Dr. Alex Jenny Ky-Miyasaka, MD

  • New York, NY
  • General surgeon
NPI1154398568PAC ID2860591856
Medicare services, 2024
1,081
Medicare patients, 2024
369
Part D claims, 2024
166
Hospital affiliations
2
Industry payments
$18,943
Practice address
4300 Alton Rd, Miami Beach, FL 33140
Practice phone
Call (305) 674-2121
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Mount Sinai Medical Center

Hospital · Miami Beach, Florida

See all 4 affiliations

Find Dr. Ky-Miyasaka'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.

View contacts for free

Dr. Alex Jenny Ky-Miyasaka is a general surgeon in New York, New York

Dr. Ky-Miyasaka practices at Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida.

Dr. Ky-Miyasaka's NPI, 1154398568, was assigned on March 3, 2006. Dr. Ky-Miyasaka graduated from State University of New York at Stony Brook, School of Medicine in 1994. Dr. Ky-Miyasaka holds New York license 203197.

NPI and contact details
Medicare PAC ID
2860591856
NPI enumeration date
March 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(305) 674-2121
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Alex Jenny Ky-Miyasaka practices in Miami Beach and New York

Dr. Ky-Miyasaka's primary practice is Mount Sinai Medical Center, at 4300 Alton Rd, Miami Beach, FL 33140 in Miami-Dade County. The practice phone is (305) 674-2121. Dr. Ky-Miyasaka also practices at Mount Sinai Medical Center, 5 E 98th St, New York, NY 10029.

  • Mount Sinai Medical CenterPrimary
    4300 Alton Rd, Miami Beach, FL 33140 · Miami-Dade CountyPhone(305) 674-2121
  • Mount Sinai Medical Center
    5 E 98th St, New York, NY 10029 · New York CountyPhone(310) 227-5687

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Alex Jenny Ky-Miyasaka is affiliated with 3 sites of care and 1 medical group

Dr. Ky-Miyasaka's primary practice is Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida. Dr. Ky-Miyasaka is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Ky-Miyasaka to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Ky-Miyasaka

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Alex Jenny Ky-Miyasaka's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ky-Miyasaka practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mount Sinai Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Ky-Miyasaka practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Mount Sinai Medical Center of Florida and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Alex Jenny Ky-Miyasaka is one of 1,604 general surgeons in New York

Surgery is Dr. Ky-Miyasaka's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ky-Miyasaka is licensed in New York.

Specialties and state licenses

  • Surgery, New YorkPrimaryLicense 203197 · taxonomy 208600000X

General surgeons near Dr. Ky-Miyasaka

Counts of general surgeons 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. Alex Jenny Ky-Miyasaka billed Medicare for 1,081 services in 2024

CMS data shows 1,081 Medicare services from Dr. Ky-Miyasaka across 12 procedure codes in 2024, for 369 Medicare patients. Medicare paid $173,376 for them.

Medicare services, 20241,081
Medicare patients369
Paid by Medicare$173,376
Procedure codes12

Dr. Ky-Miyasaka's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 5592024: 49911%
Office and hospital visits
2023: 3942024: 3735%
Tests and treatments
2023: 1932024: 2098%

Where Dr. Ky-Miyasaka's Medicare services took place, 2024

  • In an office1,06899%
  • In a facility131%

Dr. Ky-Miyasaka compared with the New York median for general surgeons, 2024

  • Dr. Ky-Miyasaka
  • New York median
Medicare services
1,081vs 1547.0 times
Medicare patients
369vs 1093.4 times
Part D claims
121vs 245.0 times

Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.

Dr. Ky-Miyasaka'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.

See all procedures by Dr. Ky-Miyasaka

Need commercial claims for Dr. Ky-Miyasaka?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ky-Miyasaka and other general surgeons in New York.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Alex Jenny Ky-Miyasaka treated 369 Medicare patients in 2024, average age 73

CMS counts 369 Medicare patients who saw Dr. Ky-Miyasaka in 2024. The largest group is 65 to 74, with 176 patients. 75% of them have high cholesterol, and 63% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ky-Miyasaka's median patient age at 50, with 51% women.

Medicare patients, 2024369
Average age73
Average risk score1.20
Also on Medicaid18%

Dr. Ky-Miyasaka's Medicare patients by age, 2024

Dr. Ky-Miyasaka's Medicare patients by sex, 2024

  • Women24867%
  • Men12133%

Chronic conditions among Dr. Ky-Miyasaka's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure63%
  3. Arthritis55%
  4. Ischemic heart disease30%
  5. Osteoporosis28%
  6. Anxiety26%
  7. Diabetes26%
  8. Mood disorders26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ky-Miyasaka's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 50

Patient panel by sex, all payers

  • Women51%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Alex Jenny Ky-Miyasaka wrote 166 Medicare Part D claims in 2024

In 2024, Dr. Ky-Miyasaka wrote 166 Medicare Part D claims for 81 patients. 94% of them were for generic drugs. CMS names the drug for 121 of them, across 5 drugs with 11 or more claims each, at $9,891 in total drug cost. In 2023, CMS named 144 claims across 6 drugs.

