DR. ALAN WEISS MD, MA(ED)
NPI 1669552402
Surgery in Los Angeles, CA

Active since October 16, 2006PECOS EnrolledAccepts Medicare Assignment
1414 S GRAND AVE, SUITE 375, LOS ANGELES, CA 90015(213) 747-5211 Get Directions Write a Review

NPPES record last updated: October 8, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Alan Weiss Md, Ma(ed) NPPES

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

DR. ALAN WEISS MD, MA(ED) (NPI 1669552402) is an individual surgery provider in Los Angeles, California, licensed in California (G31574) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Pennsylvania State University College Of Medicine (1974).

NPPES Registry Identity

NPI1669552402
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. ALAN WEISSCredential: MD, MA(ED)
Location Address1414 S GRAND AVE, SUITE 375Los Angeles, CA 90015-3067
Mailing Address1414 S Grand Ave, Suite 375Los Angeles, CA 90015-3067 · (213) 747-5211
Sole ProprietorNo
Medical School CMSPennsylvania State University College Of MedicineGraduated 1974
Enumeration DateOctober 16, 2006
Last NPPES UpdateOctober 8, 2009
✔ NPI 1669552402 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · G31574
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1414 S GRAND AVE, Los Angeles, CA 90015

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. Alan Weiss Md, Ma(ed) 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.

PECOS PAC ID3375687668
PECOS Enrollment IDI20100224000917
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 Reassignments

2

Medicare enrollment records show Alan Weiss reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
1414 S GRAND AVE, SUITE 375
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 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 90015 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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.

Internal Medicine
1414 S GRAND AVE
LOS ANGELES, CA 90015
Radiology (Radiation Oncology)
1414 S GRAND AVE, STE 101
LOS ANGELES, CA 90015
Neurological Surgery
1414 S GRAND AVE, SUITE 410
LOS ANGELES, CA 90015
Dentist
1414 S GRAND AVE, SUITE 485
LOS ANGELES, CA 90015
Pharmacist
1414 S GRAND AVE
LOS ANGELES, CA 90015
Optometrist (Corneal and Contact Management)
1414 S GRAND AVE, SUITE 105
LOS ANGELES, CA 90015
Internal Medicine (Infectious Disease)
1414 S GRAND AVE, STE 400
LOS ANGELES, CA 90015
Physician Assistant (Medical)
1414 S GRAND AVE, #456
LOS ANGELES, CA 90015

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 Alan Weiss's NPI number?

The NPI number for Alan Weiss is 1669552402. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Where is Alan Weiss located?

Alan Weiss practices at 1414 S Grand Ave Suite 375, Los Angeles, CA 90015. The listed phone number is (213) 747-5211.

What is Alan Weiss's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Alan Weiss enrolled in Medicare?

Yes. Alan Weiss 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 Alan Weiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alan Weiss reassigns Medicare benefits to 2 organizations: California General Surgeons Medical Group Inc. (Los Angeles, CA) and Healthcare Partners Affiliates Medical Group (Los Angeles, 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 Alan Weiss'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 Alan Weiss was last updated on October 8, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.