Theodore Quilligan, M.D.
NPI 1245251768 · Anesthesiology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Quilligan, M.D. is a Anesthesiology Physician provider in Orange, CA (NPI 1245251768).
Provider details
- NPI number
- 1245251768
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G71863 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
125 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Other Procedure on Lower Abdomen00840 | 48 | $244 |
| Anesthesia for Other Procedure on Nose and Sinuses00160 | 21 | $218 |
| Anesthesia for Injection, Drainage Or Aspiration Procedures on Spine Or Spinal Cord of Lower Back Accessed Through Skin Using Imaging Guidance01938 | 17 | $107 |
| Anesthesia for Other Procedure on Neck Area (1 Year Or Older)00320 | 13 | $201 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 13 | $134 |
| Anesthesia for Procedure to Repair Upper Abdominal Incisional Hernia And/Or Wound Opening00752 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$333 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2015-02-19
Frequently asked questions
- What is Theodore Quilligan's NPI number?
- Theodore Quilligan's National Provider Identifier (NPI) is 1245251768, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Quilligan's specialty?
- Theodore Quilligan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Quilligan located?
- Theodore Quilligan's practice location on file with NPPES is 1100 W Stewart Dr, Orange, CA 92868-3849.
- What is Theodore Quilligan's phone number?
- The practice phone number listed in the NPPES registry for Theodore Quilligan is (714) 633-9111.
- Does Theodore Quilligan accept Medicare?
- Theodore Quilligan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Quilligan's NPI active?
- Yes — Theodore Quilligan's NPI (1245251768) is active in the NPPES registry as of the last update on 2015-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.