Jaesoo Pak, M.D.
NPI 1023124054 · Gastroenterology Physician · Cerritos, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jaesoo Pak, M.D. is a Gastroenterology Physician provider in Cerritos, CA (NPI 1023124054).
Provider details
- NPI number
- 1023124054
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G77845 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
8,561 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 1,960 | $67 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 925 | $52 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 613 | $3 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 574 | $43 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 489 | $54 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 152 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Icosapent Ethylbrand: Vascepa | 1,276 | 152 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 756 | 131 |
| Lipase/Protease/Amylasebrand: Creon | 748 | 107 |
| Evolocumabbrand: Repatha Pushtronex | 731 | 123 |
| Evolocumabbrand: Repatha Sureclick | 728 | 121 |
| Pantoprazole Sodium | 644 | 223 |
| Clopidogrel Bisulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,483 across 150 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2007-07-09
Frequently asked questions
- What is Jaesoo Pak's NPI number?
- Jaesoo Pak's National Provider Identifier (NPI) is 1023124054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaesoo Pak's specialty?
- Jaesoo Pak is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jaesoo Pak located?
- Jaesoo Pak's practice location on file with NPPES is 11841 South St, Cerritos, CA 90703-6825.
- What is Jaesoo Pak's phone number?
- The practice phone number listed in the NPPES registry for Jaesoo Pak is (562) 809-8082.
- Does Jaesoo Pak accept Medicare?
- Jaesoo Pak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jaesoo Pak's NPI active?
- Yes — Jaesoo Pak's NPI (1023124054) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.