Registry record
- NPI
- 1477894186
- Profession
- Physician Assistant (PA)
- Specialty
- Physician Assistant (363A00000X)
- Practice address
- 6620 Main Street, 13th Floor
Houston, TX 77030 - Phone
- 7139866221
- In the registry since
- March 5, 2013
- Last NPPES update
- February 18, 2016
- Sole proprietor
- No
- License
- 2508 (OK)
At this location
One other provider in our data lists 6620 Main Street, Houston as a practice address:
- Lauren Jean Cozad, NP
Family Nurse Practitioner · NPI 1578803458
In context
The NPI number of Jeffrey Johnston is 1477894186. They are a Physician Assistant in Houston, Texas.
Jeffrey Johnston is one of 1,891 Physician Assistants in Houston and one of 11,405 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 13 years, since March 5, 2013.
Frequently asked questions
What is NPI 1477894186?
NPI 1477894186 is the 10-digit National Provider Identifier assigned to Jeffrey Johnston, a Physician Assistant practicing in Houston, Texas. The record has been in the NPPES registry since March 5, 2013.
How do I verify this provider?
Cross-check NPI 1477894186 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 2508 with the OK 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 February 18, 2016. 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.