Mary Elizabeth Steiner, FNP-C, PMHNP-C
Family Nurse Practitioner · Gilbert, AZ
Mary Elizabeth Steiner, FNP-C, PMHNP-C is a family nurse practitioner with a practice address in Gilbert, Arizona, and NPI 1831557958, issued on Feb 3, 2016. Check the license (Arizona AP8398, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Steiner
- Credential
- FNP-C, PMHNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP8398 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 201 W Guadalupe RD Ste 302, Gilbert, AZ 85233
- Phone
- (480) 536-9473
- Enumerated
- Feb 3, 2016
- Record last updated
- Sep 2, 2025
- Fax
- (480) 536-9744
- Medicare enrollment
- Enrolled (PECOS I20160308001553); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Verify Mary Elizabeth Steiner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license AP8398Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% more Medicare Part D claims than the average family nurse practitioner in 2024
2,354 Medicare Part D claims for 245 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 1,352 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen386 claims
- Oxycodone-Acetaminophen288 claims
- Gabapentin219 claims
- Pregabalin195 claims
- Oxycodone Hcl169 claims
- Tramadol Hcl148 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.
Industry payments in 2024: $590.26
20 payments; by number, the most common kind was food and beverage; the largest payer was Vertos Medical, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Arizona Spine And Pain Specialists LLCChandler, AZ
- Unchained-Gilbert LLCGilbert, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Elizabeth Steiner among 5,933 family nurse practitioner records in Arizona
Mary Elizabeth Steiner, FNP-C, PMHNP-C 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 2016, is newer than 36% of them.
- NPI issued2016 · 36% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · median 2019 among the 3,510 with a school on file
- Record last updated2025 · 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).
284 family nurse practitioner records list a practice address in Gilbert
They are 284 of the 5,802 NPPES records with a practice address in Gilbert, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Gilbert → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Meg Bergeson, NPGilbert, AZ 852331144452368
- Michele Bichko, CRNPGilbert, AZ 852331336475185
- Lokeswari BucchireddigariGilbert, AZ 852331538575253
- Michael Compton, FNP-C, D.C.Gilbert, AZ 852331427370782
- Wilma Egan, FNPGilbert, AZ 852331467883975
- Marie Houseal, FNPGilbert, AZ 852331720398969
- Valerie Jacovides, RN,MSN,FNP-CGilbert, AZ 852331396069357
- Heather Juniper, FNPGilbert, AZ 852331396159554
Common questions
What is Mary Elizabeth Steiner, FNP-C, PMHNP-C's NPI number?
Mary Elizabeth Steiner, FNP-C, PMHNP-C's National Provider Identifier (NPI) is 1831557958, issued on Feb 3, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Steiner, FNP-C, PMHNP-C located?
The NPPES record lists a practice address at 201 W Guadalupe RD Ste 302, Gilbert, AZ, 85233. Phone: (480) 536-9473. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Steiner, FNP-C, PMHNP-C's license?
NPPES lists Arizona license number AP8398, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Elizabeth Steiner, FNP-C, PMHNP-C prescribe under Medicare Part D?
In 2024, Mary Elizabeth Steiner, FNP-C, PMHNP-C had 2,354 Medicare Part D claims for 245 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.