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Edit this profileAt a glance
- 27799 Medical Center Rd Ste 440, Mission Viejo, CA 92691
About Dr. Pak
Peter S. Pak, M.D. is a healthcare provider in Mission Viejo, CA specializing in general surgery. Peter trained at Albert Einstein College of Medicine of Yeshiva University, graduating in 2011. Peter is also listed as specializing in trauma surgery and surgery. According to Medicare claims data, Peter cared for 368 Medicare patients across 441 services. The services billed most often include critical care, first 30-74 minutes, critical care, each additional 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. This provider record is associated with NPI 1588955694.
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
- (949) 364-1007
- Email not available
Practice Locations
27799 MEDICAL CENTER RD STE 440
Mission Viejo, CA 92691
Conditions Commonly Evaluated or Treated
Within General Surgery 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
Anorectal
Appendix, bowel, and emergency
Gallbladder and biliary
Hernia and abdominal wall
Skin and soft tissue
Abdominal
Abdominal wall
Breast
Colorectal
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
Endocrine
Gastrointestinal
Hernia
Infections
Lymphatic
Oncology
Procedures & services
Most searched procedures
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
Hernia repair
Skin and soft tissue
Abdominal surgery
Abdominal wall
Access and nutrition
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
Colorectal
Colorectal surgery
Digestive procedures
Endocrine surgery
Gastrointestinal
Hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
Wound care
Procedures Most Often Billed to Medicare
441 services · 368 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
13 | Too few peers to compare |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
13 | Less often than most peers in General Surgery |
| Ultrasound scan of chest | Imaging | 76604 |
13 | Too few peers to compare |
| Ultrasound of heart, follow-up | Treatment | 93308 |
13 | Less often than most peers in General Surgery |
| Critical care, first 30-74 minutes | Office visit | 99291 |
232 | More than most peers in General Surgery |
| Critical care, each additional 30 minutes | Office visit | 99292 |
52 | More often than most peers in General Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
44 | As often as other peers in General Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
41 | As often as other peers in General Surgery |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
20 | As often as other peers in General Surgery |
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.
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.
Common questions
What is Peter S. Pak's specialty?
Peter S. Pak is a general surgeon in Mission Viejo, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Where can I find Peter S. Pak?
Peter S. 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 Peter S. Pak?
The number on file is (949) 364-1007. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Peter S. Pak's NPI number?
Peter S. 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 Peter S. Pak's education?
Peter S. 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 Peter S. Pak been practicing?
Peter S. Pak has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Peter S. Pak known for?
According to Medicare billing data, Peter S. 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 Peter S. Pak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Peter S. Pak. If this is you, claiming it is free.
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