NPI Atlas

Dr. Marlene Walden, RN, NNP-BC

Neonatal Nurse Practitioner in Houston, Texas. NPI 1871741504.

NPI1871741504

Registry record

NPI
1871741504
Profession
Nurse Practitioner (NP)
Specialty
Neonatal Nurse Practitioner (363LN0000X)
Practice address
6621 Fannin St
Houston, TX 77030
Phone
8328246468
In the registry since
September 6, 2008
Last NPPES update
September 6, 2008
Sole proprietor
Yes
License
242019 (TX)

At this location

193 other providers in our data list 6621 Fannin St, Houston as a practice address:

In context

The NPI number of Marlene Walden is 1871741504. They are a Neonatal Nurse Practitioner in Houston, Texas.

Marlene Walden is one of 133 Neonatal Nurse Practitioners in Houston and one of 695 across Texas in our data. Houston ranks #1 among Texas cities in our dataset, with 8,326 NP and PA providers.

The NPI has been in the federal registry for 17 years, since September 6, 2008.

Frequently asked questions

What is NPI 1871741504?

NPI 1871741504 is the 10-digit National Provider Identifier assigned to Marlene Walden, a Neonatal Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since September 6, 2008.

How do I verify this provider?

Cross-check NPI 1871741504 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 242019 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 September 6, 2008. 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.