or more claims each, at $609 in total drug cost. In 2023, CMS named 49 claims across 2 drugs.
Dr. Yoon's Part D claims by kind of drug, 2024
- Generic72 claims95%
- Brand-name and other4 claims5%
Dr. Yoon'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: 492024: 3333%
Drugs named by CMS: 2 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. Michael K. Yoon ranks in the 70th percentile for melanoma (skin cancer) excision in Medicare
Dr. Yoon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of melanoma (skin cancer) excision by Dr. Yoon, more than 70% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Yoon ranks in Medicare procedure volume
- Melanoma (skin cancer) excision
- 70th percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 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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Dr. Michael K. Yoon received $1,288 in industry payments from 2016 to 2025
CMS Open Payments shows 13 general payments to Dr. Yoon from 6 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 50% of the total. Horizon Pharma plc paid the most, $1,107.
General payments to Dr. Yoon by program year, 2016 to 2025
General payments to Dr. Yoon by kind, 2016 to 2025
- Travel and lodging$64350%
- Food and beverage$58145%
- Consulting fees$655%
Companies that paid Dr. Yoon the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael K. Yoon graduated from Albany Medical College of Union University
Dr. Yoon graduated from Albany Medical College of Union University in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael K. Yoon'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)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. Michael K. Yoon
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 K. Yoon's NPI number?
Dr. Michael K. Yoon's NPI number is 1710199047. It was assigned on May 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael K. Yoon?
Dr. Michael K. Yoon is an ophthalmologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Michael K. Yoon practice?
Dr. Yoon practices at 55 Fruit Street, Boston, MA 02114. Dr. Yoon's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Yoon to 2 hospitals, 2 medical groups and 1 community health center.
What is Dr. Michael K. Yoon's office phone number?
The practice phone on file for Dr. Yoon is (617) 726-2000.
What is Dr. Michael K. Yoon's medical license number?
Dr. Yoon holds Massachusetts license 248987, one of the licenses on file in 2 states.
Which states has Dr. Michael K. Yoon been licensed in?
Dmand AI has state licenses on file for Dr. Yoon in Massachusetts and California.
Which hospitals is Dr. Michael K. Yoon affiliated with?
Dr. Yoon practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Yoon is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Yoon to 2 more hospitals.
What medical group is Dr. Michael K. Yoon part of?
Dr. Yoon is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Yoon to 2 more medical groups.
Does Dr. Michael K. Yoon accept Medicare?
Yes. CMS data shows Dr. Yoon billed Medicare for 984 services in 2024, and Dr. Yoon accepts Medicare assignment.
How many Medicare patients does Dr. Michael K. Yoon see?
CMS counts 605 Medicare patients who saw Dr. Yoon in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Michael K. Yoon bill to Medicare?
In 2024, Dr. Yoon's most billed Medicare services were eye exam or test (92012), eye exam or test (92014) and eye exam or test (92081).
Where did Dr. Michael K. Yoon go to medical school?
Dr. Yoon graduated from Albany Medical College of Union University in 2004.
What drugs does Dr. Michael K. Yoon prescribe most?
In 2024 Medicare Part D data, Dr. Yoon's most prescribed drugs by claims were Erythromycin and Neomycin-Polymyxin-Dexameth.
Has Dr. Michael K. Yoon received payments from drug or device companies?
CMS Open Payments shows $1,288 in general payments to Dr. Yoon from 6 companies from 2016 to 2025. The largest total came from Horizon Pharma plc.
How long has Dr. Michael K. Yoon been practicing?
Dr. Yoon graduated from medical school in 2004, 22 years ago.
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