DR. ALEXANDER JESSE FLORES MD
NPI 1154063006
Emergency Medicine in Philadelphia, PA
About Dr. Alexander Jesse Flores Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER JESSE FLORES MD (NPI 1154063006) is an individual emergency medicine provider in Philadelphia, Pennsylvania, licensed in California (A203109) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alexander Jesse Flores Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Alexander Flores reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
San Gabriel, CA 91776
- Reassigned Medicare billing, California enrollment
- 29 clinicians in this Medicare group
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Andy Shen MD Inc
- 50 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19152 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19152
PHILADELPHIA, PA 19152
PHILADELPHIA, PA 19152
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alexander Flores's NPI number?
The NPI number for Alexander Flores is 1154063006. It was assigned to this individual provider in the NPPES registry on April 11, 2022.
Where is Alexander Flores located?
Alexander Flores practices at 2601 Holme Ave, Philadelphia, PA 19152. The listed phone number is (215) 335-6000.
What is Alexander Flores's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Alexander Flores enrolled in Medicare?
Yes. Alexander Flores is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alexander Flores's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Flores reassigns Medicare benefits to 3 organizations: Oc Emergency Physicians (Tustin, CA), Emergency Physicians Of San Gabriel Valley (San Gabriel, CA) and Andy Shen, M.D., Inc. (Alhambra, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Flores's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alexander Flores was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Alexander Jesse Flores, MD · NPI 1154063006
Emergency Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since April 11, 2022.
## Identity
- **NPI:** 1154063006 (Entity type: Individual)
- **Enumerated:** April 11, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A203109 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2601 HOLME AVE, Philadelphia, PA 19152-2096
- **Phone:** (215) 335-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Oc Emergency Physicians (NPI 1124902739, Tustin, CA); Emergency Physicians Of San Gabriel Valley (NPI 1366021834, San Gabriel, CA); Andy Shen, M.D., Inc. (NPI 1457427221, Alhambra, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** August 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1154063006) · Data from the CMS NPPES public registry.