Nelly Tan, MD
NPI 1871756254 · Radiation Oncology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelly Tan, MD is a Radiation Oncology Physician provider in Los Angeles, CA (NPI 1871756254).
Provider details
- NPI number
- 1871756254
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- ME148615 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,564 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 359 | $82 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 207 | $261 |
| Mri Scan of Abdomen Before and After Contrast74183 | 185 | $99 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 162 | $79 |
| X-Ray of Abdomen, 1 View74018 | 100 | $8 |
| Mri Scan of Pelvis Before and After Contrast72197 | 85 |
Practice location
Mailing address
Additional practice locations (2)
- 5777 E Mayo BlvdPhoenix, AZ 85054-4502Phone: (480) 342-1800
- 4500 San Pablo Rd SJacksonville, FL 32224-1865Phone: (904) 953-2000
Registry dates
- Enumerated
- 2008-07-07
- Last updated
- 2022-10-18
- Certified
- 2022-10-18
Frequently asked questions
- What is Nelly Tan's NPI number?
- Nelly Tan's National Provider Identifier (NPI) is 1871756254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelly Tan's specialty?
- Nelly Tan is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nelly Tan located?
- Nelly Tan's practice location on file with NPPES is 757 Westood Plz, Los Angeles, CA 90095-8358.
- What is Nelly Tan's phone number?
- The practice phone number listed in the NPPES registry for Nelly Tan is (310) 957-9021.
- Does Nelly Tan accept Medicare?
- Nelly Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nelly Tan's NPI active?
- Yes — Nelly Tan's NPI (1871756254) is active in the NPPES registry as of the last update on 2022-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.