Diane St. Pierre, P.A.
NPI 1205860756 · Medical Physician Assistant · Danbury, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane St. Pierre, P.A. is a Medical Physician Assistant provider in Danbury, CT (NPI 1205860756).
Provider details
- NPI number
- 1205860756
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
- License
- 001051 (CT)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
616 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 | 172 | $118 |
| Automated Urinalysis Test81003 | 151 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $83 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 78 | $13 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 35 | $117 |
| Simple Insertion of Temporary Bladder Tube51702 | 21 | $58 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 476 | 224 |
| Finasteride | 195 | 77 |
| Mirabegronbrand: Myrbetriq | 161 | 50 |
| Cephalexin | 89 | 60 |
| Vibegronbrand: Gemtesa | 89 | 29 |
| Trospium Chloride | 70 | 31 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 55 | 48 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$286 across 12 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
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2023-03-07
Frequently asked questions
- What is Diane St. Pierre's NPI number?
- Diane St. Pierre's National Provider Identifier (NPI) is 1205860756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane St. Pierre's specialty?
- Diane St. Pierre is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane St. Pierre located?
- Diane St. Pierre's practice location on file with NPPES is 51-53 Kenosia Ave, Danbury, CT 03681.
- What is Diane St. Pierre's phone number?
- The practice phone number listed in the NPPES registry for Diane St. Pierre is (203) 748-0330.
- Does Diane St. Pierre accept Medicare?
- Diane St. Pierre is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane St. Pierre's NPI active?
- Yes — Diane St. Pierre's NPI (1205860756) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.