NPI age
19 years
Enumerated 2006-09-14
● Active
Type 1 · Individual
Cassandra Muff, F. N. P.
Muff is 1 of 7 nurse practitioner providers in Keller and 1 of 5264 in Texas.
Primary specialty
Nurse Practitioner
Plus 2 subspecialties
Licensed in
TX, KS
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-09-08
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 5264 active nurse practitioner providers in Texas.
NPI age
19 years
↑ 11 yr above median (8 yr)
State licenses
2 states
Top 93% — 6% of peers are multi-state
Subspecialties
0
37% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-09Enumerated in NPPES
2006
2026
Where they practice
Practice location
601 S Main St, Suite 200
Keller, TX 762487029
Mailing address
601 S Main St, Suite 200
Keller, TX 762487029
Additional practice locations
6 secondary locations on file with NPPES.
Location 2
4046 Dowlen Rd Ste A
Beaumont, TX 777066849
Location 3
1320 Wonder World Dr Ste 101
San Marcos, TX 786667558
Location 4
11823 Culebra Rd Ste 105
San Antonio, TX 782534563
Location 5
5638 Saratoga Blvd Ste 114
Corpus Christi, TX 784144134
Location 6
1339 S Broadway St
Sulphur Springs, TX 754824895
Location 7
919 Hidden Rdg Ste 1008
Irving, TX 750383813
Specialties
-
Nurse Practitioner Primary(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (KS) | 100403070B |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 15 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new nurse practitioner provider has been added in Keller 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.