Tina Grinsteiner, APRN-RNP
Family Nurse Practitioner · Peoria, AZ
Tina Grinsteiner, APRN-RNP is a family nurse practitioner with a practice address in Peoria, Arizona, and NPI 1104403708, issued on Mar 28, 2021. Check the license (Arizona 255720, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tina Grinsteiner
- Credential
- APRN-RNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 255720 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9559 W Pinnacle Vista Dr, Peoria, AZ 85383
- Phone
- (623) 980-2844
- Enumerated
- Mar 28, 2021
- Record last updated
- Aug 23, 2023
- Medicare enrollment
- Enrolled (PECOS I20250131000270); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 9559 W Pinnacle Vista Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Derrick, PTPhysical Therapist1205977014
Verify Tina Grinsteiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 255720Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average family nurse practitioner in 2024
1,595 Medicare Part D claims for 445 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 42 claims were for opioids.
Most prescribed
- Prednisone121 claims
- Amoxicillin-Clavulanate Potass78 claims
- Azelastine Hcl61 claims
- Nitrofurantoin Mono-Macro61 claims
- Albuterol Sulfate Hfa59 claims
- Lisinopril59 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 2 group practices
- Dhhs Ihs Phoenix AreaPeach Springs, AZ
- Dhhs Phs Ihs Phoenix AreaWinterhaven, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tina Grinsteiner among 5,933 family nurse practitioner records in Arizona
Tina Grinsteiner, APRN-RNP 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 2021, is newer than 66% of them.
- NPI issued2021 · 66% of these records are older, 27% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2020 · median 2019 among the 3,510 with a school on file
- Record last updated2023 · 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).
162 family nurse practitioner records list a practice address in Peoria
They are 162 of the 2,528 NPPES records with a practice address in Peoria, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Peoria → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ferdinand Briones, MSN,FNP-CPeoria, AZ 853831881173318
- Laura Campbell, FNPPeoria, AZ 853831114476520
- Jill Dierks, FNPPeoria, AZ 853831609303379
- Maria Teresa Espiritu, NP-CPeoria, AZ 853831336702414
- Andrea FarrisPeoria, AZ 853831164908414
- Shawnee Fudurich, FNP-CPeoria, AZ 853831861057507
- Razel Hernandez, NP-CPeoria, AZ 853831265096895
- Christina Johnson, FNP-CPeoria, AZ 853831376858746
Common questions
What is Tina Grinsteiner, APRN-RNP's NPI number?
Tina Grinsteiner, APRN-RNP's National Provider Identifier (NPI) is 1104403708, issued on Mar 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Tina Grinsteiner, APRN-RNP located?
The NPPES record lists a practice address at 9559 W Pinnacle Vista Dr, Peoria, AZ, 85383. Phone: (623) 980-2844. Providers update this record themselves, so call before visiting.
How can I verify Tina Grinsteiner, APRN-RNP's license?
NPPES lists Arizona license number 255720, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Tina Grinsteiner, APRN-RNP prescribe under Medicare Part D?
In 2024, Tina Grinsteiner, APRN-RNP had 1,595 Medicare Part D claims for 445 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.