Physician Profile
Phillip Zaret, M.D.
Unclaimed ProfileAbout Dr. Zaret
Phillip Zaret, M.D. practices general surgery in Libertyville, IL. Phillip is a 1978 graduate of University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb). Phillip is also listed as specializing in trauma surgery and surgery. According to Medicare claims data, Phillip cared for 191 Medicare patients across 219 services. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes. The provider's National Provider Identifier (NPI) is 1851387120.
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
- (847) 353-8802
- Email not available
Practice Locations
114 W ROCKLAND RD
Libertyville, IL 60048
801 S Milwaukee Ave
Libertyville, IL 60048
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
- Anal fissure
- Anal fistula
- Hemorrhoids
- Perianal abscess
- Rectal prolapse
Appendix, bowel, and emergency
- Diverticulitis
- Intra-abdominal abscess
- Mesenteric ischemia
- Peritonitis
Gallbladder and biliary
- Acute gallbladder inflammation
- Biliary dyskinesia
Hernia and abdominal wall
- Belly-button hernia
- Femoral hernia
- Groin hernia
- Hiatal hernia
- Incisional hernia
- Ventral hernia
Skin and soft tissue
- Epidermoid cyst
- Hidradenitis suppurativa
- Lipoma
- Skin and soft-tissue abscess
- Soft-tissue mass
Abdominal
Abdominal wall
Breast
- Benign breast disease
- Breast abscess
- Gynecomastia
Colorectal
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
- Perforated bowel
Endocrine
Gastrointestinal
Hernia
- Diaphragmatic hernia
- Sports Hernia
- Strangulated Hernia
Infections
Lymphatic
Oncology
Procedures & services
Most searched procedures
- Appendectomy
- Breast biopsy
- Gallbladder surgery
- Hernia repair surgery
- Lumpectomy
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
- Laparoscopic groin-hernia repair
- Robotic hernia repair
Skin and soft tissue
- Incision and drainage of an abscess
- Lipoma removal
- Removal of a soft-tissue mass
Abdominal surgery
- Spleen removal
Abdominal wall
- Abdominal Muscle Separation Repair
Access and nutrition
- Jejunostomy feeding-tube placement
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
- Colostomy Surgery
- Ileostomy Surgery
- Ostomy reversal
Digestive procedures
- Achalasia Surgery
- Acid reflux surgery
Endocrine surgery
- Partial Thyroid Removal
Gastrointestinal
Hernia surgery
- Sports hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
- Central line placement
- Chemo port placement
Wound care
- Wound cleaning and debridement
Procedures Most Often Billed to Medicare
219 services · 191 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
14 | As often as other peers in General Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
52 | More often than most peers in General Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
43 | More often than most peers in General Surgery |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
41 | As often as other peers in General Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
25 | Less often than most peers in General Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 | Less often than most peers in General Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
15 | Less often than most peers in General Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 | Less often than most 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.
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 Libertyville 4
Same specialty, same city.
Trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1978 at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of large bowel using a flexible endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Phillip Zaret's specialty?
Phillip Zaret is a general surgeon in Libertyville, IL. 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 Phillip Zaret?
Phillip Zaret is listed at 114 W Rockland Rd, Libertyville, IL 60048. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Phillip Zaret?
The number on file is (847) 353-8802. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Phillip Zaret's NPI number?
Phillip Zaret's National Provider Identifier is 1851387120. 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 Phillip Zaret's education?
Phillip Zaret attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How long has Phillip Zaret been practicing?
Phillip Zaret has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What is Phillip Zaret known for?
According to Medicare billing data, Phillip Zaret performs procedures including diagnostic exam of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Phillip Zaret confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Phillip Zaret. If this is you, claiming it is free.
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