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DR. DENNIS ALWEN M.D.
NPI 1043579808
Surgery in Woodland Hills, CA

Active since May 14, 2012PECOS Enrolled
6200 CANOGA AVE STE 450, WOODLAND HILLS, CA 91367(818) 518-5980(818) 337-2049 Get Directions Write a Review

NPPES record last updated: May 28, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 28, 2025, May 9, 2024, Aug 17, 2016 (3 updates tracked since 2016).

About Dr. Dennis Alwen M.d. NPPES

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

DR. DENNIS ALWEN M.D. (NPI 1043579808) is an individual surgery provider in Woodland Hills, California, licensed in California (A121235) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS and maintains a secondary practice location in Holladay.

NPPES Registry Identity

NPI1043579808
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. DENNIS ALWENCredential: M.D.
Location Address6200 CANOGA AVE STE 450Woodland Hills, CA 91367-7464
Mailing Address25408 Crenshaw BlvdTorrance, CA 90505-6123 · (818) 518-5980
Phone(818) 518-5980
Fax(818) 337-2049
Sole ProprietorYes
Enumeration DateMay 14, 2012
Last NPPES UpdateMay 28, 20253 updates tracked since enumeration
NPPES CertifiedMay 28, 2025
✔ NPI 1043579808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in CA · A121235✔ Licensed in UT · 14218149-1205
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.
6200 CANOGA AVE STE 450, Woodland Hills, CA 91367
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Secondary Practice Location 1

Location 16440 S Wasatch Blvd Ste 235Holladay, UT 84121-3546 · Phone (801) 999-1180

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Dennis Alwen 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 Reassignments

3

Medicare enrollment records show Dennis Alwen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pih Health Physicians
19 mi
Cardiovascular Disease
3663 W 6TH ST STE 309
Los Angeles, CA 90020
  • Reassigned Medicare billing, California enrollment
  • 840 clinicians in this Medicare group
NPI 1518625367 (213) 387-8200
Associates In Womens Health Care
347 mi
Obstetrics & Gynecology
5 MEDICAL PLAZA DR STE 250
Roseville, CA 95661
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
NPI 1366419491 (916) 782-2229
Obhg California, P.C.
2,057 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289

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 91367 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PANACEA POINTE MEDICAL CENTRE
Clinic/Center (Medical Specialty)
6200 CANOGA AVE STE 450
WOODLAND HILLS, CA 91367
Los Angeles County (310) 709-7460

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 Dennis Alwen's NPI number?

The NPI number for Dennis Alwen is 1043579808. It was assigned to this individual provider in the NPPES registry on May 14, 2012.

Where is Dennis Alwen located?

Dennis Alwen practices at 6200 Canoga Ave Ste 450, Woodland Hills, CA 91367. The listed phone number is (818) 518-5980.

What is Dennis Alwen's specialty?

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

Is Dennis Alwen enrolled in Medicare?

Yes. Dennis Alwen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Dennis Alwen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Alwen reassigns Medicare benefits to 3 organizations: Pih Health Physicians (Los Angeles, CA), Associates In Womens Health Care (Roseville, CA) and Obhg California, P.C. (Greenville, SC). 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 Dennis Alwen'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 Dennis Alwen was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.