Hailey Choi, M.D.
NPI 1386900249 · Radiation Oncology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hailey Choi, M.D. is a Radiation Oncology Physician provider in Palo Alto, CA (NPI 1386900249).
Provider details
- NPI number
- 1386900249
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A146707 (CA)
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
14 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
1,435 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) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 196 | $96 |
| Limited Ultrasound Scan of Abdomen76705 | 176 | $31 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 95 | $39 |
| X-Ray of Abdomen, 1 View74018 | 85 | $10 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 70 | $36 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 70 | $23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$80 across 1 record (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
- 2012-04-05
- Last updated
- 2017-06-30
Frequently asked questions
- What is Hailey Choi's NPI number?
- Hailey Choi's National Provider Identifier (NPI) is 1386900249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hailey Choi's specialty?
- Hailey Choi is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Hailey Choi located?
- Hailey Choi's practice location on file with NPPES is 300 Pasteur Dr Rm H1307, Palo Alto, CA 94304-2206.
- What is Hailey Choi's phone number?
- The practice phone number listed in the NPPES registry for Hailey Choi is (650) 723-8463.
- Does Hailey Choi accept Medicare?
- Hailey Choi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hailey Choi's NPI active?
- Yes — Hailey Choi's NPI (1386900249) is active in the NPPES registry as of the last update on 2017-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.