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TERESA L LAMASTERS M.D.
NPI 1225074222
Surgery in West Des Moines, IA

Active since June 20, 2006PECOS EnrolledAccepts Medicare Assignment
5901 WESTOWN PKWY STE 260, WEST DES MOINES, IA 50266(515) 421-9355(833) 760-3763 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 15, 2025, Feb 10, 2025 (2 updates tracked since 2025).

About Teresa L Lamasters M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TERESA L LAMASTERS M.D. (NPI 1225074222) is an individual surgery provider in West Des Moines, Iowa, licensed in Iowa (37232) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Monroe County Hospital, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1225074222
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameTERESA L LAMASTERSCredential: M.D.
Location Address5901 WESTOWN PKWY STE 260West Des Moines, IA 50266-8207
Mailing Address5901 Westown Pkwy Ste 260West Des Moines, IA 50266-8207 · (515) 421-9355 · Fax (833) 760-3763
Phone(515) 421-9355
Fax(833) 760-3763
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateJune 20, 2006
Last NPPES UpdateDecember 15, 20252 updates tracked since enumeration
NPPES CertifiedDecember 15, 2025
✔ NPI 1225074222 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in IA · 37232✔ Licensed in CA · A95114
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
5901 WESTOWN PKWY STE 260, West Des Moines, IA 50266
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Other Identifiers 1

Medicaid1225074222IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Teresa L Lamasters M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860498557
PECOS Enrollment IDI20070912000023
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Teresa Lamasters reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Weight Loss & Wellness Center Of Iowa, PLLC
Same address
Surgery
5901 WESTOWN PKWY STE 260
West Des Moines, IA 50266
  • Reassigned Medicare billing, Iowa enrollment
NPI 1740094143 (515) 421-9355
Iowa Physicians Clinic Medical Foundation
0.2 mi
General Practice
1776 W LAKES PKWY STE 400
West Des Moines, IA 50266
  • Reassigned Medicare billing, Iowa enrollment
  • 1,506 clinicians in this Medicare group
NPI 1366425274 (515) 471-9300
Pella Regional Health Center
45 mi
Rehabilitation
2525 WASHINGTON ST
Pella, IA 50219
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1578520888 (Iowa)
  • 129 clinicians in this Medicare group
NPI 1548923253 (641) 628-6728
Monroe County Hospital
64 mi
Critical Access
6580 165TH ST
Albia, IA 52531
  • Reassigned Medicare billing, Iowa enrollment
  • Also billed through NPI 1730274424 (Iowa)
  • 51 clinicians in this Medicare group
NPI 1205895299 (641) 932-2134
Davis County Hospital
93 mi
Specialist
509 N MADISON ST
Bloomfield, IA 52537
  • Reassigned Medicare billing, Iowa enrollment
  • 70 clinicians in this Medicare group
NPI 1487740486 (641) 664-2145

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
14 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Monroe County Hospital

Critical Access Hospitals · Albia, IA
OwnershipGovernment - Local
CMS Certification Number161342
Location6580 165th StreetAlbia, IA 52531 · Monroe County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50266 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WEIGHT LOSS & WELLNESS CENTER OF IOWA, PLLC
Surgery
5901 WESTOWN PKWY STE 260
WEST DES MOINES, IA 50266
Dallas County (515) 421-9355

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Teresa Lamasters's NPI number?

The NPI number for Teresa Lamasters is 1225074222. It was assigned to this individual provider in the NPPES registry on June 20, 2006.

Where is Teresa Lamasters located?

Teresa Lamasters practices at 5901 Westown Pkwy Ste 260, West Des Moines, IA 50266. The listed phone number is (515) 421-9355.

What is Teresa Lamasters's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Teresa Lamasters enrolled in Medicare?

Yes. Teresa Lamasters is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Teresa Lamasters's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Teresa Lamasters reassigns Medicare benefits to 5 organizations: Weight Loss & Wellness Center Of Iowa, PLLC (West Des Moines, IA), Iowa Physicians Clinic Medical Foundation (West Des Moines, IA), Pella Regional Health Center (Pella, IA), Monroe County Hospital (Albia, IA) and Davis County Hospital (Bloomfield, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Teresa Lamasters's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Teresa Lamasters accept?

Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Teresa Lamasters as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Teresa Lamasters affiliated with any hospitals?

According to CMS data, Teresa Lamasters is affiliated with Monroe County Hospital.

When was this NPI record last updated?

The NPPES record for Teresa Lamasters was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.