Peter Yi, M.D.
NPI 1457499618 · Hematology & Oncology Physician · Princeton, NJ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Yi, M.D. is a Hematology & Oncology Physician provider in Princeton, NJ (NPI 1457499618).
Provider details
- NPI number
- 1457499618
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA05176900 (NJ)
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
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
8,305 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,115 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,090 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,000 | $139 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 985 | $16 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 981 | $10 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 713 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 285 | 86 |
| Palbociclibbrand: Ibrance | 102 | — |
| Anastrozole | 88 | 31 |
| Levothyroxine Sodium | 57 | 17 |
| Prednisone | 43 | 11 |
| Lorazepam | 43 | 13 |
| Fulvestrant | 42 | — |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 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
- 2007-02-01
- Last updated
- 2015-01-12
Frequently asked questions
- What is Peter Yi's NPI number?
- Peter Yi's National Provider Identifier (NPI) is 1457499618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Yi's specialty?
- Peter Yi is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Yi located?
- Peter Yi's practice location on file with NPPES is 419 N Harrison St, Princeton, NJ 08540-3521.
- What is Peter Yi's phone number?
- The practice phone number listed in the NPPES registry for Peter Yi is (609) 924-9300.
- Does Peter Yi accept Medicare?
- Peter Yi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Yi's NPI active?
- Yes — Peter Yi's NPI (1457499618) is active in the NPPES registry as of the last update on 2015-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.