Ji Dong Bai, MD
NPI 1902366230 · Anatomic Pathology Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ji Dong Bai, MD is a Anatomic Pathology Physician provider in Stony Brook, NY (NPI 1902366230).
Provider details
- NPI number
- 1902366230
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 315830 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 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
624 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) |
|---|---|---|
| Microscopic Genetic Analysis of Tumor, Manual88360 | 176 | $43 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 119 | $87 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 113 | $39 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 102 | $29 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 66 | $37 |
| Surgical Pathology Consultation and Report on Referred Slides Prepared Elsewhere88321 | 26 | $86 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 across 2 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
- 2019-03-22
- Last updated
- 2022-07-05
- Certified
- 2022-07-05
Frequently asked questions
- What is Ji Dong Bai's NPI number?
- Ji Dong Bai's National Provider Identifier (NPI) is 1902366230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ji Dong Bai's specialty?
- Ji Dong Bai is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ji Dong Bai located?
- Ji Dong Bai's practice location on file with NPPES is 101 Nicolls Rd, Level 2, Stony Brook, NY 11794-7025.
- What is Ji Dong Bai's phone number?
- The practice phone number listed in the NPPES registry for Ji Dong Bai is (631) 538-5856.
- Does Ji Dong Bai accept Medicare?
- Ji Dong Bai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ji Dong Bai's NPI active?
- Yes — Ji Dong Bai's NPI (1902366230) is active in the NPPES registry as of the last update on 2022-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.