Nancy Riley-Williams, FNP-BC
Family Nurse Practitioner · Green Valley, AZ
Nancy Riley-Williams, FNP-BC is a family nurse practitioner with a practice address in Green Valley, Arizona, and NPI 1790140945, issued on Dec 15, 2015. Check the license (Arizona AP8348, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Riley-Williams
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP8348 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1260 S Campbell Ave Bldg 2, Green Valley, AZ 85614
- Phone
- (520) 407-5600
- Enumerated
- Dec 15, 2015
- Record last updated
- Jan 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (520) 625-8504
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 1260 S Campbell Ave Bldg 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nancy Riley-Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AP8348Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average family nurse practitioner in 2024
653 Medicare Part D claims for 158 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium57 claims
- Atorvastatin Calcium49 claims
- Lisinopril44 claims
- Amlodipine Besylate40 claims
- Hydrochlorothiazide37 claims
- Simvastatin23 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.
Nancy Riley-Williams among 5,933 family nurse practitioner records in Arizona
Nancy Riley-Williams, FNP-BC is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 31% of them.
- NPI issued2015 · 31% of these records are older, 64% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2020 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 family nurse practitioner records list a practice address in Green Valley
They are 28 of the 307 NPPES records with a practice address in Green Valley, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Green Valley → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kimberly Burton, FNPGreen Valley, AZ 856141447699962
- Mary Fahey, NPGreen Valley, AZ 856141669422481
- Mary Francl, NPGreen Valley, AZ 856141053630871
- Jacqueline Gomez, NPGreen Valley, AZ 856141245655711
- Yulianna Inzunza, FNPGreen Valley, AZ 856141881080802
- Martha Lizarraga De Garza, FNPGreen Valley, AZ 856141366420648
- Andrew Lyons, FNP-BCGreen Valley, AZ 856141982001905
- Sylvia Nicholson, MSN, NP-CGreen Valley, AZ 856141962711648
Common questions
What is Nancy Riley-Williams, FNP-BC's NPI number?
Nancy Riley-Williams, FNP-BC's National Provider Identifier (NPI) is 1790140945, issued on Dec 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Riley-Williams, FNP-BC located?
The NPPES record lists a practice address at 1260 S Campbell Ave Bldg 2, Green Valley, AZ, 85614. Phone: (520) 407-5600. Providers update this record themselves, so call before visiting.
How can I verify Nancy Riley-Williams, FNP-BC's license?
NPPES lists Arizona license number AP8348, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Riley-Williams, FNP-BC prescribe under Medicare Part D?
In 2024, Nancy Riley-Williams, FNP-BC had 653 Medicare Part D claims for 158 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.
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.