Mark Jungwon Pak, D.D.S.
Periodontics · Montrose, CA
Mark Jungwon Pak, D.D.S. is a periodontics with a practice address in Montrose, California, and NPI 1336365790, issued on Apr 17, 2007. Check the license (California 49966, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Jungwon Pak
- Credential
- D.D.S.
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 49966 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4148 Ocean View Blvd, Montrose, CA 91020
- Phone
- (818) 369-7790
- Enumerated
- Apr 17, 2007
- Record last updated
- Apr 16, 2024
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Verify Mark Jungwon Pak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 49966Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average periodontics in 2024
48 Medicare Part D claims for 25 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 15 claims were for opioids.
Most prescribed
- Amoxicillin25 claims
- Acetaminophen-Codeine12 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.
Mark Jungwon Pak among 929 periodontics records in California
Mark Jungwon Pak, D.D.S. is one of 929 periodontics records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2024 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in California
There are 929 periodontics records in California.
All 929 in California → Every provider in Montrose → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Joseph Hsiou, DDSSouth Pasadena, CA 910301689813735
- Leshin Chen, DDSArcadia, CA 910071356539050
- Joseph Fuentes, DDSArcadia, CA 910071578570065
- Chang Hsiang Huo, DENTISTArcadia, CA 910071285756981
- Jiunn Der Hwang, DDSArcadia, CA 910071295867349
- Donna Klauser, D.D.S.Arcadia, CA 910071851430029
- John Snowden, D.D.S.Arcadia, CA 910071053742130
- Larry Tuan, LARRY TUANArcadia, CA 910071386911550
Common questions
What is Mark Jungwon Pak, D.D.S.'s NPI number?
Mark Jungwon Pak, D.D.S.'s National Provider Identifier (NPI) is 1336365790, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Jungwon Pak, D.D.S. located?
The NPPES record lists a practice address at 4148 Ocean View Blvd, Montrose, CA, 91020. Phone: (818) 369-7790. Providers update this record themselves, so call before visiting.
How can I verify Mark Jungwon Pak, D.D.S.'s license?
NPPES lists California license number 49966, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Jungwon Pak, D.D.S. prescribe under Medicare Part D?
In 2024, Mark Jungwon Pak, D.D.S. had 48 Medicare Part D claims for 25 beneficiaries; the average among periodontics prescribers was 277. Part D covers Medicare prescriptions only.
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.