NPI age
3 years
Enumerated 2022-08-02
● Active
Type 1 · Individual
MR. Casmir Cosmas Masega, AGACNP-AG
Masega is 1 of 15 nurse practitioner providers in Dallas and 1 of 140 in Texas.
Primary specialty
Nurse Practitioner
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2024-07-23
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 140 active nurse practitioner providers in Texas.
NPI age
3 years
↓ 2 yr below median (5 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
1
In the 45% of peers with subspecialties
NPI lifetime · 2022 → 2026
2022-08Enumerated in NPPES
2022
2026
Where they practice
Practice location
221 W Colorado Blvd Ste 525
Dallas, TX 752082312
Mailing address
5605 N MacArthur Blvd Ste 740
Irving, TX 750382626
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
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Nurse PractitionerDefinition to come...
Practice context
Part of a multi-provider practice. 106 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new nurse practitioner provider has been added in Dallas in the last 180 days.
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.