Memorial Radiation Oncology Medical
NPI 1639509706 · Radiation Oncology Physician · Fountain Valley, CA
Memorial Radiation Oncology Medical is a Radiation Oncology Physician organization in Fountain Valley, CA (NPI 1639509706).
Provider details
- NPI number
- 1639509706
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Asif Harsolia, Md/Authorized Official(562) 492-6695
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-11-26
- Last updated
- 2025-10-15
- Certified
- 2025-10-15
Frequently asked questions
- What is Memorial Radiation Oncology Medical's NPI number?
- Memorial Radiation Oncology Medical's National Provider Identifier (NPI) is 1639509706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Memorial Radiation Oncology Medical?
- Memorial Radiation Oncology Medical is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Memorial Radiation Oncology Medical located?
- Memorial Radiation Oncology Medical's practice location on file with NPPES is 18111 Brookhurst St, Fountain Valley, CA 92708-6728.
- What is Memorial Radiation Oncology Medical's phone number?
- The practice phone number listed in the NPPES registry for Memorial Radiation Oncology Medical is (714) 962-7100.
- Who is the authorized official for Memorial Radiation Oncology Medical?
- The authorized official listed on Memorial Radiation Oncology Medical's NPPES record is Asif Harsolia, Md/Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Memorial Radiation Oncology Medical's NPI active?
- Yes — Memorial Radiation Oncology Medical's NPI (1639509706) is active in the NPPES registry as of the last update on 2025-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.