Theresa Chin, M.D.
NPI 1407020951 · Trauma Surgery Physician · Orange, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Chin, M.D. is a Trauma Surgery Physician provider in Orange, CA (NPI 1407020951).
Provider details
- NPI number
- 1407020951
- Entity type
- Individual
- Primary specialty
- Trauma Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A151833 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
234 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 74 | $122 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 70 | $81 |
| Critical Care, First 30-74 Minutes99291 | 36 | $217 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 25 | $178 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 16 | $134 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
Practice location
Mailing address
Additional practice locations (1)
- University of Colorado School of Medicine4200 E. 9th AveDenver, CO 80262-0001Phone: (303) 315-7424
Registry dates
- Enumerated
- 2008-04-16
- Last updated
- 2025-06-17
- Certified
- 2025-06-17
Frequently asked questions
- What is Theresa Chin's NPI number?
- Theresa Chin's National Provider Identifier (NPI) is 1407020951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Chin's specialty?
- Theresa Chin is listed in the NPPES registry with a primary specialty of Trauma Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Theresa Chin located?
- Theresa Chin's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Theresa Chin's phone number?
- The practice phone number listed in the NPPES registry for Theresa Chin is (714) 509-2413.
- Does Theresa Chin accept Medicare?
- Theresa Chin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Chin's NPI active?
- Yes — Theresa Chin's NPI (1407020951) is active in the NPPES registry as of the last update on 2025-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.