Tiffany Simpson-Vassall, NP
Obstetrics & Gynecology Nurse Practitioner · Laveen, AZ
Tiffany Simpson-Vassall, NP is an obstetrics & gynecology nurse practitioner with a practice address in Laveen, Arizona, and NPI 1700846599, issued on Mar 24, 2006. Check the license (Arizona AP1935, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tiffany Simpson-Vassall
- Credential
- NP
- Primary taxonomy
- Obstetrics & Gynecology Nurse Practitioner 363LX0001X
- License numbers
- AP1935 AZ
RN109710 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 17487 S Healthcare Dr, Laveen, AZ 85339
- Phone
- (520) 550-6000
- Enumerated
- Mar 24, 2006
- Record last updated
- Nov 24, 2025
- Fax
- (520) 550-6027
- Medicaid ID
- 863648 AZ
- Medicare enrollment
- Enrolled (PECOS I20251205004100); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology nurse practitioner records → All 90 in Arizona → Look up another NPI →
Also registered at 17487 S Healthcare Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Austin Eyring, DMDDentist1780513143
- Han Hoac, DMDDentist1437718194
- Caitlin Kurz, DMDGeneral Practice Dentistry1164263364
- Fatima Lah, FNPFamily Nurse Practitioner1477053338
Verify Tiffany Simpson-Vassall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AP1935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average obstetrics & gynecology nurse practitioner in 2024
48 Medicare Part D claims for 14 beneficiaries, against an average of 198 among the 1,094 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of 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
- Gila River Health Care CorporationLaveen, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Simpson-Vassall among 90 obstetrics & gynecology nurse practitioner records in Arizona
Tiffany Simpson-Vassall, NP is one of 90 obstetrics & gynecology nurse practitioner records with a practice address in Arizona. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 64% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated2004 · median 2010 among the 27 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Nurse Practitioner providers in Arizona
There are 90 obstetrics & gynecology nurse practitioner records in Arizona.
All 90 in Arizona → Every provider in Laveen → Obstetrics & Gynecology Nurse Practitioner nationwide →
The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes
- Renee Smith, DNP, NP-CParker, AZ 853441669189288
- Alejandrina Orpineda, NPSomerton, AZ 853501386795102
- Catherine Mattie, APNLuke Air Force Base, AZ 853091881682052
- Debbie McGonigle, W.H.C.N.PGlendale, AZ 853081669632360
- Jeanette Moore, NPGlendale, AZ 853061063599074
- Christin Hegreness, WHNPSurprise, AZ 853741891075909
- Eileen McCormick, WHNP-BCSurprise, AZ 853741871572438
- Shaunte Thomas, WHNP-BCSurprise, AZ 853741750770699
Common questions
What is Tiffany Simpson-Vassall, NP's NPI number?
Tiffany Simpson-Vassall, NP's National Provider Identifier (NPI) is 1700846599, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Simpson-Vassall, NP located?
The NPPES record lists a practice address at 17487 S Healthcare Dr, Laveen, AZ, 85339. Phone: (520) 550-6000. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Simpson-Vassall, NP's license?
NPPES lists Arizona license number AP1935, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Tiffany Simpson-Vassall, NP prescribe under Medicare Part D?
In 2024, Tiffany Simpson-Vassall, NP had 48 Medicare Part D claims for 14 beneficiaries; the average among obstetrics & gynecology nurse practitioner prescribers was 198. 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.