Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Daniel Leon Gianella, MD

Individual provider Diagnostic Radiology Physician · NPI 1306026133

Dr. Daniel Leon Gianella, MD practises Diagnostic Radiology in Long Beach, California. Graduated from University of California, Geffen School of Medicine in 2004, 22 years ago. Practices with Radiology Muskegon, PC, a 22-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
22
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2801 Atlantic Ave
Long Beach, CA 90806-1701
Phone: (562) 933-1550
Fax: (562) 933-1502
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence A93464 (CA)

Record details

NPI number1306026133
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 8, 2007
Last updated in NPPESMarch 21, 2023
Certification dateMarch 21, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Radiology Muskegon, Pc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients2,960
Services billed 20,206 a service is one billed item, such as a visit, a test or a procedure
Average patient age78

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Mercy Health Lakeshore Campus Hospital · Shelby, MI
  • Trinity Health Muskegon Hospital Hospital · Muskegon, MI

Colleagues at Radiology Muskegon, PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 22 clinicians in the practice; 12 are shown here.

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