Dr. Justin Joohwan Park, MD
- Part D claims, 2024
- 122
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 1000 W Carson St, Torrance, CA 90509
- Practice phone
- Call (310) 222-2345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Park'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. Justin Joohwan Park is an internist in Torrance, California
Dr. Park practices at Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.
Dr. Park's NPI, 1396442992, was assigned on February 14, 2023. Dr. Park graduated from David Geffen School of Medicine at UCLA in 2023. Dr. Park holds California license A199573.
- NPI
- 1396442992NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688131675
- NPI enumeration date
- February 14, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 222-2345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin Joohwan Park practices at Harbor-UCLA Medical Center in Torrance, California
Dr. Park's primary practice is Harbor-UCLA Medical Center, at 1000 W Carson St, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 222-2345.
- Harbor-UCLA Medical Center1000 W Carson St, Torrance, CA 90509 · Los Angeles CountyPhone(310) 222-2345
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin Joohwan Park is affiliated with 1 site of care and 1 medical group
Dr. Park's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles. The medical group on file is Harbor-UCLA Medical Center.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Justin Joohwan Park's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Park practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harbor-UCLA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Justin Joohwan Park is one of 16,751 internists in California
Internal medicine is Dr. Park's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Park is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Park
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. Justin Joohwan Park's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Park's median patient age at 65, with 0% women.
Dr. Park's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Justin Joohwan Park wrote 122 Medicare Part D claims in 2024
In 2024, Dr. Park wrote 122 Medicare Part D claims for 46 patients. 74% of them were for generic drugs.
Dr. Park's Part D claims by kind of drug, 2024
- Generic90 claims74%
- Brand-name and other32 claims26%
Drug classes CMS tracks in Dr. Park's Part D claims, 2024
- Antibiotics13%16 of 122 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 Dr. Justin Joohwan Park takes part in Medicare
Dr. Park 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. Justin Joohwan Park graduated from David Geffen School of Medicine at UCLA
Dr. Park graduated from David Geffen School of Medicine at UCLA in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Justin Joohwan Park'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)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Justin Joohwan Park
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. Justin Joohwan Park's NPI number?
Dr. Justin Joohwan Park's NPI number is 1396442992. It was assigned on February 14, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin Joohwan Park?
Dr. Justin Joohwan Park is an internist in Torrance, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Justin Joohwan Park practice?
Dr. Park practices at 1000 W Carson St, Torrance, CA 90509. Dr. Park's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.
What is Dr. Justin Joohwan Park's office phone number?
The practice phone on file for Dr. Park is (310) 222-2345.
What is Dr. Justin Joohwan Park's medical license number?
Dr. Park holds California license A199573.
Which hospitals is Dr. Justin Joohwan Park affiliated with?
Dr. Park practices at Harbor-UCLA Medical Center in Torrance, California.
What medical group is Dr. Justin Joohwan Park part of?
Dr. Park is linked to Harbor-UCLA Medical Center.
Does Dr. Justin Joohwan Park accept Medicare?
Yes. CMS lists Dr. Park as accepting Medicare assignment.
Where did Dr. Justin Joohwan Park go to medical school?
Dr. Park graduated from David Geffen School of Medicine at UCLA in 2023.
How long has Dr. Justin Joohwan Park been practicing?
Dr. Park graduated from medical school in 2023, 3 years ago.
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