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Edit this profileAt a glance
- 4840 Irvine Blvd Ste 203, Irvine, CA 92620
About Dr. Pak
Jaewoo Pak, M.D. practices internal medicine in Irvine, CA. Jaewoo is a 1992 graduate of University of Southern California Keck School of Medicine. Jaewoo is also listed as specializing in pain medicine. Medicare claims data shows Jaewoo provided 49,166 services to 1,964 patients. The services billed most often include injection, dexamethasone sodium phosphate, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and injection into tendon or ligament. The provider's National Provider Identifier (NPI) is 1962567321.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 389-7000
- Email not available
Practice Locations
4840 IRVINE BLVD STE 203
Irvine, CA 92620
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
- AFib
Digestive
Heart & Circulation
- Heart disease
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
49,166 services · 1,964 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
8,307 | Too few peers to compare |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
5,516 | More than most peers in Internal Medicine |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
2,536 | Too few peers to compare |
| Injection of anesthetic agent and/or steroid into other nerve or branch | Procedure | 64450 |
1,578 | More than most peers in Internal Medicine |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
676 | Too few peers to compare |
| Infusion into a vein for hydration, each additional hour | Treatment | 96361 |
500 | Too few peers to compare |
| Infusion into a vein for hydration, 31-60 minutes | Treatment | 96360 |
500 | Too few peers to compare |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
16,361 | More than most peers in Internal Medicine |
| Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | Drug given | J7321 |
2,270 | Too few peers to compare |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
10,800 | More than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internists in Irvine 8
Same specialty, same city.
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1992 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection into tendon or ligament 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Jaewoo Pak's specialty?
Jaewoo Pak is an internist in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Jaewoo Pak?
Jaewoo Pak is listed at 4840 Irvine Blvd Ste 203, Irvine, CA 92620. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Jaewoo Pak?
The number on file is (714) 389-7000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Jaewoo Pak?
Jaewoo Pak's National Provider Identifier is 1962567321. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Jaewoo Pak's education?
Jaewoo Pak attended University of Southern California Keck School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jaewoo Pak have?
Jaewoo Pak has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What is Jaewoo Pak known for?
According to Medicare billing data, Jaewoo Pak performs procedures including injection into tendon or ligament, aspiration and/or injection of fluid from large joint and aspiration and/or injection of fluid from medium joint; provides treatments such as infusion into a vein for hydration, each additional hour and infusion into a vein for hydration, 31-60 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Jaewoo Pak's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jaewoo Pak. If this is you, claiming it is free.
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