Dr. Johnathan Hao Sun, DO
- Medicare services, 2024
- 100
- Medicare patients, 2024
- 56
- Hospital affiliations
- 2
- Industry payments
- $198
- Medical groups
- 2
- Practice address
- 1101 Nott Street, Schenectady, NY 12308
- Practice phone
- Call (518) 243-4196
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Johnathan Hao Sun is an internist in Schenectady, New York
Dr. Sun practices at Ellis Hospital in Schenectady, New York, part of Ellis Hospital.
Dr. Sun's NPI, 1932342771, was assigned on April 9, 2009. Dr. Sun graduated from New York College of Osteo Medicine of New York Institute of Technology in 2005. Dr. Sun holds New York license 265555.
- NPI
- 1932342771NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739339375
- NPI enumeration date
- April 9, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (518) 243-4196
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Johnathan Hao Sun practices at Ellis Hospital in Schenectady, New York
Dr. Sun's primary practice is Ellis Hospital, at 1101 Nott Street, Schenectady, NY 12308 in Schenectady County. The practice phone is (518) 243-4196.
- Ellis Hospital1101 Nott Street, Schenectady, NY 12308 · Schenectady CountyPhone(518) 243-4196
Source: Dmand AI Affiliation Data
Dr. Johnathan Hao Sun is affiliated with 2 sites of care and 2 medical groups
Dr. Sun's primary practice is Ellis Hospital in Schenectady, New York, part of Ellis Hospital. Dr. Sun is also affiliated with St. Mary's Hospital Amsterdam. The medical group on file is Ellis Medicine. Dmand AI also links Dr. Sun to 1 more medical group, named with a free account. Dr. Sun's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Johnathan Hao Sun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sun practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ellis Hospital | Available with a free account |
| +1 more site and 1 medical group | 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 Ellis Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Johnathan Hao Sun is one of 9,643 internists in New York
Internal medicine is Dr. Sun's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sun is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Sun
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. Johnathan Hao Sun billed Medicare for 100 services in 2024
CMS data shows 100 Medicare services from Dr. Sun across 3 procedure codes in 2024, for 56 Medicare patients. Medicare paid $11,837 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1512024: 7550%
- Surgery
- 2023: 122024: 25108%
Dr. Sun compared with the New York median for internists, 2024
- Dr. Sun
- New York median
- Medicare services
- 100vs 42677% below
- Medicare patients
- 56vs 15865% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Sun'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. Sun?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sun and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Johnathan Hao Sun treated 56 Medicare patients in 2024, average age 75
CMS counts 56 Medicare patients who saw Dr. Sun in 2024. The largest group is 75 to 84, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 3.32, 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. Sun's median patient age at 73, with 37% women.
Dr. Sun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sun's Medicare patients by sex, 2024
- Women3257%
- Men2443%
Chronic conditions among Dr. Sun's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure66%
- Chronic kidney disease64%
- Ischemic heart disease61%
- Atrial fibrillation57%
- Diabetes43%
- COPD41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women37%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Johnathan Hao Sun takes part in Medicare
Dr. Sun accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Johnathan Hao Sun received $198 in industry payments from 2018 to 2025
CMS Open Payments shows 14 general payments to Dr. Sun from 2 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $119.
General payments to Dr. Sun by program year, 2018 to 2025
Companies that paid Dr. Sun 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. Johnathan Hao Sun graduated from New York College of Osteo Medicine of New York Institute of Technology
Dr. Sun graduated from New York College of Osteo Medicine of New York Institute of Technology in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Johnathan Hao Sun'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) |
| 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) |
| 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. Johnathan Hao Sun
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. Johnathan Hao Sun's NPI number?
Dr. Johnathan Hao Sun's NPI number is 1932342771. It was assigned on April 9, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Johnathan Hao Sun?
Dr. Johnathan Hao Sun is an internist in Schenectady, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Johnathan Hao Sun practice?
Dr. Sun practices at 1101 Nott Street, Schenectady, NY 12308. Dr. Sun's primary practice is Ellis Hospital in Schenectady, New York, part of Ellis Hospital. Dmand AI also links Dr. Sun to 1 medical group.
What is Dr. Johnathan Hao Sun's office phone number?
The practice phone on file for Dr. Sun is (518) 243-4196.
What is Dr. Johnathan Hao Sun's medical license number?
Dr. Sun holds New York license 265555.
Which hospitals is Dr. Johnathan Hao Sun affiliated with?
Dr. Sun practices at Ellis Hospital in Schenectady, New York. Dr. Sun is also affiliated with St. Mary's Hospital Amsterdam.
What medical group is Dr. Johnathan Hao Sun part of?
Dr. Sun is linked to Ellis Medicine. Dmand AI links Dr. Sun to 1 more medical group.
Does Dr. Johnathan Hao Sun accept Medicare?
Yes. CMS data shows Dr. Sun billed Medicare for 100 services in 2024, and Dr. Sun accepts Medicare assignment.
How many Medicare patients does Dr. Johnathan Hao Sun see?
CMS counts 56 Medicare patients who saw Dr. Sun in 2024, with an average age of 75.
What services does Dr. Johnathan Hao Sun bill to Medicare?
In 2024, Dr. Sun's most billed Medicare services were critical care (99291), surgery: heart and blood vessels (36556) and critical care (99292).
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Where did Dr. Johnathan Hao Sun go to medical school?
Dr. Sun graduated from New York College of Osteo Medicine of New York Institute of Technology in 2005.
Has Dr. Johnathan Hao Sun received payments from drug or device companies?
CMS Open Payments shows $198 in general payments to Dr. Sun from 2 companies from 2018 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Johnathan Hao Sun been practicing?
Dr. Sun graduated from medical school in 2005, 21 years ago.
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