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Edit this profileAt a glance
- 167 Lynch Creek Way, Petaluma, CA 94954
About Dr. Barlas
Lance B. Barlas, M.D. is a healthcare provider in Petaluma, CA specializing in general surgery. Lance trained at University of California, Geffen School of Medicine, graduating in 1978. Lance is also listed as specializing in specialist. Medicare claims data shows Lance provided 52 services to 50 patients. The services billed most often include replacement of knee joint, both sides of knee and replacement of thigh bone and hip joint with prosthesis. This provider record is associated with NPI 1710980321.
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
- (707) 763-4453
- Email not available
Practice Locations
167 LYNCH CREEK WAY
Petaluma, CA 94954
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
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
Gastrointestinal
- Bowel obstruction
Hernia
- Diaphragmatic hernia
- Sports Hernia
- Strangulated Hernia
Infections
- Flesh-Eating Infection
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
- Lymph Node Biopsy
Breast surgery
- Axillary lymph-node dissection
- Excisional biopsy of a breast mass
- Mastectomy
- Sentinel lymph-node biopsy
Breast Surgery
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
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
52 services · 50 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
36 | More often than most peers in General Surgery |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
16 | 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 1
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 Petaluma 5
Same specialty, same city.
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 11 related providers in 2 groups
Class of 1978 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of knee joint, both sides of knee 3
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Lance B. Barlas?
Lance B. Barlas is a general surgeon in Petaluma, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
What is Lance B. Barlas's address?
Lance B. Barlas is listed at 167 Lynch Creek Way, Petaluma, CA 94954. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Lance B. Barlas?
The number on file is (707) 763-4453. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Lance B. Barlas?
Lance B. Barlas's National Provider Identifier is 1710980321. 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 Lance B. Barlas train?
Lance B. Barlas attended University of California, Geffen School of Medicine, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Lance B. Barlas have?
Lance B. Barlas has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What procedures does Lance B. Barlas perform?
According to Medicare billing data, Lance B. Barlas performs procedures including replacement of knee joint, both sides of knee and replacement of thigh bone and hip joint with prosthesis. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Lance B. Barlas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Lance B. Barlas. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.