Clifford Merlo, MD
NPI 1427198597 · Radiation Oncology Physician · Lawndale, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clifford Merlo, MD is a Radiation Oncology Physician provider in Lawndale, CA (NPI 1427198597).
Provider details
- NPI number
- 1427198597
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G51280 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
73 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 Guidance for Insertion of Radiation Therapy Fields77014 | 37 | $135 |
| Intensity Modulated Treatment Delivery, Single Or Multiple Fields/Arcs,via Narrow Spatially and Temporally Modulated Beams, Binary, Dynamic Mlc, Per Treatment SessionG6015 | 36 | $417 |
Typical Medicare-allowed amounts for these services range $135–$417 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-07
- Last updated
- 2026-02-17
- Certified
- 2026-02-17
Frequently asked questions
- What is Clifford Merlo's NPI number?
- Clifford Merlo's National Provider Identifier (NPI) is 1427198597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clifford Merlo's specialty?
- Clifford Merlo is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Clifford Merlo located?
- Clifford Merlo's practice location on file with NPPES is 14608 Hawthorne Blvd, Lawndale, CA 90260-1521.
- What is Clifford Merlo's phone number?
- The practice phone number listed in the NPPES registry for Clifford Merlo is (310) 978-4970.
- Does Clifford Merlo accept Medicare?
- Clifford Merlo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clifford Merlo's NPI active?
- Yes — Clifford Merlo's NPI (1427198597) is active in the NPPES registry as of the last update on 2026-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.