Bonnie Stiffler, FNP-C
NPI 1164103941 · Family Nurse Practitioner · Keller, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bonnie Stiffler, FNP-C is a Family Nurse Practitioner provider in Keller, TX (NPI 1164103941).
Provider details
- NPI number
- 1164103941
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1126949 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 140 | 56 |
| Gabapentin | 103 | 47 |
| Methotrexate Sodiumbrand: Methotrexate | 48 | 24 |
| Alendronate Sodium | 47 | 21 |
| Tizanidine Hcl | 46 | 17 |
| Methocarbamol | 46 | 13 |
| Prednisone | 39 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,037 across 48 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-07-26
- Last updated
- 2024-04-17
- Certified
- 2024-04-17
Frequently asked questions
- What is Bonnie Stiffler's NPI number?
- Bonnie Stiffler's National Provider Identifier (NPI) is 1164103941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Stiffler's specialty?
- Bonnie Stiffler is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Bonnie Stiffler located?
- Bonnie Stiffler's practice location on file with NPPES is 801 Timberline Ct, Keller, TX 76248-3849.
- What is Bonnie Stiffler's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Stiffler is (801) 273-0100.
- Does Bonnie Stiffler accept Medicare?
- Bonnie Stiffler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bonnie Stiffler's NPI active?
- Yes — Bonnie Stiffler's NPI (1164103941) is active in the NPPES registry as of the last update on 2024-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.