Christina Yeon, M.D.
NPI 1235186354 · Hematology & Oncology Physician · South Pasadena, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Yeon, M.D. is a Hematology & Oncology Physician provider in South Pasadena, CA (NPI 1235186354).
Provider details
- NPI number
- 1235186354
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A72171 (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
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
1,447 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 351 | $141 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 236 | $18 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 200 | $18 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 146 | $152 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 83 | $15 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 80 | 28 |
| Letrozole | 65 | 20 |
| Gabapentin | 44 | 12 |
| Ondansetron Hcl | 39 | 20 |
| Tamoxifen Citrate | 31 | 12 |
| Prochlorperazine Maleate | 25 | 18 |
| Exemestane | 20 | — |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45 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
- 2006-05-27
- Last updated
- 2020-11-25
- Certified
- 2020-11-25
Frequently asked questions
- What is Christina Yeon's NPI number?
- Christina Yeon's National Provider Identifier (NPI) is 1235186354, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Yeon's specialty?
- Christina Yeon is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Christina Yeon located?
- Christina Yeon's practice location on file with NPPES is 209 Fair Oaks Ave, South Pasadena, CA 91030-1814.
- What is Christina Yeon's phone number?
- The practice phone number listed in the NPPES registry for Christina Yeon is (626) 396-2900.
- Does Christina Yeon accept Medicare?
- Christina Yeon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Yeon's NPI active?
- Yes — Christina Yeon's NPI (1235186354) is active in the NPPES registry as of the last update on 2020-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.