Tiffany Walker, NP
NPI 1730683319 · Adult Health Nurse Practitioner · Orange, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Walker, NP is a Adult Health Nurse Practitioner provider in Orange, CA (NPI 1730683319).
Provider details
- NPI number
- 1730683319
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- APRN002775 (NV)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
13 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 13 | $12 |
Typical Medicare-allowed amounts for these services range $12–$12 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 | 69 | 68 |
| Prednisone | 48 | 45 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 29 | 28 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 26 | 26 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 26 | 23 |
| Lisinopril | 26 | 24 |
| Nitrofurantoin Monohyd/M-Cryst |
Practice location
Mailing address
Additional practice locations (1)
- 7421 Margollini StLas Vegas, NV 89148-2670Phone: (702) 767-9346
Registry dates
- Enumerated
- 2018-03-20
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Tiffany Walker's NPI number?
- Tiffany Walker's National Provider Identifier (NPI) is 1730683319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Walker's specialty?
- Tiffany Walker is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tiffany Walker located?
- Tiffany Walker's practice location on file with NPPES is 1100 W Town and Country Rd Ste 1600, Orange, CA 92868-4698.
- What is Tiffany Walker's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Walker is (833) 402-5803.
- Does Tiffany Walker accept Medicare?
- Tiffany Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Walker's NPI active?
- Yes — Tiffany Walker's NPI (1730683319) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.