DR. WALDO C. FENG M.D.
NPI 1639169774
Urology - Pediatric Urology in Las Vegas, NV

Active since October 27, 2005PECOS Enrolled
3131 LA CANADA ST STE 205, LAS VEGAS, NV 89169(702) 916-1996(702) 916-1997 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Waldo C. Feng M.d. NPPES

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

DR. WALDO C. FENG M.D. (NPI 1639169774) is an individual pediatric urology provider in Las Vegas, Nevada, licensed in Nevada (NV10623) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Las Vegas.

NPPES Registry Identity

NPI1639169774
Entity TypeIndividualMale
Primary Taxonomy2088P0231X
Provider Legal NameDR. WALDO C. FENGCredential: M.D.
Location Address3131 LA CANADA ST STE 205Las Vegas, NV 89169-2578
Mailing Address20 Wade Hampton TrlHenderson, NV 89052-6635 · (702) 916-1996 · Fax (702) 916-1997
Fax(702) 916-1997
Sole ProprietorYes
Enumeration DateOctober 27, 2005
Last NPPES UpdateMarch 17, 2018
✔ NPI 1639169774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyUrology · Pediatric UrologyAllopathic & Osteopathic Physicians
Taxonomy Code2088P0231X
License✔ Licensed in NV · NV10623
Definition
Surgeons who can diagnose, treat, and manage children's urinary and genital problems. A pediatric urologist devotes a minimum of 50% of his or her practice to the urologic problems of infants, children, and adolescents. Pediatric urologists generally provide the following services: the evaluation and management of voiding disorders; vesicoureteral reflux, and urinary tract infections that require surgery; surgical reconstruction of the urinary tract (kidneys, ureters, and bladder) including genital abnormalities, hypospadias, and intersex conditions; surgery for groin conditions in childhood and adolescence (undescended testes, hydrocele/hernia, varicocele).
Also ListedSpecialistTaxonomy 174400000X · License 10623 (NV)
3131 LA CANADA ST STE 205, Las Vegas, NV 89169

Secondary Practice Location 1

Location 16670 S. Tenaya Way Suite 180Las Vegas, NV 89113 · Phone (702) 369-4999 · Fax (702) 369-2993

Other Identifiers 1

Medicaid100500681NV

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Waldo C. Feng 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 Waldo Feng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatric Urology
6670 S TENAYA WAY STE 180
Las Vegas, NV 89113
  • Reassigned Medicare billing, Nevada enrollment
  • 4 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.

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 Waldo Feng's NPI number?

The NPI number for Waldo Feng is 1639169774. It was assigned to this individual provider in the NPPES registry on October 27, 2005.

Where is Waldo Feng located?

Waldo Feng practices at 3131 La Canada St Ste 205, Las Vegas, NV 89169. The listed phone number is (702) 916-1996.

What is Waldo Feng's specialty?

The primary specialty registered for this NPI is Urology, specializing in Pediatric Urology, with taxonomy code 2088P0231X.

Is Waldo Feng enrolled in Medicare?

Yes. Waldo Feng is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Waldo Feng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Waldo Feng reassigns Medicare benefits to Childrens Urology Associates, LLC (Las Vegas, NV). 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 Waldo Feng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Waldo Feng accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Molina Healthcare list Waldo Feng as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Waldo Feng was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.