Dr. Yonhee Cha, MD
- Medicare services, 2024
- 1,215
- Medicare patients, 2024
- 354
- Part D claims, 2024
- 3,942
- Hospital affiliations
- 1
- Industry payments
- $12
- Practice address
- 234 E 85th St, New York, NY 10028
- Practice phone
- Call (212) 987-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medicine Department of Mount Sinai
New York, New York
Find Dr. Cha'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.
Dr. Yonhee Cha is an internist in New York, New York
Dr. Cha practices at Medicine Department of Mount Sinai in New York, New York.
Dr. Cha's NPI, 1972695286, was assigned on September 28, 2006. Dr. Cha graduated from SUNY Downstate Health Sciences University in 1999. Dr. Cha's New York license number on file is 223413.
- NPI
- 1972695286NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082716337
- NPI enumeration date
- September 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 987-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yonhee Cha practices at Medicine Department of Mount Sinai in New York, New York
Dr. Cha's primary practice is Medicine Department of Mount Sinai, at 234 E 85th St, New York, NY 10028 in New York County. The practice phone is (212) 987-3100.
- Medicine Department of Mount Sinai234 E 85th St, New York, NY 10028 · New York CountyPhone(212) 987-3100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Yonhee Cha is affiliated with 3 sites of care and 1 medical group
Dr. Cha's primary practice is Medicine Department of Mount Sinai in New York, New York. Dr. Cha is also affiliated with Hospital for Special Surgery. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Cha to 1 more group practice or clinic, 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. Yonhee Cha's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cha practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medicine Department of Mount Sinai | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Yonhee Cha is one of 9,643 internists in New York
Internal medicine is Dr. Cha's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Cha is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Cha's licenses on file in 2 states: New York and California.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- California license
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, acute mini-stroke (TIA), acute sinusitis, anxiety, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Cha treats.
Internists near Dr. Cha
Counts of internists 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. Yonhee Cha billed Medicare for 1,215 services in 2024
CMS data shows 1,215 Medicare services from Dr. Cha across 12 procedure codes in 2024, for 354 Medicare patients. Medicare paid $97,151 for them. Every service was in an office.
Dr. Cha's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5502024: 5632%
- Surgery
- 2023: 3582024: 357No change
- Other services
- 2023: 2952024: 23221%
- Tests and treatments
- 2023: 1262024: 6350%
Dr. Cha compared with the New York median for internists, 2024
- Dr. Cha
- New York median
- Medicare services
- 1,215vs 4262.9 times
- Medicare patients
- 354vs 1582.2 times
- Part D claims
- 3,346vs 6225.4 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Cha'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. Cha?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cha and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yonhee Cha treated 354 Medicare patients in 2024, average age 75
CMS counts 354 Medicare patients who saw Dr. Cha in 2024. The largest group is 65 to 74, with 165 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Cha's median patient age at 54, with 75% women.
Dr. Cha's Medicare patients by age, 2024
Dr. Cha's Medicare patients by sex, 2024
- Women27277%
- Men8223%
Chronic conditions among Dr. Cha's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis42%
- Anxiety26%
- Osteoporosis25%
- Diabetes24%
- Ischemic heart disease24%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cha's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women75%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yonhee Cha wrote 3,942 Medicare Part D claims in 2024
In 2024, Dr. Cha wrote 3,942 Medicare Part D claims for 514 patients. 91% of them were for generic drugs. CMS names the drug for 3,346 of them, across 72 drugs with 11 or more claims each, at $161,794 in total drug cost. In 2023, CMS named 3,089 claims across 70 drugs.
Dr. Cha's Part D claims by kind of drug, 2024
- Generic3,576 claims91%
- Brand-name342 claims9%
- Other24 claims1%
Dr. Cha'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. Cha's Part D claims, 2024
- Opioids1%41 of 3,942 claims
- Antibiotics1%40 of 3,942 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: 3,0892024: 3,3468%
Drugs named by CMS: 72 in 2024, 70 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. Yonhee Cha offers telehealth to Medicare patients
Dr. Cha accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Cha as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Yonhee Cha received $12 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Cha from 1 drug or device company in 2022. Education make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $12.
Companies that paid Dr. Cha the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Yonhee Cha has 1 award and honors on record
Dmand AI lists 1 award for Dr. Cha, most recently NCQA PCMH in 2017.
Awards and honors for Dr. Cha
- 2017
- NCQA PCMH
Source: Dmand AI Professional Profile Data
Dr. Yonhee Cha graduated from SUNY Downstate Health Sciences University
Dr. Cha graduated from SUNY Downstate Health Sciences University in 1999. Dr. Cha is a member of ACP and IDSA.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Yonhee Cha accepts plans from 13 insurance carriers
Dr. Cha is in network with 13 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Cigna
- HCSC
- +5 more carriersWith a free account
Plan types Dr. Cha accepts, by number of carriers
- PPO11
- Medicare10
- HMO5
- POS5
- EPO3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Yonhee Cha'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Yonhee Cha
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. Yonhee Cha's NPI number?
Dr. Yonhee Cha's NPI number is 1972695286. It was assigned on September 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Yonhee Cha?
Dr. Yonhee Cha is an internist in New York, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yonhee Cha practice?
Dr. Cha practices at 234 E 85th St, New York, NY 10028. Dr. Cha's primary practice is Medicine Department of Mount Sinai in New York, New York. Dmand AI also links Dr. Cha to 1 group practice or clinic.
What is Dr. Yonhee Cha's office phone number?
The practice phone on file for Dr. Cha is (212) 987-3100.
What is Dr. Yonhee Cha's medical license number?
Dr. Cha's New York license number on file is 223413, one of the licenses on file in 2 states.
Which states has Dr. Yonhee Cha been licensed in?
Dmand AI has state licenses on file for Dr. Cha in New York (2001 to 2025) and California (2020 to 2026).
Which hospitals is Dr. Yonhee Cha affiliated with?
Dr. Cha is affiliated with Hospital for Special Surgery.
What medical group is Dr. Yonhee Cha part of?
Dr. Cha is linked to Mount Sinai Institute for Liver Medicine.
Does Dr. Yonhee Cha accept Medicare?
Yes. CMS data shows Dr. Cha billed Medicare for 1,215 services in 2024, and Dr. Cha accepts Medicare assignment.
Does Dr. Yonhee Cha offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Cha as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Yonhee Cha see?
CMS counts 354 Medicare patients who saw Dr. Cha in 2024, with an average age of 75.
Is Dr. Yonhee Cha board certified?
Yes. Dr. Cha is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Yonhee Cha bill to Medicare?
In 2024, Dr. Cha's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G0439).
Where did Dr. Yonhee Cha go to medical school?
Dr. Cha graduated from SUNY Downstate Health Sciences University in 1999.
What drugs does Dr. Yonhee Cha prescribe most?
In 2024 Medicare Part D data, Dr. Cha's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Yonhee Cha received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Cha from 1 company from 2022 to 2022. The largest total came from Eli Lilly and Company.
How long has Dr. Yonhee Cha been practicing?
Dr. Cha graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Yonhee Cha accept?
Dr. Cha is in network with 13 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists 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