Doctor profile · Federal record
Dr. Ralph da Graca, MD
Anesthesiology Physician (CMS: Anesthesiology) · Orange, CA
- NPI 1861430456
- Accepts Medicare
- 31 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1100 W Stewart Dr
Orange, CA 928683849
(714) 633-9111
fax (714) 744-8695 - Mailing address
-
Po Box 1628
Orange, CA 928560628
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 25, 2014
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #A74313
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861430456. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
347
Distinct HCPCS
10
Medicare allowed
$51,891
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 53 | 53 | $133 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 48 | 45 | $147 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 43 | 43 | $139 | |
00812 |
Anesthesia for exam of colon using an endoscope | 40 | 40 | $108 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 34 | 34 | $171 | |
01402 |
Anesthesia for procedure for total knee joint replacement | 30 | 28 | $312 | |
64454 |
Injection of anesthetic agent and/or steroid into knee nerve branch using imaging guidance | 30 | 29 | $85 | |
00104 |
Anesthesia for electroshock therapy | 28 | 17 | $120 | |
76942 |
Ultrasonic guidance for needle placement | 24 | 23 | $32 | |
01214 |
Anesthesia for total hip replacement | 17 | 17 | $333 |
In context: peer comparison
Among 76 peers in Orange Anesthesiology Physician, average services per provider: 29. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$119
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pacira Pharmaceuticals Incorporated | 1 | $119.03 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Ralph da Graca's medical specialty?
Dr. Ralph da Graca practices Anesthesiology Physician in Orange, CA.
Where does Dr. Ralph da Graca practice?
Dr. Ralph da Graca practices at 1100 W Stewart Dr, Orange, CA 928683849. Office phone: 7146339111.
What is Dr. Ralph da Graca's NPI?
Dr. Ralph da Graca's National Provider Identifier (NPI) is 1861430456, issued by NPPES.
Does Dr. Ralph da Graca accept Medicare assignment?
Yes. Dr. Ralph da Graca accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ralph da Graca commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.