NPPES file of Aug 9, 2026

Sydney Nicole Nielsen, FNP-C

Family Nurse Practitioner · Show Low, AZ

Sydney Nicole Nielsen, FNP-C is a family nurse practitioner with a practice address in Show Low, Arizona, and NPI 1609511872, issued on May 3, 2022. Check the license (Arizona 279170, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609511872
Name
Sydney Nicole Nielsen
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
279170 AZ
RN205173 AZ
Self-reported in NPPES; status is on the state search
Practice location
4951 S White Mountain RD Bldg A, Show Low, AZ 85901
Phone
(928) 532-3926
Enumerated
May 3, 2022
Record last updated
Aug 6, 2026
Fax
(928) 532-2144
Medicare enrollment
Enrolled (PECOS I20220919001650); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4951 S White Mountain RD Bldg A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Chase Adams, DOFamily Medicine Physician1437847621
  2. Keith Amaral, MDPediatrics Physician1417416496
  3. Matthew BelsheFamily Medicine Physician1821435579
  4. Curtis Birdno, PA-CMedical Physician Assistant1063740884
  5. Geoffrey Boyer, DOSurgery Physician1225667033
  6. Michael Boyle, M.D.Surgery Physician1245294552

Verify Sydney Nicole Nielsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 279170    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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64% fewer Medicare Part D claims than the average family nurse practitioner in 2024

471 Medicare Part D claims for 339 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Sydney Nielsen471
  2. Specialty average1,305

Most prescribed

  1. Prednisone104 claims
  2. Amoxicillin-Clavulanate Potass58 claims
  3. Azithromycin37 claims
  4. Cephalexin34 claims
  5. Cefdinir33 claims
  6. Paxlovid23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Summit Healthcare Medical AssociatesShow Low, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

32 family nurse practitioner records list a practice address in Show Low

They are 32 of the 382 NPPES records with a practice address in Show Low, and 5,933 family nurse practitioner records in Arizona.

All 32 in Show Low → All 5,933 in Arizona → Every provider in Show Low →

Other family nurse practitioner records in Arizona

  1. Sharla Abalos, NPTucson, AZ1356017677
  2. Kristian Abarca, DNP, FNPWillcox, AZ1710587019
  3. Rosa Abarca, FNP-BC, FNP-CYuma, AZ1023716149
  4. Jessica AbawiChandler, AZ1952943235
  5. Dorothy AbbeyPhoenix, AZ1194535336
  6. Brady AbbottTaylor, AZ1295669331
  7. Mannal Abdalla, FNP, RN, CSAPhoenix, AZ1598258014
  8. Abdirahman AbdiScottsdale, AZ1497405229
  9. Dahab Abdukkaliq, FNPChandler, AZ1780190108
  10. Alyssa Abegg-Garcia, ARNPGilbert, AZ1578081980

Common questions

What is Sydney Nicole Nielsen, FNP-C's NPI number?

Sydney Nicole Nielsen, FNP-C's National Provider Identifier (NPI) is 1609511872, issued on May 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Sydney Nicole Nielsen, FNP-C located?

The NPPES record lists a practice address at 4951 S White Mountain RD Bldg A, Show Low, AZ, 85901. Phone: (928) 532-3926. Providers update this record themselves, so call before visiting.

How can I verify Sydney Nicole Nielsen, FNP-C's license?

NPPES lists Arizona license number 279170, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Sydney Nicole Nielsen, FNP-C prescribe under Medicare Part D?

In 2024, Sydney Nicole Nielsen, FNP-C had 471 Medicare Part D claims for 339 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.