NPI age
19 years
Enumerated 2006-10-06
● Active
Type 1 · Individual
MR. Marc Steven Simley, RDCS
Simley is 1 of 2 specialist/technologist cardiovascular providers in Amarillo and 1 of 65 in Texas.
Primary specialty
Specialist/Technologist Cardiovascular
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-07-08
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 65 active specialist/technologist cardiovascular providers in Texas.
NPI age
19 years
↑ 6 yr above median (13 yr)
State licenses
1 state
0% of peers hold multiple states
Subspecialties
0
26% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
6010 W Amarillo Blvd
Amarillo, TX 791061990
Mailing address
3707 Line Ave
Amarillo, TX 791066303
Specialties
-
Specialist/Technologist Cardiovascular PrimaryA cardiovascular sonography technologist operates special equipment to create images and conduct tests of the cardiovascular system. They work with physicians who view the images and test results to assess and diagnose medical conditions.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 | 102742 | RDCS |
Practice context
Part of a multi-provider practice. 250 other active providers share this practice address in NPPES.
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.