Dr. Ho Jun Jun Yun, MD
- Medicare services, 2023
- 28
- Part D claims, 2020
- 39
- Industry payments
- $364
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 759 Chestnut St # D1170 #D1170, Springfield, MA 01107
- Practice phone
- Call (413) 794-4550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Baystate Medical Education & Research Foundation, Inc.
Multi-specialty group site · Springfield, Massachusetts
Find Dr. Yun'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. Ho Jun Jun Yun is a neurosurgeon in Springfield, Massachusetts
Dr. Yun practices at Baystate Medical Education & Research Foundation, Inc. in Springfield, Massachusetts.
Dr. Yun's NPI, 1831522184, was assigned on August 9, 2013. Dr. Yun holds Tennessee license UTRESIDENT.
- NPI
- 1831522184NPI Registry (opens in a new tab)
- NPI enumeration date
- August 9, 2013
- NPI status
- Active
- Practice phone
- (413) 794-4550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ho Jun Jun Yun practices at Baystate Medical Education & Research Foundation, Inc. in Springfield, Massachusetts
Dr. Yun's primary practice is Baystate Medical Education & Research Foundation, Inc., at 759 Chestnut St # D1170 #D1170, Springfield, MA 01107. The practice phone is (413) 794-4550.
- Baystate Medical Education & Research Foundation, Inc.759 Chestnut St # D1170 #D1170, Springfield, MA 01107Phone(413) 794-4550
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ho Jun Jun Yun is affiliated with 1 site of care and 1 medical group
Dr. Yun's primary practice is Baystate Medical Education & Research Foundation, Inc. in Springfield, Massachusetts. The medical group on file is Baystate Medical Practices.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Ho Jun Jun Yun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yun practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baystate Medical Education & Research Foundation, Inc. | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ho Jun Jun Yun is one of 182 neurosurgeons in Massachusetts
Neurological surgery is Dr. Yun's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Dr. Yun's licenses on file in 2 states: Tennessee and Massachusetts.
Specialties and state licenses
- Neurological surgery, TennesseePrimary
- Surgical physician assistant, Massachusetts
Neurosurgeons near Dr. Yun
Counts of neurosurgeons 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. Ho Jun Jun Yun billed Medicare for 28 services in 2023
CMS data shows 28 Medicare services from Dr. Yun across 2 procedure codes in 2023. Medicare paid $1,219 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Yun's Medicare services by type, 2020 to 2023
- 2020
- 2023
- Office and hospital visits
- 2020: 1272023: 2878%
Dr. Yun compared with the Massachusetts median for neurosurgeons, 2023
- Dr. Yun
- Massachusetts median
- Medicare services
- 28vs 20286% below
- Part D claims
- 39vs 2277% above
Medians across 156 neurosurgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Yun's most billed Medicare procedure codes, 2023
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. Yun and other neurosurgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ho Jun Jun Yun's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Dr. Yun's median patient age at 31, with 0% women.
Dr. Yun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Ho Jun Jun Yun wrote 39 Medicare Part D claims in 2020
In 2020, Dr. Yun wrote 39 Medicare Part D claims. They cover 2 drugs, with $274 in total drug cost. In 2019, CMS named 29 claims across 2 drugs.
Dr. Yun's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 292020: 3934%
Drugs named by CMS: 2 in 2020, 2 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Ho Jun Jun Yun received $364 in industry payments from 2023 to 2025
CMS Open Payments shows 10 general payments to Dr. Yun from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Becton, Dickinson and Company paid the most, $122.
General payments to Dr. Yun by program year, 2023 to 2025
Companies that paid Dr. Yun the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ho Jun Jun Yun'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Ho Jun Jun Yun
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. Ho Jun Jun Yun's NPI number?
Dr. Ho Jun Jun Yun's NPI number is 1831522184. It was assigned on August 9, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Ho Jun Jun Yun?
Dr. Ho Jun Jun Yun is a neurosurgeon in Springfield, Massachusetts. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Ho Jun Jun Yun practice?
Dr. Yun practices at 759 Chestnut St # D1170 #D1170, Springfield, MA 01107. Dr. Yun's primary practice is Baystate Medical Education & Research Foundation, Inc. in Springfield, Massachusetts.
What is Dr. Ho Jun Jun Yun's office phone number?
The practice phone on file for Dr. Yun is (413) 794-4550.
What is Dr. Ho Jun Jun Yun's medical license number?
Dr. Yun holds Tennessee license UTRESIDENT, one of the licenses on file in 2 states.
Which states has Dr. Ho Jun Jun Yun been licensed in?
Dmand AI has state licenses on file for Dr. Yun in Tennessee and Massachusetts.
What medical group is Dr. Ho Jun Jun Yun part of?
Dr. Yun is linked to Baystate Medical Practices.
Does Dr. Ho Jun Jun Yun accept Medicare?
Yes. CMS data shows Dr. Yun billed Medicare for 28 services in 2023.
What services does Dr. Ho Jun Jun Yun bill to Medicare?
In 2023, Dr. Yun's most billed Medicare services were hospital inpatient care (99231) and hospital inpatient care (99221).
What drugs does Dr. Ho Jun Jun Yun prescribe most?
In 2020 Medicare Part D data, Dr. Yun's most prescribed drugs by claims were Tizanidine HCl and Hydrocodone-Acetaminophen.
Has Dr. Ho Jun Jun Yun received payments from drug or device companies?
CMS Open Payments shows $364 in general payments to Dr. Yun from 9 companies from 2023 to 2025. The largest total came from Becton, Dickinson and Company.
How long has Dr. Ho Jun Jun Yun been practicing?
Dr. Yun graduated from medical school in 2013, 13 years ago.
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