Mary Steiner, FNP-C, PMHNP-C
NPI 1831557958 · Family Nurse Practitioner · Gilbert, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Steiner, FNP-C, PMHNP-C is a Family Nurse Practitioner provider in Gilbert, AZ (NPI 1831557958).
Provider details
- NPI number
- 1831557958
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C, PMHNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP8398 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
863 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 612 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 127 | $74 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 45 | $137 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 37 | $46 |
| Injection of Trigger Points, 1-2 Muscles20552 | 29 | $43 |
| Evaluation of Neuropsychological Test, First Hour96132 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 386 | 59 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 288 | 42 |
| Gabapentin | 219 | 53 |
| Pregabalin | 195 | 38 |
| Oxycodone Hcl | 169 | 24 |
| Tramadol Hcl | 148 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$590 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2711 S GordonMesa, AZ 85209-7349Phone: (480) 748-9823
Registry dates
- Enumerated
- 2016-02-03
- Last updated
- 2025-09-02
- Certified
- 2025-09-02
Frequently asked questions
- What is Mary Steiner's NPI number?
- Mary Steiner's National Provider Identifier (NPI) is 1831557958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Steiner's specialty?
- Mary Steiner is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Steiner located?
- Mary Steiner's practice location on file with NPPES is 201 W Guadalupe Rd Ste 302, Gilbert, AZ 85233-3333.
- What is Mary Steiner's phone number?
- The practice phone number listed in the NPPES registry for Mary Steiner is (480) 536-9473.
- Does Mary Steiner accept Medicare?
- Mary Steiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Steiner's NPI active?
- Yes — Mary Steiner's NPI (1831557958) is active in the NPPES registry as of the last update on 2025-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.