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SUMER INC.
NPI 1396445094
Internal Medicine in Poway, CA

Active since March 09, 2023CLIA 05D2292525 · Waiver
13525 MIDLAND RD STE J, POWAY, CA 92064(858) 648-0213(858) 216-1980 Get Directions Write a Review

NPPES record last updated: November 14, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 14, 2024, Oct 6, 2024, Mar 21, 2023 and 2 more (5 updates tracked since 2023).

About Sumer Inc. NPPES

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

SUMER INC. (NPI 1396445094) is a healthcare organization registered as an internal medicine in Poway, California and active in the NPI registry since March 2023. The organization holds a CLIA Waiver certificate valid through June 18, 2028 and lists Hassan Alsabbak, Owner, as its authorized official.

NPPES Registry Identity

NPI1396445094
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSUMER INC.
Location Address13525 MIDLAND RD STE JPoway, CA 92064-4772
Mailing Address13525 Midland Rd Ste JPoway, CA 92064-4772 · (858) 648-0213 · Fax (858) 216-1980
Phone(858) 648-0213
Fax(858) 216-1980
Organization SubpartNo
Authorized OfficialHassan AlsabbakOwner · (858) 648-0213
Enumeration DateMarch 9, 2023
Last NPPES UpdateNovember 14, 20245 updates tracked since enumeration
NPPES CertifiedNovember 14, 2024
✔ NPI 1396445094 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.
13525 MIDLAND RD STE J, Poway, CA 92064
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Sumer Inc. 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 Sumer Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Hassan Alsabbak, M.D.
Internal Medicine
NPI 1851705396
13525 MIDLAND RD STE J
Poway, CA 92064
(858) 648-0213
✔ 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 05D2292525

Sumer Inc · Poway, CA
Active · expires Jun 18, 2028
CLIA Number05D2292525
Laboratory TypePhysician Office
Certificate Effective DateJune 19, 2026
Certificate Expiration DateJune 18, 2028
Laboratory DirectorHassan Alsabbak
Laboratory Phone(858) 648-0213
Laboratory LocationSumer Inc13525 Midland Rd, Ste J, Poway, CA 92064
CLIA data matches this NPI record on: Address 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 Sumer Inc.'s NPI number?

The NPI number for Sumer Inc. is 1396445094. It was assigned to this organization in the NPPES registry on March 9, 2023.

Where is Sumer Inc. located?

Sumer Inc. is located at 13525 Midland Rd Ste J, Poway, CA 92064. The listed phone number is (858) 648-0213.

What is Sumer Inc.'s specialty?

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

Is Sumer Inc. enrolled in Medicare?

Yes. Sumer Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sumer Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Sumer Inc.. 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 Sumer Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2292525) is associated with this NPI, valid through June 18, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Sumer Inc. was last updated on November 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.