Pei Hui, MD
NPI 1538141882 · Anatomic Pathology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Pei Hui, MD is a Anatomic Pathology Physician provider in New Haven, CT (NPI 1538141882).
Provider details
- NPI number
- 1538141882
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 039621 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
486 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 120 | $37 |
| Microscopic Genetic Analysis of Tissue, Manual, Each Additional Multiplex Stain Procedure88377 | 81 | $63 |
| Interpretation and Report of Genetic Testing88291 | 63 | $35 |
| Molecular Pathology Procedure; Physician Interpretation and ReportG0452 | 62 | $46 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 58 | $28 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 43 | $81 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-14
- Last updated
- 2008-07-08
Frequently asked questions
- What is Pei Hui's NPI number?
- Pei Hui's National Provider Identifier (NPI) is 1538141882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Pei Hui's specialty?
- Pei Hui is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Pei Hui located?
- Pei Hui's practice location on file with NPPES is 20 York St, New Haven, CT 06504-8900.
- What is Pei Hui's phone number?
- The practice phone number listed in the NPPES registry for Pei Hui is (203) 785-2788.
- Does Pei Hui accept Medicare?
- Pei Hui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Pei Hui's NPI active?
- Yes — Pei Hui's NPI (1538141882) is active in the NPPES registry as of the last update on 2008-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.