Physician Profile
Teresa L. Lamasters, M.D.
Verified ProfileAt a glance
- 5901 Westown Pkwy Ste 260, West Des Moines, IA 50266
About Dr. Lamasters
Dr. LaMasters received her medical degree from the University of South Dakota School of Medicine in 2001. She completed her residency in General Surgery at the University of Kansas School of Medicine – Wichita in 2006. She then went on to complete advanced training with a fellowship in Minimally Invasive Surgery with an emphasis in Bariatric and Robotic Surgery in 2007 at Stanford University in California. She was one of the first surgeons to earn recognition from the American Board of surgery as a specialist in Metabolic Bariatric Surgery with a focused practice designation (DABS-FPMBS). She has additional expertise in medical management of obesity since 2011, completed her Board Certification in Obesity Medicine, and obtained her DABOM in 2019.
She has led a very busy, successful practice with high quality outcomes and has performed over 4000 bariatric surgeries in the past 18 years. She was the Medical Director of Bariatric Surgery at UnityPoint Clinic Weight Loss Specialists in West Des Moines, Iowa and Iowa Methodist Medical Center an MBSAQIP Comprehensive Accredited Center for 17 years. She is also a Clinical Adjunct Faculty Associate Professor at the University of Iowa teaching residents for surgery, internal medicine, family medicine, and medical students.
With a strong focus on a team-based approach, Dr. LaMasters is dedicated to each patient’s success. Dr. LaMasters is not only a world renowned Bariatric Surgeon, but she is also a recognized and sought after invited expert speaker for surgical and medical treatment of the disease of obesity both in the USA and Internationally.
Dr. LaMasters currently serves as Senior Past President 2022-2023 for American Society for Metabolic and Bariatric Surgery (ASMBS). This is the premier organization for bariatric surgery in the world. She is a Past President of the Iowa State Chapter of the ASMBS. She also serves as an Associate Editor for the journal Surgery of Obesity and Related Disease (SOARD) the official journal of ASMBS.
She serves as co-chair for the Standards and Verification committee, Vice Chair of CMBS, and on the Adjudication committee for the MBSAQIP with the American College of Surgeons. She also serves as a site surveyor and coach for other surgeons and programs across the country in quality improvement.
Education & Training
Areas of Expertise
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
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Primary practice hours Published as structured openingHours data, which assistants read directly. Helps you appear for: "is there a doctor open on Saturday?"
Primary practice · 5901 WESTOWN PKWY STE 260, West Des Moines, IA 50266
- Mon8:30 AM – 4:30 PM
- Tue8:30 AM – 4:30 PM
- Wed8:30 AM – 4:30 PM
- Thu8:30 AM – 4:30 PM
- Fri8:30 AM – 3:30 PM
Practice Locations
5901 WESTOWN PKWY STE 260
West Des Moines, IA 50266
- Mon8:30 AM – 4:30 PM
- Tue8:30 AM – 4:30 PM
- Wed8:30 AM – 4:30 PM
- Thu8:30 AM – 4:30 PM
- Fri8:30 AM – 3:30 PM
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Research & Publications
Publications are supplied by the provider, not matched automatically from bibliographic databases. Why
Conditions & Services
Conditions Commonly Evaluated or Treated
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location.
Conditions
Most searched conditions
Breast conditions
Cancer
- Colon cancer
- Esophageal cancer
- Liver cancer
- Neuroendocrine Tumors
- Pancreatic cancer
- Soft-tissue sarcoma
- Stomach cancer
- Thyroid cancer
Colorectal
Digestive
- Abdominal adhesions
- Acid reflux
- Acute pancreatitis
- Bowel obstruction
- Colon polyps
- Diverticulitis
- Gastroparesis
- Peptic ulcer disease
Digestive & blood
Digestive health
- Crohn's disease
- Fecal incontinence
- Perforated bowel
- Severe chronic constipation
- Swallowing difficulties
- Ulcerative colitis
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Procedures & services
Endocrine
Vascular
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
Diagnostic
Digestive
Digestive health
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
Vascular & cancer
Weight loss
Wound care
Procedures Most Often Billed to Medicare
14 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
14 | Less often than most peers in 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 22 related providers in 3 groups
Other general surgeons in West Des Moines 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Teresa LaMasters's Specialty?
Dr LaMasters specializes in minimally-invasive bariatric surgery. She also performs advanced foregut and esophageal procedures.
Answered by the provider
What are some of Teresa LaMasters's credentials?
MD, FACS, FASMBS, DABOM, DABS-FPMBS. Bariatric Surgeon, Obesity Medicine Specialist. Clinical Associate Professor University of Iowa. Over 4000 surgeries performed. Past President of the internationally respected association, ASMBS. Medical degree from University of South Dakota. General surgery residency at University of Kansas. Advanced training with a Fellowship at Stanford. Associate editor of the journal Surgery of Obesity and Related Disease (SOARD).
Answered by the provider
What is Teresa L. Lamasters's specialty?
Teresa L. Lamasters is a general surgeon in West Des Moines, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where can I find Teresa L. Lamasters?
Teresa L. Lamasters is listed at 5901 Westown Pkwy Ste 260, West Des Moines, IA 50266. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Teresa L. Lamasters?
The number on file is (515) 421-9355. You can also reach them through their website. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Teresa L. Lamasters's NPI number?
Teresa L. Lamasters's National Provider Identifier is 1225074222. 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 Teresa L. Lamasters's education?
Teresa L. Lamasters attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Teresa L. Lamasters been practicing?
Teresa L. Lamasters has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Teresa L. Lamasters known for?
According to Medicare billing data, Teresa L. Lamasters the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
When is Teresa L. Lamasters open?
Listed hours at Primary practice: Mon 8:30 AM – 4:30 PM, Tue 8:30 AM – 4:30 PM, Wed 8:30 AM – 4:30 PM, Thu 8:30 AM – 4:30 PM, Fri 8:30 AM – 3:30 PM.
Answered by the provider
Has Teresa L. Lamasters confirmed this information?
Yes. Teresa L. Lamasters confirmed this profile is theirs and maintains it. Guide.md matches the email address used against the public record and proves it by a link sent to that address; where an address cannot be matched, a government-issued ID is verified through Stripe instead. Verification confirms who controls the page — it is not a statement about clinical quality, and it does not certify current licensure or board status.
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