NPI Atlas

Mrs. Mary Caroline Walker, NP-C

Family Nurse Practitioner in Amarillo, Texas. NPI 1003121062.

NPI1003121062

Registry record

NPI
1003121062
Profession
Nurse Practitioner (NP)
Specialty
Family Nurse Practitioner (363LF0000X)
Practice address
1501 S Coulter St
Amarillo, TX 79106
Phone
8063514152
In the registry since
August 15, 2010
Last NPPES update
August 15, 2010
Sole proprietor
No
License
255983 (TX)

At this location

9 other providers in our data list 1501 S Coulter St, Amarillo as a practice address:

In context

The NPI number of Mary Walker is 1003121062. They are a Family Nurse Practitioner in Amarillo, Texas.

Mary Walker is one of 303 Family Nurse Practitioners in Amarillo and one of 22,499 across Texas in our data. Amarillo ranks #17 among Texas cities in our dataset, with 520 NP and PA providers.

The NPI has been in the federal registry for 15 years, since August 15, 2010.

Frequently asked questions

What is NPI 1003121062?

NPI 1003121062 is the 10-digit National Provider Identifier assigned to Mary Walker, a Family Nurse Practitioner practicing in Amarillo, Texas. The record has been in the NPPES registry since August 15, 2010.

How do I verify this provider?

Cross-check NPI 1003121062 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 255983 with the TX licensing board. You can also run the number through our free NPI validator to confirm its checksum.

Is this information current?

This profile reflects the June 2026 NPPES data file. NPPES lists the record's last update as August 15, 2010. We refresh our data each month when CMS publishes a new file.

Data: NPPES public registry, June 2026 file. Not medical advice. Verify independently before care or credentialing decisions. Errors in the source record can be corrected at nppes.cms.hhs.gov; see our corrections page.