Vu Phan, MD
NPI 1831247667 · Hematology & Oncology Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vu Phan, MD is a Hematology & Oncology Physician provider in Los Alamitos, CA (NPI 1831247667).
Provider details
- NPI number
- 1831247667
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A070377 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4,012 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 | 807 | $138 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 651 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 580 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 384 | $98 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 303 | $32 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 212 | 74 |
| Letrozole | 178 | 46 |
| Apixabanbrand: Eliquis | 160 | 37 |
| Hydroxyurea | 73 | 18 |
| Ondansetron Hcl | 62 | 32 |
| Zoledronic Acid | 60 | 11 |
| Prednisone | 60 | 24 |
| Dexamethasone | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,596 across 277 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
- 2007-01-08
- Last updated
- 2025-05-19
- Certified
- 2025-05-15
Frequently asked questions
- What is Vu Phan's NPI number?
- Vu Phan's National Provider Identifier (NPI) is 1831247667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vu Phan's specialty?
- Vu Phan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Vu Phan located?
- Vu Phan's practice location on file with NPPES is 3822 Katella Ave Ste 200, Los Alamitos, CA 90720-3302.
- What is Vu Phan's phone number?
- The practice phone number listed in the NPPES registry for Vu Phan is (562) 735-0602.
- Does Vu Phan accept Medicare?
- Vu Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vu Phan's NPI active?
- Yes — Vu Phan's NPI (1831247667) is active in the NPPES registry as of the last update on 2025-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.