HATEEM SIDDIQUI MD PC
NPI 1386453355
Internal Medicine in San Bernardino, CA

Q: What is Hateem Siddiqui MD PC's NPI number?

The NPI number for Hateem Siddiqui MD PC is 1386453355. It was assigned to this organization in the NPPES registry on January 4, 2025.

Q: What is Hateem Siddiqui MD PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since January 04, 2025CLIA 05D2325434 · Waiver

1800 WESTERN AVE STE 409, SAN BERNARDINO, CA 92411(909) 202-4336(909) 222-6023 Get Directions Write a Review

NPPES record last updated: May 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 21, 2025, Jan 6, 2025, Jan 4, 2025 (3 updates tracked since 2025).

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About Hateem Siddiqui Md Pc NPPES

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

HATEEM SIDDIQUI MD PC (NPI 1386453355) is a healthcare organization registered as an internal medicine in San Bernardino, California and active in the NPI registry since January 2025. The organization holds a CLIA Waiver certificate valid through June 11, 2027 and lists Hateem Siddiqui, Owner, as its authorized official.

NPPES Registry Identity

NPI1386453355

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameHATEEM SIDDIQUI MD PC

Location Address1800 WESTERN AVE STE 409San Bernardino, CA 92411-1355

Mailing AddressPo Box 91Rancho Cucamonga, CA 91729-0091 · (818) 770-9073

Phone(909) 202-4336

Fax(909) 222-6023

Organization SubpartNo

Authorized OfficialHateem SiddiquiOwner · (818) 770-9073

Enumeration DateJanuary 4, 2025

Last NPPES UpdateMay 21, 20253 updates tracked since enumeration

NPPES CertifiedMay 21, 2025

✔ NPI 1386453355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1800 WESTERN AVE STE 409, San Bernardino, CA 92411

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hateem Siddiqui Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Hateem Siddiqui MD PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Hateem Siddiqui

Internal Medicine

NPI 1487099669

1800 WESTERN AVE STE 409
San Bernardino, CA 92411

(909) 202-4336

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2325434

Hateem Siddiqui MD PC · San Bernardino, CA

Active · expires Jun 11, 2027

CLIA Number05D2325434

Laboratory TypePhysician Office

Certificate Effective DateJune 12, 2025

Certificate Expiration DateJune 11, 2027

Laboratory DirectorHateem Saddiqui

Laboratory Phone(909) 202-4336

Laboratory LocationHateem Siddiqui MD PC1800 Western Avenue N #409, San Bernardino, CA 92411

CLIA data matches this NPI record on: Name Phone

This certificate is issued to a laboratory to perform only waived tests.

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 Hateem Siddiqui MD PC's NPI number?

The NPI number for Hateem Siddiqui MD PC is 1386453355. It was assigned to this organization in the NPPES registry on January 4, 2025.

Where is Hateem Siddiqui MD PC located?

Hateem Siddiqui MD PC is located at 1800 Western Ave Ste 409, San Bernardino, CA 92411. The listed phone number is (909) 202-4336.

What is Hateem Siddiqui MD PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Hateem Siddiqui MD PC enrolled in Medicare?

Yes. Hateem Siddiqui MD PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hateem Siddiqui MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Hateem Siddiqui MD PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Hateem Siddiqui MD PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2325434) is associated with this NPI, valid through June 11, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Hateem Siddiqui MD PC was last updated on May 21, 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.