Andrew Singleton
NPI 1639312663 · Surgical Critical Care Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Singleton is a Surgical Critical Care Physician provider in Pasadena, CA (NPI 1639312663).
Provider details
- NPI number
- 1639312663
- Entity type
- Individual
- Primary specialty
- Surgical Critical Care PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
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
17 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
895 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 35 Minutes99232 | 248 | $81 |
| Critical Care, First 30-74 Minutes99291 | 109 | $217 |
| Critical Care, Each Additional 30 Minutes99292 | 102 | $109 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 91 | $51 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 54 | $31 |
| Limited Ultrasound Scan of Abdomen |
Practice location
Mailing address
Additional practice locations (1)
- 1450 San Pablo StSuite 6200Los Angeles, CA 90033-4500Phone: (323) 409-7761
Registry dates
- Enumerated
- 2009-04-06
- Last updated
- 2020-06-21
- Certified
- 2020-06-21
Frequently asked questions
- What is Andrew Singleton's NPI number?
- Andrew Singleton's National Provider Identifier (NPI) is 1639312663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Singleton's specialty?
- Andrew Singleton is listed in the NPPES registry with a primary specialty of Surgical Critical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Singleton located?
- Andrew Singleton's practice location on file with NPPES is 1044 S Fair Oaks Ave Ste 101, Pasadena, CA 91105-2622.
- What is Andrew Singleton's phone number?
- The practice phone number listed in the NPPES registry for Andrew Singleton is (626) 449-4859.
- Does Andrew Singleton accept Medicare?
- Andrew Singleton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Singleton's NPI active?
- Yes — Andrew Singleton's NPI (1639312663) is active in the NPPES registry as of the last update on 2020-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.