Physician Profile
Unclaimed ProfileAbout PAK
Peter Sungjin Pak, M.D. is a healthcare provider in Mission Viejo, CA specialising in general surgery. Peter trained at Albert Einstein College of Medicine of Yeshiva University, graduating in 2011. Peter is also listed as specialising in trauma surgery and surgery. According to Medicare claims data, Peter cared for 368 Medicare patients across 441 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Pak's specialty?
Dr. Pak is a general surgeon in Mission Viejo, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Where can I find Dr. Pak?
Dr. Pak is listed at 27799 MEDICAL CENTER RD STE 440, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Pak?
The number on file is (949) 364-1007. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Pak's NPI number?
Dr. Pak's National Provider Identifier is 1588955694. 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 Dr. Pak's medical education?
Dr. Pak attended Albert Einstein College of Medicine of Yeshiva University, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Pak been practising?
Dr. Pak has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Pak known for?
According to Medicare billing data, Dr. Pak performs imaging including limited ultrasound scan behind abdominal cavity and limited ultrasound scan of abdomen; provides treatments such as ultrasound of heart, follow-up, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Pak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Pak. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 364-1007
- Email not available
Practice Locations
27799 MEDICAL CENTER RD STE 440
Mission Viejo, CA 92691
Procedures Most Often Billed to Medicare
441 services · 368 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
13 |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
13 |
| Ultrasound scan of chest | Imaging | 76604 |
13 |
| Ultrasound of heart, follow-up | Treatment | 93308 |
13 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
232 |
| Critical care, each additional 30 minutes | Office visit | 99292 |
52 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
44 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
41 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 3
Same specialty, same street address — most likely the same department or group.
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 general surgeons in Mission Viejo 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Albert Einstein College of Medicine of Yeshiva University 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Albert Einstein College of Medicine of Yeshiva University 8
Providers who graduated from the same medical school in the same year.
Also performs Limited ultrasound scan behind abdominal cavity 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.