NPI Atlas

Marilyn Jane Kostelnik, A.R.N.P.

Nurse Practitioner in Corpus Christi, Texas. NPI 1508818105.

NPI1508818105

Registry record

NPI
1508818105
Profession
Nurse Practitioner (NP)
Specialty
Nurse Practitioner (363L00000X)
Practice address
6300 Ocean Dr, Unit 5715
Corpus Christi, TX 78412
In the registry since
May 16, 2006
Last NPPES update
June 10, 2009
Sole proprietor
No
License
668490 (TX)

At this location

6 other providers in our data list 6300 Ocean Dr, Corpus Christi as a practice address:

In context

The NPI number of Marilyn Kostelnik is 1508818105. They are a Nurse Practitioner in Corpus Christi, Texas.

Marilyn Kostelnik is one of 126 Nurse Practitioners in Corpus Christi and one of 6,739 across Texas in our data. Corpus Christi ranks #9 among Texas cities in our dataset, with 737 NP and PA providers.

The NPI has been in the federal registry for 20 years, since May 16, 2006.

Frequently asked questions

What is NPI 1508818105?

NPI 1508818105 is the 10-digit National Provider Identifier assigned to Marilyn Kostelnik, a Nurse Practitioner practicing in Corpus Christi, Texas. The record has been in the NPPES registry since May 16, 2006.

How do I verify this provider?

Cross-check NPI 1508818105 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 668490 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 June 10, 2009. 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.