Tammye Willis, APRN, FNP-C
NPI 1598279788 · Family Nurse Practitioner · Tyler, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammye Willis, APRN, FNP-C is a Family Nurse Practitioner provider in Tyler, TX (NPI 1598279788).
Provider details
- NPI number
- 1598279788
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP135917 (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 tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
516 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 136 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $103 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 42 | $16 |
| Urinalysis, Manual Test81002 | 40 | $3 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 31 | $91 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 50 | 44 |
| Doxycycline Hyclate | 47 | 47 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 45 | 43 |
| Levothyroxine Sodium | 24 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 22 | 15 |
| Cyclobenzaprine Hcl | 21 | 18 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$248 across 13 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
- 2017-11-27
- Last updated
- 2024-03-04
- Certified
- 2024-03-04
Frequently asked questions
- What is Tammye Willis's NPI number?
- Tammye Willis's National Provider Identifier (NPI) is 1598279788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammye Willis's specialty?
- Tammye Willis is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammye Willis located?
- Tammye Willis's practice location on file with NPPES is 2210 Three Lakes Pkwy Ste 100, Tyler, TX 75703-0642.
- What is Tammye Willis's phone number?
- The practice phone number listed in the NPPES registry for Tammye Willis is (903) 747-4050.
- Does Tammye Willis accept Medicare?
- Tammye Willis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammye Willis's NPI active?
- Yes — Tammye Willis's NPI (1598279788) is active in the NPPES registry as of the last update on 2024-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.