Jaewoo Pak, M.D.
Pain Medicine Physician · Irvine, CA
Jaewoo Pak, M.D. is a pain medicine physician with a practice address in Irvine, California, and NPI 1962567321, issued on Dec 26, 2006. Check the license (California G077617, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jaewoo Pak
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine Physician 208VP0000X
- License number
- G077617 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4840 Irvine Blvd Ste 203, Irvine, CA 92620
- Phone
- (714) 389-7000
- Enumerated
- Dec 26, 2006
- Record last updated
- Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041122001301); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest pain medicine physician records → All 140 in California → Look up another NPI →
Verify Jaewoo Pak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G077617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average pain medicine physician in 2024
384 Medicare Part D claims for 90 beneficiaries, against an average of 2,095 among the 944 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Celecoxib131 claims
- Pantoprazole Sodium43 claims
- Valacyclovir14 claims
- Januvia13 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.
Industry payments in 2024: $66.87
3 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 769 providers of this specialty with any payment received $3,397.95 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.
Jaewoo Pak among 140 pain medicine physician records in California
Jaewoo Pak, M.D. is one of 140 pain medicine physician records with a practice address in California. 75% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 57% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1992 · median 2001 among the 81 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine Physician providers in California
There are 140 pain medicine physician records in California.
All 140 in California → Every provider in Irvine → Pain Medicine Physician nationwide →
The 8 pain medicine physician records with the nearest ZIP codes
- Ketan Patel, MDIrvine, CA 926181316320864
- Naveed Mameghani, M.D.Costa Mesa, CA 926261568826964
- Medhat Mikhael, M.D.Costa Mesa, CA 926261558397331
- Kimberly Nguyen, DOCosta Mesa, CA 926271952780983
- Howard Siegel, M.D.Irvine, CA 926121467522664
- Bobby Nourani, D.O.Lake Forest, CA 926301700115961
- Rohit Aiyer, M.D.Huntington Beach, CA 926471801207014
- Thomas Powers, M.D.Huntington Beach, CA 926481275846552
Common questions
What is Jaewoo Pak, M.D.'s NPI number?
Jaewoo Pak, M.D.'s National Provider Identifier (NPI) is 1962567321, issued on Dec 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jaewoo Pak, M.D. located?
The NPPES record lists a practice address at 4840 Irvine Blvd Ste 203, Irvine, CA, 92620. Phone: (714) 389-7000. Providers update this record themselves, so call before visiting.
How can I verify Jaewoo Pak, M.D.'s license?
NPPES lists California license number G077617, 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 Jaewoo Pak, M.D. prescribe under Medicare Part D?
In 2024, Jaewoo Pak, M.D. had 384 Medicare Part D claims for 90 beneficiaries; the average among pain medicine physician prescribers was 2,095. 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.