Sung-Un Justin Park, MD
Neurology Physician · Anaheim, CA
Sung-Un Justin Park, MD is a neurology physician with a practice address in Anaheim, California, and NPI 1649298084, issued on Jul 17, 2006. Check the license (California A48704, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sung-Un Justin Park
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A48704 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3055 W Orange Ave, Anaheim, CA 92804
- Phone
- (714) 484-8054
- Enumerated
- Jul 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 484-8072
- Medicaid ID
- 00A487041 CA
- Medicare enrollment
- Enrolled (PECOS I20040917000285); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 3055 W Orange Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ivon Campo, MSpecialist1306835947
- John Ernsberger, M.D.Internal Medicine Physician1720330301
- Robert Everakes, MDOphthalmology Physician1083631949
- Zohreh Javanshir, L.MFTMental Health Counselor1801958954
- Edward Kramer, M.D.Procedural Dermatology Physician1548302243
Verify Sung-Un Justin Park in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48704Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.9 times the Medicare Part D claims of the average neurology physician in 2024
12,216 Medicare Part D claims for 1,088 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 321 claims were for opioids.
Most prescribed
- Memantine Hcl1,783 claims
- Galantamine Hbr1,045 claims
- Gabapentin822 claims
- Quetiapine Fumarate665 claims
- Pregabalin624 claims
- Donepezil Hcl619 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 46.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $44.83
3 payments; by number, the most common kind was food and beverage; the largest payer was Mdd US Operations, LLC. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sung-Un Justin Park among 2,339 neurology physician records in California
Sung-Un Justin Park, MD is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1988 · median 2006 among the 1,628 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Anaheim → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Chong Kim, MDAnaheim, CA 928041538188347
- Tracy Hatzopoulos, M.D.Anaheim, CA 928061679701817
- Sirichai Chayasirisobhon, MDAnaheim, CA 928071063560928
- Suresh Gurbani, MDAnaheim, CA 928071750458774
- David Holstein, M.D.Anaheim, CA 928011518987585
- Edward Markus, DOAnaheim, CA 928071093882920
- Divina Oropilla, MDAnaheim, CA 928071891854485
- Pirouz PiranAnaheim, CA 928011467879452
Common questions
What is Sung-Un Justin Park, MD's NPI number?
Sung-Un Justin Park, MD's National Provider Identifier (NPI) is 1649298084, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sung-Un Justin Park, MD located?
The NPPES record lists a practice address at 3055 W Orange Ave, Anaheim, CA, 92804. Phone: (714) 484-8054. Providers update this record themselves, so call before visiting.
How can I verify Sung-Un Justin Park, MD's license?
NPPES lists California license number A48704, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sung-Un Justin Park, MD prescribe under Medicare Part D?
In 2024, Sung-Un Justin Park, MD had 12,216 Medicare Part D claims for 1,088 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Sung-Un Justin Park, MD's MIPS final score?
The 2023 MIPS final score is 46.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.