Dr. Yunchul John Pak, MD
- Industry payments
- $30
- Affiliated sites
- 2
- Insurance carriers
- 5
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 8510 N Balboa Blvd, Northridge, CA 91325
- Practice phone
- Call (818) 637-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lakeside Community Healthcare
Urgent Care Center · Northridge, California
Find Dr. Pak'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. Yunchul John Pak is a pediatrician in Northridge, California
Dr. Pak practices at Lakeside Community Healthcare in Northridge, California.
Dr. Pak's NPI, 1639223837, was assigned on January 23, 2007. Dr. Pak graduated from Chonnam University Medical School in 1965. Dr. Pak's California license number on file is A38260.
- NPI
- 1639223837NPI Registry (opens in a new tab)
- NPI enumeration date
- January 23, 2007
- NPI status
- Active
- Practice phone
- (818) 637-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1965
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Yunchul John Pak practices at Lakeside Community Healthcare in Northridge, California
Dr. Pak's primary practice is Lakeside Community Healthcare, at 8510 N Balboa Blvd, Northridge, CA 91325. The practice phone is (818) 637-2000.
- Lakeside Community Healthcare8510 N Balboa Blvd, Northridge, CA 91325Phone(818) 637-2000
Source: Dmand AI Affiliation Data
Dr. Yunchul John Pak is affiliated with 2 sites of care
Dr. Pak's primary practice is Lakeside Community Healthcare in Northridge, California. Dmand AI also links Dr. Pak to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Yunchul John Pak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pak practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lakeside Community Healthcare | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Yunchul John Pak is one of 8,236 pediatricians in California
Pediatrics is Dr. Pak's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Pak is board certified in pediatrics by the American Board of Pediatrics. Dr. Pak has a license on file in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Pak
Counts of pediatricians 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. Yunchul John Pak's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Dr. Pak's median patient age at 48, with 67% women.
Dr. Pak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women67%
- Men17%
Source: Dmand AI Patient Panel Data
Dr. Yunchul John Pak received $30 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. Pak from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $16.
General payments to Dr. Pak by program year, 2017 to 2018
Companies that paid Dr. Pak the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Yunchul John Pak graduated from Chonnam University Medical School
Dr. Pak graduated from Chonnam University Medical School in 1965.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Yunchul John Pak accepts plans from 5 insurance carriers
Dr. Pak is in network with 5 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- HCSC
- Molina
- Regence Health Plans
Plan types Dr. Pak accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Yunchul John Pak'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 Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Yunchul John Pak
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. Yunchul John Pak's NPI number?
Dr. Yunchul John Pak's NPI number is 1639223837. It was assigned on January 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Yunchul John Pak?
Dr. Yunchul John Pak is a pediatrician in Northridge, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Yunchul John Pak practice?
Dr. Pak practices at 8510 N Balboa Blvd, Northridge, CA 91325. Dr. Pak's primary practice is Lakeside Community Healthcare in Northridge, California. Dmand AI also links Dr. Pak to 1 physician office.
What is Dr. Yunchul John Pak's office phone number?
The practice phone on file for Dr. Pak is (818) 637-2000.
What is Dr. Yunchul John Pak's medical license number?
Dr. Pak's California license number on file is A38260.
Is Dr. Yunchul John Pak board certified?
Yes. Dr. Pak is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Yunchul John Pak go to medical school?
Dr. Pak graduated from Chonnam University Medical School in 1965.
Has Dr. Yunchul John Pak received payments from drug or device companies?
CMS Open Payments shows $30 in general payments to Dr. Pak from 2 companies from 2017 to 2018. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Yunchul John Pak been practicing?
Dr. Pak graduated from medical school in 1965, 61 years ago.
What insurance does Dr. Yunchul John Pak accept?
Dr. Pak is in network with 5 carriers, including Blue Cross Blue Shield of Massachusetts, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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