TERESA L LAMASTERS (M.D.) – Surgery Physician, NPI 1225074222
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
377 GENERAL SURGERY in IA
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Provider Addresses for TERESA L LAMASTERS (M.D.)
SA Office Building, 6600, Westown Parkway, West Lakes Office Park, West Des Moines, Dallas County, Iowa, 50266, United States
STE 220
WEST DES MOINES, IA 502667707
Phone: (515) 241-2250
Fax: (515) 241-2265
Type: Mailing
4201 CORPORATE DR STE 100
WEST DES MOINES, IA 502665906
Phone: (515) 421-9355
Fax: (515) 329-6799
Type: Mailing
5901 WESTOWN PKWY STE 260
WEST DES MOINES, IA 502668207
Phone: (515) 421-9355
Fax: (833) 760-3763
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 52 Open Payments records for all available years, with a total value of $42,050.
Total Amount is formed as General ($42,050) + Research ($0) + Ownership ($0) = $42,050.
Last reported payment date: 2024-11-26 • Largest payer in this snapshot: Novo Nordisk Inc ($28,861).
Total Amount
$42,050
General + Research + Ownership
Payments
52
Total payment records
General Amount
$42,050
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $28,861 |
| W. L. Gore & Associates, Inc. | $8,815 |
| Medical Device Business Services, Inc. | $2,273 |
| Intuitive Surgical, Inc. | $1,369 |
| Medtronic, Inc. | $653 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-09-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070912000023 | I | General Surgery | IA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 16 | 14 | $0 |
Insurance plans in this area (ZIP 50266)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GENERAL SURGERY | IA | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 21 | 21 |
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