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Edit this profileWhere to find Anthony S. Oh, MD
- Montclair location main office
4950 San Bernardino St Ste 202, Montclair, CA 91763 - Covina location
315 N 3rd Ave Ste 206, Covina, CA 91723
About Dr. Oh
Anthony S. Oh, MD practices general surgery in Montclair, CA. Anthony is a 1996 graduate of University of California, Geffen School of Medicine. Anthony is also listed as specializing in surgery. According to Medicare claims data, Anthony cared for 706 Medicare patients across 1,361 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. The provider's National Provider Identifier (NPI) is 1154401354.
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
- (909) 621-7647
- Email not available
Practice Locations
4950 SAN BERNARDINO ST STE 202
Montclair, CA 91763
315 N 3rd Ave Ste 206
Covina, CA 91723
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
- Appendicitis
- Breast cancer
- Gallstones
- Hernia
- Thyroid nodules
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
- Enlarged spleen
Abdominal wall
Breast
- Benign breast disease
- Breast abscess
- Gynecomastia
Colorectal
- Pilonidal cyst
Digestive
- Acid reflux
- Acute pancreatitis
- Bleeding Stomach Ulcer
- Bowel Fistula
- Gastroparesis
- Swallowing difficulties
Emergency surgery
- Perforated bowel
Endocrine
- Adrenal gland tumor
- Hyperparathyroidism
- Thyroid cancer
Gastrointestinal
- Bowel obstruction
Hernia
- Diaphragmatic hernia
- Sports Hernia
- Strangulated Hernia
Infections
- Flesh-Eating Infection
Lymphatic
- Swollen Lymph Nodes
Oncology
- Colon cancer
- Neuroendocrine Tumors
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
- Gallbladder removal
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
- Lymph Node Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
- Male Breast Reduction
Colorectal
- Pilonidal cyst surgery
- Rectal prolapse repair
Colorectal surgery
- Colostomy Surgery
- Ileostomy Surgery
- Ostomy reversal
Digestive procedures
- Achalasia Surgery
- Acid reflux surgery
Endocrine surgery
- Partial Thyroid Removal
Gastrointestinal
- Feeding tube placement
Hernia surgery
- Sports hernia surgery
Skin & Soft Tissue
- Cyst Removal
Surgical Oncology
- Complex skin lesion excision
Surgical procedures
- Chemo port removal
Vascular Access
- Central line placement
- Chemo port placement
Wound care
- Wound cleaning and debridement
Procedures Most Often Billed to Medicare
1,361 services · 706 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
50 | More than most peers in General Surgery |
| Removal of muscle and/or tissue, each additional 20.0 sq cm or less | Procedure | 11046 |
26 | Less often than most peers in General Surgery |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
23 | More often than most peers in General Surgery |
| Removal of central venous tube with port or pump | Procedure | 36590 |
22 | More than most peers in General Surgery |
| Insertion of stomach tube using a flexible endoscope | Procedure | 43246 |
17 | More often than most peers in General Surgery |
| Removal of muscle and/or tissue, 20.0 sq cm or less | Procedure | 11043 |
13 | Less often than most peers in General Surgery |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
55 | More often than most peers in General Surgery |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
24 | 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 |
662 | More 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 |
126 | More 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.
Trained at University of California, Geffen 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 1996 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of non-tunneled central venous tube for infusion (5 years or older) 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Oh specialize in?
Dr. Oh is a general surgeon in Montclair, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Where is Dr. Oh located?
Dr. Oh is listed at 4950 San Bernardino St Ste 202, Montclair, CA 91763. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Oh's phone number?
The number on file is (909) 621-7647. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Oh's NPI number?
Dr. Oh's National Provider Identifier is 1154401354. 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
Where did Dr. Oh go to medical school?
Dr. Oh attended University of California, Geffen School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Oh been practicing?
Dr. Oh has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Oh do most often?
According to Medicare billing data, Dr. Oh performs procedures including insertion of non-tunneled central venous tube for infusion, removal of muscle and/or tissue, each additional 20.0 sq cm or less and insertion of central venous tube with port; reads or performs imaging such as ultrasonic guidance for blood vessel access and fluoroscopic guidance for insertion or removal of central vein access device, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Oh confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oh. If this is you, claiming it is free.
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