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Edit this profileAt a glance
- 2121 Santa Monica Blvd, Santa Monica, CA 90404
About Dr. Grumley
Janie Gia-Lin Weng Grumley, MD practices general surgery in Santa Monica, CA. Janie Gia-Lin Weng is a 2005 graduate of University of Southern California Keck School of Medicine. Janie Gia-Lin Weng is also listed as specializing in surgery. According to Medicare claims data, Janie Gia-Lin Weng cared for 573 Medicare patients across 656 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, x-ray of surgical specimen, and partial removal of breast. The provider's National Provider Identifier (NPI) is 1063616142.
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
- (310) 582-7100
- Email not available
Practice Locations
2121 SANTA MONICA BLVD
Santa Monica, CA 90404
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
656 services · 573 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of breast | Procedure | 19301 |
59 | More than most peers in General Surgery |
| Placement of radiation therapy device in breast for radiation therapy during surgery with partial removal of breast | Procedure | 19294 |
34 | Too few peers to compare |
| Repair for sagging of the breast | Procedure | 19316 |
29 | Too few peers to compare |
| Breast reduction | Procedure | 19318 |
17 | Too few peers to compare |
| Imaging of lymph nodes during surgery | Procedure | 38900 |
16 | As often as other peers in General Surgery |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
16 | As often as other peers in General Surgery |
| X-ray of surgical specimen | Imaging | 76098 |
67 | More than most peers in General Surgery |
| Ultrasonic guidance during surgery | Imaging | 76998 |
55 | More 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 |
271 | More than most peers in General Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
47 | More 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.
Other general surgeons at this location 1
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 Santa Monica 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of breast 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Grumley's specialty?
Dr. Grumley is a general surgeon in Santa Monica, 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 Dr. Grumley?
Dr. Grumley is listed at 2121 Santa Monica Blvd, Santa Monica, CA 90404. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grumley?
The number on file is (310) 582-7100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Grumley's NPI number?
Dr. Grumley's National Provider Identifier is 1063616142. 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. Grumley's medical education?
Dr. Grumley attended University of Southern California Keck School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grumley been practicing?
Dr. Grumley has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grumley known for?
According to Medicare billing data, Dr. Grumley performs procedures including partial removal of breast, placement of radiation therapy device in breast for radiation therapy during surgery with partial removal of breast and repair for sagging of the breast; reads or performs imaging such as x-ray of surgical specimen and ultrasonic guidance during surgery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grumley confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grumley. If this is you, claiming it is free.
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