WALTER L WYNNE M.D.
NPI 1396797817
Hospitalist in Los Angeles, CA

Active since May 16, 2006PECOS EnrolledAccepts Medicare Assignment
2131 W 3RD ST, ST VINCENT MEDICAL CENTER, LOS ANGELES, CA 90057(310) 874-0623 Get Directions Write a Review

NPPES record last updated: May 13, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Walter L Wynne M.d. NPPES

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

WALTER L WYNNE M.D. (NPI 1396797817) is an individual hospitalist provider in Los Angeles, California, licensed in California (A043607) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (1985).

NPPES Registry Identity

NPI1396797817
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameWALTER L WYNNECredential: M.D.
Location Address2131 W 3RD ST, ST VINCENT MEDICAL CENTERLos Angeles, CA 90057-1901
Mailing Address201 Wilshire Blvd, Ste A26Santa Monica, CA 90401-1212 · (310) 874-0623
Sole ProprietorYes
Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 1985
Enumeration DateMay 16, 2006
Last NPPES UpdateMay 13, 2010
✔ NPI 1396797817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A043607
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
2131 W 3RD ST, Los Angeles, CA 90057

Other Identifiers 1

OtherA043607CA · State License

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

Walter L Wynne M.d. 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 ID2668441379
PECOS Enrollment IDI20110803000855
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 Walter Wynne reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medicare Defined Swing Bed Unit
240 SPRUCE ST
Gridley, CA 95948
  • Reassigned Medicare billing, California enrollment
  • 17 clinicians in this Medicare group
Medicare Defined Swing Bed Unit
1133 W SYCAMORE ST
Willows, CA 95988
  • Reassigned Medicare billing, California enrollment
  • 53 clinicians in this Medicare group
Critical Access
444 BRUCE ST
Yreka, CA 96097
  • Reassigned Medicare billing, California enrollment
  • 140 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 90057 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers22 claims60 services$6.85 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers11 claims38 services$3.22 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers53 claims53 services$19.07 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers14 claims14 services$55.71 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers82 claims82 services$109.82 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier18 claims18 services$35.98 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 (Critical Care Medicine)
2131 W 3RD ST
LOS ANGELES, CA 90057
Emergency Medicine
2131 W 3RD ST
LOS ANGELES, CA 90057
Pathology (Anatomic Pathology & Clinical Pathology)
2131 W 3RD ST
LOS ANGELES, CA 90057
Radiology (Diagnostic Radiology)
2131 W 3RD ST
LOS ANGELES, CA 90057
General Acute Care Hospital
2131 W 3RD ST
LOS ANGELES, CA 90057
Physician Assistant (Surgical)
2131 W 3RD ST
LOS ANGELES, CA 90057
Anesthesiology
2131 W 3RD ST
LOS ANGELES, CA 90057
Anesthesiology
2131 W 3RD ST
LOS ANGELES, CA 90057

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 Walter Wynne's NPI number?

The NPI number for Walter Wynne is 1396797817. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Walter Wynne located?

Walter Wynne practices at 2131 W 3rd St St Vincent Medical Center, Los Angeles, CA 90057. The listed phone number is (310) 874-0623.

What is Walter Wynne's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Walter Wynne enrolled in Medicare?

Yes. Walter Wynne 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 Walter Wynne's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Walter Wynne reassigns Medicare benefits to 3 organizations: Orchard Hospital (Gridley, CA), Glenn Medical Center, LLC (Willows, CA) and Siskiyou Hospital, Inc. (Yreka, 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 Walter Wynne'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 Walter Wynne was last updated on May 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.