NPI Atlas

Mr. Merrith Roger Karl III, FNP-C

Family Nurse Practitioner in Humble, Texas. NPI 1669800546.

NPI1669800546

Registry record

NPI
1669800546
Profession
Nurse Practitioner (NP)
Specialty
Family Nurse Practitioner (363LF0000X)
Practice address
18951 N Memorial Dr
Humble, TX 77338
Phone
2815407999
In the registry since
October 31, 2013
Last NPPES update
September 17, 2024
Sole proprietor
No
License
AP124663 (TX)

At this location

22 other providers in our data list 18951 N Memorial Dr, Humble as a practice address:

In context

The NPI number of Merrith Karl is 1669800546. They are a Family Nurse Practitioner in Humble, Texas.

Merrith Karl is one of 128 Family Nurse Practitioners in Humble and one of 22,499 across Texas in our data.

The NPI has been in the federal registry for 12 years, since October 31, 2013.

Frequently asked questions

What is NPI 1669800546?

NPI 1669800546 is the 10-digit National Provider Identifier assigned to Merrith Karl, a Family Nurse Practitioner practicing in Humble, Texas. The record has been in the NPPES registry since October 31, 2013.

How do I verify this provider?

Cross-check NPI 1669800546 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP124663 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 17, 2024. 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.