Part D claims, 2024166
Drugs named by CMS5
Total drug cost$9,891
Part D patients81

Dr. Ky-Miyasaka's Part D claims by kind of drug, 2024

  • Generic156 claims94%
  • Brand-name and other10 claims6%

Dr. Ky-Miyasaka'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.

Drug classes CMS tracks in Dr. Ky-Miyasaka's Part D claims, 2024

  • Opioids12%20 of 166 claims
  • Antibiotics9%15 of 166 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: 1442024: 12116%

Drugs named by CMS: 5 in 2024, 6 in 2023.

See all prescribing by Dr. Ky-Miyasaka

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. Alex Jenny Ky-Miyasaka ranks in the 67th percentile for colonoscopy in Medicare

Dr. Ky-Miyasaka accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ky-Miyasaka as offering telehealth. CMS counts 60 procedures of colonoscopy by Dr. Ky-Miyasaka, more than 67% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Ky-Miyasaka ranks in Medicare procedure volume

Colonoscopy
67th percentile60 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 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)

For MedTech and pharma teams

Find general surgeons like Dr. Ky-Miyasaka by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Alex Jenny Ky-Miyasaka received $18,943 in industry payments from 2016 to 2025

CMS Open Payments shows 89 general payments to Dr. Ky-Miyasaka from 17 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 67% of the total. Boston Scientific Corporation paid the most, $13,121.

General payments to Dr. Ky-Miyasaka by program year, 2016 to 2025

General payments to Dr. Ky-Miyasaka by kind, 2016 to 2025

$18.9Kin total
  • Consulting fees$12,61167%
  • Food and beverage$3,77220%
  • Travel and lodging$2,53113%
  • Gifts$280%

Companies that paid Dr. Ky-Miyasaka the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ky-Miyasaka

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Alex Jenny Ky-Miyasaka graduated from State University of New York at Stony Brook, School of Medicine

Dr. Ky-Miyasaka graduated from State University of New York at Stony Brook, School of Medicine in 1994.

  1. Medical schoolState University of New York at Stony Brook, School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Alex Jenny Ky-Miyasaka's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Alex Jenny Ky-Miyasaka

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. Alex Jenny Ky-Miyasaka's NPI number?

Dr. Alex Jenny Ky-Miyasaka's NPI number is 1154398568. It was assigned on March 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Alex Jenny Ky-Miyasaka?

Dr. Alex Jenny Ky-Miyasaka is a general surgeon in New York, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Alex Jenny Ky-Miyasaka practice?

Dr. Ky-Miyasaka practices at 4300 Alton Rd, Miami Beach, FL 33140. Dr. Ky-Miyasaka also practices at 5 E 98th St, New York, NY 10029. Dr. Ky-Miyasaka's primary practice is Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida. Dmand AI also links Dr. Ky-Miyasaka to 1 group practice or clinic.

What is Dr. Alex Jenny Ky-Miyasaka's office phone number?

The practice phone on file for Dr. Ky-Miyasaka is (305) 674-2121.

What is Dr. Alex Jenny Ky-Miyasaka's medical license number?

Dr. Ky-Miyasaka holds New York license 203197.

Which hospitals is Dr. Alex Jenny Ky-Miyasaka affiliated with?

Dr. Ky-Miyasaka practices at Mount Sinai Medical Center in Miami Beach, Florida. Dr. Ky-Miyasaka is also affiliated with The Mount Sinai Hospital.

What medical group is Dr. Alex Jenny Ky-Miyasaka part of?

Dr. Ky-Miyasaka is linked to Mount Sinai Institute for Liver Medicine.

Does Dr. Alex Jenny Ky-Miyasaka accept Medicare?

Yes. CMS data shows Dr. Ky-Miyasaka billed Medicare for 1,081 services in 2024, and Dr. Ky-Miyasaka accepts Medicare assignment.

Does Dr. Alex Jenny Ky-Miyasaka offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ky-Miyasaka as offering telehealth services.

How many Medicare patients does Dr. Alex Jenny Ky-Miyasaka see?

CMS counts 369 Medicare patients who saw Dr. Ky-Miyasaka in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Dr. Alex Jenny Ky-Miyasaka bill to Medicare?

In 2024, Dr. Ky-Miyasaka's most billed Medicare services were surgery: digestive system (46221), office visit, established patient (99213) and digestive system test (91122).

Where did Dr. Alex Jenny Ky-Miyasaka go to medical school?

Dr. Ky-Miyasaka graduated from State University of New York at Stony Brook, School of Medicine in 1994.

What drugs does Dr. Alex Jenny Ky-Miyasaka prescribe most?

In 2024 Medicare Part D data, Dr. Ky-Miyasaka's most prescribed drugs by claims were Procto-Med Hc, Hydrocortisone and Mesalamine.

Has Dr. Alex Jenny Ky-Miyasaka received payments from drug or device companies?

CMS Open Payments shows $18,943 in general payments to Dr. Ky-Miyasaka from 17 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Alex Jenny Ky-Miyasaka been practicing?

Dr. Ky-Miyasaka graduated from medical school in 1994, 32 years ago.

Selling to surgery practices?

See general surgeons in New York by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)