Dr. Sung-Un Justin Park, MD
- Medicare services, 2024
- 15,621
- Medicare patients, 2024
- 482
- Part D claims, 2024
- 12,216
- MIPS score, 2024
- 48
- Industry payments
- $883
- Practice address
- 3055 W Orange Ave Ste 101, Anaheim, CA 92804-3152
- Practice phone
- Call (714) 484-8054
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sung-Un Justin Park Neurology and Pain Medicine
Physician office · Anaheim, California
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. Sung-Un Justin Park is a neurologist in Anaheim, California
Dr. Park practices at Sung-Un Justin Park Neurology and Pain Medicine in Anaheim, California.
Dr. Park's NPI, 1649298084, was assigned on July 17, 2006. Dr. Park graduated from Yonsei University College of Medicine in 1988. Dr. Park holds California license A48704.
- NPI
- 1649298084NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638146756
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Practice phone
- (714) 484-8054
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sung-Un Justin Park practices at Sung-Un Justin Park Neurology and Pain Medicine in Anaheim, California
Dr. Park's primary practice is Sung-Un Justin Park Neurology and Pain Medicine, at 3055 W Orange Ave Ste 101, Anaheim, CA 92804-3152. The practice phone is (714) 484-8054.
- Sung-Un Justin Park Neurology and Pain Medicine3055 W Orange Ave Ste 101, Anaheim, CA 92804-3152Phone(714) 484-8054
Source: Dmand AI Affiliation Data
Dr. Sung-Un Justin Park is affiliated with 3 sites of care
Dr. Park's primary practice is Sung-Un Justin Park Neurology and Pain Medicine in Anaheim, California. Dmand AI also links Dr. Park to 2 home health agencies, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sung-Un Justin Park's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Park practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sung-Un Justin Park Neurology and Pain Medicine | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sung-Un Justin Park is one of 2,207 neurologists in California
Neurology is Dr. Park's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Park's licenses on file in 2 states: California and New Mexico.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- New Mexico license
Clinical focus
Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, carpal tunnel syndrome, epilepsy, essential tremor, fibromyalgia and chronic pain, head injury and hereditary polyneuropathy among the conditions Dr. Park treats.
Neurologists near Dr. Park
Counts of neurologists 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. Sung-Un Justin Park billed Medicare for 15,621 services in 2024
CMS data shows 15,621 Medicare services from Dr. Park across 15 procedure codes in 2024, for 482 Medicare patients. Medicare paid $195,699 for them. Every service was in an office.
Dr. Park's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,6862024: 14,172741%
- Office and hospital visits
- 2023: 1,0282024: 9725%
- Surgery
- 2023: 4842024: 33431%
- Tests and treatments
- 2023: 1312024: 1439%
Dr. Park compared with the California median for neurologists, 2024
- Dr. Park
- California median
- Medicare services
- 15,621vs 40438.7 times
- Medicare patients
- 482vs 1902.5 times
- Part D claims
- 11,950vs 32436.9 times
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Park'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Park and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sung-Un Justin Park treated 482 Medicare patients in 2024, average age 80
CMS counts 482 Medicare patients who saw Dr. Park in 2024. The largest group is 75 to 84, with 249 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 80% are also on Medicaid. Their average risk score is 1.90, 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. Park's median patient age at 78, with 58% women.
Dr. Park's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Park's Medicare patients by sex, 2024
- Women31666%
- Men16634%
Chronic conditions among Dr. Park's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Alzheimer's and dementia54%
- Diabetes53%
- Mood disorders48%
- Depression47%
- Osteoporosis40%
Share of Medicare patients with each condition. A patient can have several.
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 78
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sung-Un Justin Park wrote 12,216 Medicare Part D claims in 2024
In 2024, Dr. Park wrote 12,216 Medicare Part D claims for 1,088 patients. 97% of them were for generic drugs. CMS names the drug for 11,950 of them, across 82 drugs with 11 or more claims each, at $615,439 in total drug cost. In 2023, CMS named 10,697 claims across 77 drugs.
Dr. Park's Part D claims by kind of drug, 2024
- Generic11,884 claims97%
- Brand-name and other332 claims3%
Dr. Park's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Park's Part D claims, 2024
- Opioids3%321 of 12,216 claims
- Antibiotics0%23 of 12,216 claims
- Antipsychotics, patients 65 and over8%938 of 12,216 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 10,6972024: 11,95012%
Drugs named by CMS: 82 in 2024, 77 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Sung-Un Justin Park scored 48 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 48 out of 100 for Dr. Park for performance year 2024, reported individually.
Dr. Park's MIPS scores, performance year 2024
- 48of 100Final score
- 37.3of 100Quality
- 0of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Sung-Un Justin Park received $883 in industry payments from 2016 to 2025
CMS Open Payments shows 59 general payments to Dr. Park from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $494.
General payments to Dr. Park by program year, 2016 to 2025
Companies that paid Dr. Park the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sung-Un Justin Park graduated from Yonsei University College of Medicine
Dr. Park graduated from Yonsei University College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Sung-Un Justin Park accepts plans from 16 insurance carriers
Dr. Park is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Molina
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Park accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Sung-Un Justin 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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Sung-Un Justin 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. Sung-Un Justin Park's NPI number?
Dr. Sung-Un Justin Park's NPI number is 1649298084. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sung-Un Justin Park?
Dr. Sung-Un Justin Park is a neurologist in Anaheim, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Sung-Un Justin Park practice?
Dr. Park practices at 3055 W Orange Ave Ste 101, Anaheim, CA 92804-3152. Dr. Park's primary practice is Sung-Un Justin Park Neurology and Pain Medicine in Anaheim, California. Dmand AI also links Dr. Park to 2 home health agencies.
What is Dr. Sung-Un Justin Park's office phone number?
The practice phone on file for Dr. Park is (714) 484-8054.
What is Dr. Sung-Un Justin Park's medical license number?
Dr. Park holds California license A48704, one of the licenses on file in 2 states.
Which states has Dr. Sung-Un Justin Park been licensed in?
Dmand AI has state licenses on file for Dr. Park in California (1990 to 2026) and New Mexico (1975 to 1999).
Does Dr. Sung-Un Justin Park accept Medicare?
Yes. CMS data shows Dr. Park billed Medicare for 15,621 services in 2024.
What is Dr. Sung-Un Justin Park's MIPS score?
Dr. Park's MIPS final score for performance year 2024 is 48 out of 100, reported individually.
How many Medicare patients does Dr. Sung-Un Justin Park see?
CMS counts 482 Medicare patients who saw Dr. Park in 2024, with an average age of 80.
What services does Dr. Sung-Un Justin Park bill to Medicare?
In 2024, Dr. Park's most billed Medicare services were injected or infused drug (J1010), injected or infused drug (J0665) and office visit, established patient (99214).
Show 5 more questionsShow fewer questions
Where did Dr. Sung-Un Justin Park go to medical school?
Dr. Park graduated from Yonsei University College of Medicine in 1988.
What drugs does Dr. Sung-Un Justin Park prescribe most?
In 2024 Medicare Part D data, Dr. Park's most prescribed drugs by claims were Memantine HCl, Galantamine HBr and Gabapentin.
Has Dr. Sung-Un Justin Park received payments from drug or device companies?
CMS Open Payments shows $883 in general payments to Dr. Park from 6 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Sung-Un Justin Park been practicing?
Dr. Park graduated from medical school in 1988, 38 years ago.
What insurance does Dr. Sung-Un Justin Park accept?
Dr. Park is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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