HELEN BONNIE TROP-ZELL MD
NPI 1346237930
Specialist in Scottsdale, AZ

Q: What is Helen Trop-zell's NPI number?

The NPI number for Helen Trop-zell is 1346237930. It was assigned to this individual provider in the NPPES registry on September 29, 2005.

Q: What is Helen Trop-zell's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Helen Trop-zell was last updated on August 29, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since September 29, 2005PECOS Enrolled

9953 N 95TH ST, #105, SCOTTSDALE, AZ 85258(480) 945-8360(480) 945-4555 Get Directions Write a Review

NPPES record last updated: August 29, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Helen Bonnie Trop-zell Md NPPES

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

HELEN BONNIE TROP-ZELL MD (NPI 1346237930) is an individual specialist in Scottsdale, Arizona, licensed in Arizona (AZ23273) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346237930

Entity TypeIndividualFemale

Primary Taxonomy174400000X

Provider Legal NameHELEN BONNIE TROP-ZELLCredential: MD

Location Address9953 N 95TH ST, #105Scottsdale, AZ 85258-4593

Mailing Address9953 N 95th St, #105Scottsdale, AZ 85258-4593 · (480) 945-8360 · Fax (480) 945-4555

Phone(480) 945-8360

Fax(480) 945-4555

Sole ProprietorYes

Enumeration DateSeptember 29, 2005

Last NPPES UpdateAugust 29, 2013

✔ NPI 1346237930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in AZ · AZ23273

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

9953 N 95TH ST, Scottsdale, AZ 85258

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Helen Bonnie Trop-zell Md 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 Helen Trop-zell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Shree Physicians, P.C.

1.4 mi

Internal Medicine

8404 E. SHEA BLVD, 100-A
Scottsdale, AZ 85260

Reassigned Medicare billing, Arizona enrollment
2 clinicians in this Medicare group

NPI 1891972444 (480) 584-5959

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 4

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

MADONNA C MALLARI MD

Internal Medicine

9953 N 95TH ST, SUITE 105
SCOTTSDALE, AZ 85258

Maricopa County (480) 945-8360

IRONWOOD SCOTTSDALE MEDICINE PLLC

Internal Medicine

9953 N 95TH ST, SUITE 105
SCOTTSDALE, AZ 85258

Maricopa County (480) 945-8360

MADONNA C MALLARI MD PLLC

Internal Medicine

9953 N 95TH ST, SUITE 105
SCOTTSDALE, AZ 85258

Maricopa County (480) 945-8360

HELEN B. TROP-ZELL, M.D., PLLC

Internal Medicine

9953 N 95TH ST, SUITE 105
SCOTTSDALE, AZ 85258

Maricopa County (480) 945-8308

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 Helen Trop-zell's NPI number?

The NPI number for Helen Trop-zell is 1346237930. It was assigned to this individual provider in the NPPES registry on September 29, 2005.

Where is Helen Trop-zell located?

Helen Trop-zell practices at 9953 N 95th St #105, Scottsdale, AZ 85258. The listed phone number is (480) 945-8360.

What is Helen Trop-zell's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Helen Trop-zell enrolled in Medicare?

Yes. Helen Trop-zell is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Helen Trop-zell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Helen Trop-zell reassigns Medicare benefits to Shree Physicians, P.C. (Scottsdale, AZ). 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 Helen Trop-zell'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 Helen Trop-zell was last updated on August 29, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.