DR. MOHAMMED ZAHID SIDDIQUI MD
NPI 1730115973
Internal Medicine - Medical Oncology in Nashville, IL

Active since June 22, 2006PECOS Enrolled
705 SOUTH GRAND AVENUE, NASHVILLE, IL 62263(618) 327-2225(618) 327-2229 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mohammed Zahid Siddiqui Md NPPES

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

DR. MOHAMMED ZAHID SIDDIQUI MD (NPI 1730115973) is an individual medical oncology provider in Nashville, Illinois and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730115973
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. MOHAMMED ZAHID SIDDIQUICredential: MD
Location Address705 SOUTH GRAND AVENUENashville, IL 62263-1534
Mailing Address1031 Polo Downs DrChesterfield, MO 63017-8358 · (636) 891-9065
Fax(618) 327-2229
Sole ProprietorNo
Enumeration DateJune 22, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1730115973 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
705 SOUTH GRAND AVENUE, Nashville, IL 62263

Other Identifiers 2

Medicare UPING78080
Medicare ID-Type UnspecifiedK01265IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mohammed Zahid Siddiqui 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 Reassignments

2

Medicare enrollment records show Mohammed Siddiqui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
4225 BAYLESS AVE
Saint Louis, MO 63123
  • Reassigned Medicare billing, Missouri enrollment
  • 3 clinicians in this Medicare group
Internal Medicine
15421 CLAYTON RD STE G1
Ballwin, MO 63011
  • Reassigned Medicare billing, Missouri enrollment

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 62263 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
$173.35 typical visit price
range $56.28 – $173.35
Typical copayment $43.33 (range $14.07 – $43.33)
Most-billed visit code 99205
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
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.

Other Providers at the Same Location NPPES 2

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

Family Medicine
705 SOUTH GRAND AVENUE
NASHVILLE, IL 62263
Physician Assistant
705 SOUTH GRAND AVENUE
NASHVILLE, IL 62263

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 Mohammed Siddiqui's NPI number?

The NPI number for Mohammed Siddiqui is 1730115973. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Where is Mohammed Siddiqui located?

Mohammed Siddiqui practices at 705 South Grand Avenue, Nashville, IL 62263. The listed phone number is (618) 327-2225.

What is Mohammed Siddiqui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Mohammed Siddiqui enrolled in Medicare?

Yes. Mohammed Siddiqui is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mohammed Siddiqui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohammed Siddiqui reassigns Medicare benefits to 2 organizations: Metro Medical Institute (Saint Louis, MO) and Longevity Vein Clinic LLC (Ballwin, MO). 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 Mohammed Siddiqui'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 Mohammed Siddiqui was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.