1. Home
  2. Directory
  3. California
  4. Alhambra
  5. Emergency Medicine
  6. NPI Profile

DR. ANDREW SHEN M.D.
NPI 1851469209
Emergency Medicine in Alhambra, CA

Active since December 02, 2006PECOS Enrolled
100 S RAYMOND AVE, ALHAMBRA, CA 91801(626) 836-3020(626) 836-2920 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Andrew Shen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANDREW SHEN M.D. (NPI 1851469209) is an individual emergency medicine provider in Alhambra, California, licensed in California (G73575) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851469209
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ANDREW SHENCredential: M.D.
Location Address100 S RAYMOND AVEAlhambra, CA 91801
Mailing Address122a E Foothill Blvd # 8Arcadia, CA 91006-2505 · (626) 836-3020 · Fax (626) 836-2920
Phone(626) 836-3020
Fax(626) 836-2920
Sole ProprietorYes
Enumeration DateDecember 2, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1851469209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · G73575
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
100 S RAYMOND AVE, Alhambra, CA 91801
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type UnspecifiedWG73575CCA
Medicare UPINF36202CA
Medicaid00G735750CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Andrew Shen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Andrew Shen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Andy Shen, M.D., Inc.
Same address
Emergency Medicine
100 S RAYMOND AVE
Alhambra, CA 91801
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Andy Shen MD Inc
  • 50 clinicians in this Medicare group
NPI 1457427221 (626) 836-3020

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
66 services65 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
41 services40 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
27 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

CHIBONG ALEX YU D.O., M.P.H.
Internal Medicine (Infectious Disease)
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (951) 929-6260
DR. ANTHONY TJIO M.D.
Emergency Medicine
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 836-3020
NELLISA EBANKS
Registered Nurse
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (310) 596-9776
CHUN TER CHEN M.D.
Anesthesiology
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 570-1606
Y C TSENG MD INC
Anesthesiology
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 570-1606
ALHAMBRA HOSPITAL MEDICAL CENTER, LP
General Acute Care Hospital
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 457-7938
MR. RAY REGALADO PT
Physical Therapist
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 458-4707
ALHAMBRA HOSPITAL MEDICAL CENTER, LP
General Acute Care Hospital
100 S RAYMOND AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 457-7938

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 Andrew Shen's NPI number?

The NPI number for Andrew Shen is 1851469209. It was assigned to this individual provider in the NPPES registry on December 2, 2006.

Where is Andrew Shen located?

Andrew Shen practices at 100 S Raymond Ave, Alhambra, CA 91801. The listed phone number is (626) 836-3020.

What is Andrew Shen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Andrew Shen enrolled in Medicare?

Yes. Andrew Shen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrew Shen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Shen reassigns Medicare benefits to Andy Shen, M.D., Inc. (Alhambra, CA). The 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 Andrew Shen'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 Andrew Shen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.