Mr. Mark John Castellanet, MD
Mr. Mark John Castellanet, MD is a Cardiovascular Disease Physician in Los Alamitos, California. Licensed in California. Registered with an NPI since 2005.
- Licensed in
- CA
- In the registry since
- 2005
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
3801 Katella Ave Ste 401Los Alamitos, CA 90720-3375
Phone: (562) 598-3200
Fax: (562) 799-3646
Show map & directions
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Cardiovascular Disease Physician (primary) | Taxonomy 207RC0000X · Licence GZ8642 (CA) |
|---|
Record details
| NPI number | 1538165782 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | June 22, 2005 |
| Last updated in NPPES | July 13, 2026 |
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