Stephanie Mason, RPA-C
NPI 1700126018 · Physician Assistant · East Setauket, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Mason, RPA-C is a Physician Assistant provider in East Setauket, NY (NPI 1700126018).
Provider details
- NPI number
- 1700126018
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RPA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 016412 (NY)
Specialties & taxonomies
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
13 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
182 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 | 75 | $128 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 39 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $91 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 26 | $14 |
| Electronic Assessment of Bladder Emptying51741 | 13 | $15 |
Typical Medicare-allowed amounts for these services range $14–$128 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 373 | 139 |
| Finasteride | 245 | 94 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 86 | 37 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 86 | 74 |
| Mirabegronbrand: Myrbetriq | 59 | 24 |
| Silodosin | 44 | 16 |
| Dutasteride | 33 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$298 across 13 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)
- 259 1st StMineola, NY 11501-3957Phone: (516) 663-0333
Registry dates
- Enumerated
- 2013-02-22
- Last updated
- 2019-06-20
Frequently asked questions
- What is Stephanie Mason's NPI number?
- Stephanie Mason's National Provider Identifier (NPI) is 1700126018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Mason's specialty?
- Stephanie Mason is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Mason located?
- Stephanie Mason's practice location on file with NPPES is 24 Research Way Ste 500, East Setauket, NY 11733-3470.
- What is Stephanie Mason's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Mason is (631) 444-6270.
- Does Stephanie Mason accept Medicare?
- Stephanie Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Mason's NPI active?
- Yes — Stephanie Mason's NPI (1700126018) is active in the NPPES registry as of the last update on 2019-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.