Joonkwon Bak
- Medicare patients, 2024
- 65
- Part D claims, 2024
- 259
- Hospital affiliations
- 1
- Industry payments
- $68
- Medical groups
- 12
- Practice address
- 111 East 210th Street, Bronx, NY 10467
- Practice phone
- Call (718) 920-4321
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Joonkwon Bak'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.
Joonkwon Bak is a physician assistant in Bronx, New York
Joonkwon Bak practices at Montefiore Einstein Hospital-Moses Campus in Bronx, New York, part of Montefiore Einstein.
Joonkwon Bak's NPI, 1356868301, was assigned on August 29, 2017. Joonkwon Bak holds New York license 021224.
- NPI
- 1356868301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345674818
- NPI enumeration date
- August 29, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 920-4321
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joonkwon Bak practices at Montefiore Einstein Hospital-Moses Campus in Bronx, New York
Joonkwon Bak's primary practice is Montefiore Einstein Hospital-Moses Campus, at 111 East 210th Street, Bronx, NY 10467 in Bronx County. The practice phone is (718) 920-4321.
- Montefiore Einstein Hospital-Moses Campus111 East 210th Street, Bronx, NY 10467 · Bronx CountyPhone(718) 920-4321
Source: Dmand AI Affiliation Data
Joonkwon Bak is affiliated with 6 sites of care and 12 medical groups
Joonkwon Bak's primary practice is Montefiore Einstein Hospital-Moses Campus in Bronx, New York, part of Montefiore Einstein. The medical group on file is NYC Psychiatric Associates. Dmand AI also links Joonkwon Bak to 11 more medical groups, 4 group practices and clinics and 1 school 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 Joonkwon Bak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joonkwon Bak practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Montefiore Einstein Hospital-Moses Campus | Available with a free account |
| +5 more sites and 11 medical groups | 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 Montefiore Einstein and 6.2K+ hospitals, with verified contacts in the same login.
Joonkwon Bak is one of 11,456 physician assistants in New York
Physician assistant is Joonkwon Bak's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Joonkwon Bak is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Joonkwon Bak
Counts of physician assistants 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
Joonkwon Bak treated 65 Medicare patients in 2024, average age 73
CMS counts 65 Medicare patients who saw Joonkwon Bak in 2024. The largest group is 75 to 84, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 2.05, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Joonkwon Bak's median patient age at 33, with 61% women.
Joonkwon Bak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Joonkwon Bak's Medicare patients by sex, 2024
- Women3757%
- Men2843%
Chronic conditions among Joonkwon Bak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease48%
- Anxiety45%
- Arthritis45%
- Diabetes45%
- Heart failure42%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
Joonkwon Bak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joonkwon Bak wrote 259 Medicare Part D claims in 2024
In 2024, Joonkwon Bak wrote 259 Medicare Part D claims for 175 patients. 95% of them were for generic drugs.
Joonkwon Bak's Part D claims by kind of drug, 2024
- Generic247 claims95%
- Brand-name12 claims5%
Drug classes CMS tracks in Joonkwon Bak's Part D claims, 2024
- Antibiotics36%92 of 259 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Joonkwon Bak takes part in Medicare
Joonkwon Bak 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)
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.
Joonkwon Bak received $68 in industry payments in 2025
CMS Open Payments shows 2 general payments to Joonkwon Bak from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CSL Behring paid the most, $68.
Companies that paid Joonkwon Bak the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Joonkwon Bak'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 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 (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) |
| 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 Joonkwon Bak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joonkwon Bak's NPI number?
Joonkwon Bak's NPI number is 1356868301. It was assigned on August 29, 2017, and it is active in the NPI Registry.
What does Joonkwon Bak specialize in?
Joonkwon Bak is a physician assistant in Bronx, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Joonkwon Bak practice?
Joonkwon Bak practices at 111 East 210th Street, Bronx, NY 10467. Joonkwon Bak's primary practice is Montefiore Einstein Hospital-Moses Campus in Bronx, New York, part of Montefiore Einstein. Dmand AI also links Joonkwon Bak to 11 medical groups, 4 group practices and clinics and 1 school health center.
What is Joonkwon Bak's office phone number?
The practice phone on file for Joonkwon Bak is (718) 920-4321.
What is Joonkwon Bak's medical license number?
Joonkwon Bak holds New York license 021224.
Which hospitals is Joonkwon Bak affiliated with?
Joonkwon Bak practices at Montefiore Einstein Hospital-Moses Campus in Bronx, New York.
What medical group is Joonkwon Bak part of?
Joonkwon Bak is linked to NYC Psychiatric Associates. Dmand AI links Joonkwon Bak to 11 more medical groups.
Does Joonkwon Bak accept Medicare?
Yes. CMS lists Joonkwon Bak as accepting Medicare assignment.
How many Medicare patients does Joonkwon Bak see?
CMS counts 65 Medicare patients who saw Joonkwon Bak in 2024, with an average age of 73.
Has Joonkwon Bak received payments from drug or device companies?
CMS Open Payments shows $68 in general payments to Joonkwon Bak from 1 company from 2025 to 2025. The largest total came from CSL Behring.
How long has Joonkwon Bak been practicing?
Joonkwon Bak graduated from medical school in 2017, 9 years ago.
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