Gregory Rau, P.A.
NPI 1528006038 · Medical Physician Assistant · New Haven, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Rau, P.A. is a Medical Physician Assistant provider in New Haven, CT (NPI 1528006038).
Provider details
- NPI number
- 1528006038
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 001251 (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
20 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
1,784 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 339 | $78 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 334 | $6 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 298 | $53 |
| Biopsy of Related Skin Growth, First Growth11102 | 195 | $86 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 195 | $49 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 137 | 103 |
| Ketoconazole | 111 | 56 |
| Fluorouracil | 100 | 94 |
| Doxycycline Hyclate | 83 | 38 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 44 | 40 |
| Clobetasol Propionate | 43 | 34 |
| Metronidazole | 42 | 24 |
| Ciclopirox Olamine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$54,607 across 269 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
- 2006-06-04
- Last updated
- 2010-10-05
Frequently asked questions
- What is Gregory Rau's NPI number?
- Gregory Rau's National Provider Identifier (NPI) is 1528006038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Rau's specialty?
- Gregory Rau is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Rau located?
- Gregory Rau's practice location on file with NPPES is 134 Park St, New Haven, CT 06511-5409.
- What is Gregory Rau's phone number?
- The practice phone number listed in the NPPES registry for Gregory Rau is (203) 865-6143.
- Does Gregory Rau accept Medicare?
- Gregory Rau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Rau's NPI active?
- Yes — Gregory Rau's NPI (1528006038) is active in the NPPES registry as of the last update on 2010-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.