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ALVIN WALTER ANNEN MD
NPI 1699286468
Surgery - Plastic and Reconstructive Surgery in Palo Alto, CA

Active since October 19, 2017PECOS Enrolled
300 PASTEUR DR, PALO ALTO, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 10, 2019, Oct 19, 2017 (2 updates tracked since 2017).

About Alvin Walter Annen Md NPPES

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

ALVIN WALTER ANNEN MD (NPI 1699286468) is an individual plastic and reconstructive surgery provider in Palo Alto, California, licensed in California (A202598) and active in the NPI registry since October 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of Oregon Health Sciences University School Of Medicine (2019).

NPPES Registry Identity

NPI1699286468
Entity TypeIndividualMale
Primary Taxonomy2086S0122X
Provider Legal NameALVIN WALTER ANNENCredential: MD
Location Address300 PASTEUR DRPalo Alto, CA 94305-2200
Mailing Address300 Pasteur DrPalo Alto, CA 94305-2200 · (650) 723-4000
Phone(650) 723-4000
Sole ProprietorYes
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2019
Enumeration DateOctober 19, 2017
Last NPPES UpdateAugust 1, 20252 updates tracked since enumeration
NPPES CertifiedAugust 1, 2025
✔ NPI 1699286468 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Plastic and Reconstructive SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0122X
Licenses✔ Licensed in CA · A202598✔ Licensed in OR · PG193909
Definition
A surgeon who specializes in plastic and reconstructive surgery.
300 PASTEUR DR, Palo Alto, CA 94305
Open in Google Maps ↗

Secondary Practice Location 1

Location 13181 SW Sam Jackson Park RdPortland, OR 97239-3011 · Phone (503) 494-8311

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alvin Walter Annen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9537498225
PECOS Enrollment IDI20250618002889
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 Alvin Annen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Stanford Health Care
0.1 mi
General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
NPI 1437292927 (650) 723-4000
Lpch Medical Group Div Of Lucile
0.2 mi
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
NPI 1417907940 (650) 498-6762

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

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.

PRISTA CHARUWORN MD
Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Santa Clara County (650) 723-6661
ANDREW CHARLES PICEL M.D
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
MATTHEW A WRIGHT M.D. PH.D.
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
DR. QUAZI ZUBAIR AL-TARIQ M.D.
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
ANGIE DEE MURKINS NP
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
DR. JAMSHID GHAJAR MD PHD
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
SARA BAKHTARY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Santa Clara County (650) 723-5252
YU KUANG LAI MD
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000

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 Alvin Annen's NPI number?

The NPI number for Alvin Annen is 1699286468. It was assigned to this individual provider in the NPPES registry on October 19, 2017.

Where is Alvin Annen located?

Alvin Annen practices at 300 Pasteur Dr, Palo Alto, CA 94305. The listed phone number is (650) 723-4000.

What is Alvin Annen's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Plastic and Reconstructive Surgery, with taxonomy code 2086S0122X.

Is Alvin Annen enrolled in Medicare?

Yes. Alvin Annen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alvin Annen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alvin Annen reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Lpch Medical Group Div Of Lucile (Palo Alto, 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 Alvin Annen'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 Alvin Annen was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.