Sydney Nielsen, FNP-C
NPI 1609511872 · Family Nurse Practitioner · Show Low, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Nielsen, FNP-C is a Family Nurse Practitioner provider in Show Low, AZ (NPI 1609511872).
Provider details
- NPI number
- 1609511872
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- RN205173 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
521 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 283 | $74 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 69 | $92 |
| Detection Test By Multiplex Amplified Probe Technique for Severe Acute Respiratory Syndrome Coronavirus 2 (sars-Cov-2) (covid-19) and Influenza Virus Types a and B87636 | 61 | $138 |
| Urinalysis, Manual Test81002 | 49 | $3 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 27 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 104 | 100 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 58 | 57 |
| Azithromycin | 37 | 37 |
| Cephalexin | 34 | 34 |
| Cefdinir | 33 | 31 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 23 | 22 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 23 | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-05-03
- Last updated
- 2022-08-12
- Certified
- 2022-08-12
Frequently asked questions
- What is Sydney Nielsen's NPI number?
- Sydney Nielsen's National Provider Identifier (NPI) is 1609511872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Nielsen's specialty?
- Sydney Nielsen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sydney Nielsen located?
- Sydney Nielsen's practice location on file with NPPES is 4951 S White Mountain Rd, Show Low, AZ 85901-7827.
- What is Sydney Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Sydney Nielsen is (928) 537-4375.
- Does Sydney Nielsen accept Medicare?
- Sydney Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Nielsen's NPI active?
- Yes — Sydney Nielsen's NPI (1609511872) is active in the NPPES registry as of the last update on 2022-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.