A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Gregorio Calleja:
View the full profile to get information on:
- What's important to you
View full profile
The overall average patient rating of Dr. Gregorio Calleja is Excellent.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Prepare before visiting Dr. Calleja
Gout Patient Education Read our patient education guide for Gout, uric acid crystal deposits and causes of this type of arthritis.Before Visiting Dr. Calleja Learn More
Specialties & Research
Dr. Gregorio Calleja, MD is board certified in Family Medicine.
Education & Awards
Dr. Calleja graduated from Universidad Complutense De Madrid. He has 2 awards.
Dr. Calleja has 4 hospital affiliations:
- St Catherine Of Siena Medical Center
- St John's Episcopal Hospital
Similar doctors nearby
- Additional Information
- Dr. Gregorio Alejandro Calleja MD is a male Family Practitioner, has 37 years of experience and practices in Family Medicine.
- Where does Dr. Gregorio A. Calleja practice?
- Dr. Gregorio Calleja has 1 office location.
Dr. Gregorio Calleja practices Family Medicine near Rockaway Park, NY.
See Rockaway Park Family Physicians.