Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ralph Louis Da Graca, MD

Individual provider Anesthesiology Physician · NPI 1861430456

Dr. Ralph Louis Da Graca, MD is an Anesthesiology in Orange, California. Qualified in 1995, 31 years ago. Practices with Allied Anesthesia Medical Group Inc, a 184-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
31
Licensed in
CA
In the registry since
2006
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

1100 W Stewart Dr
Orange, CA 92868-3849
Phone: (714) 633-9111
Fax: (714) 744-8695
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A74313 (CA)

Record details

NPI number1861430456
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 3, 2006
Last updated in NPPESFebruary 25, 2014
Mailing addressPo Box 1628, Orange, CA 92856-0628

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Allied Anesthesia Medical Group Inc — 184 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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