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DR. QUEELAN RATNESAR M.D.
NPI 1497880801
Internal Medicine in Hayward, CA

Active since February 23, 2007
27001 CALAROGA AVE, SUITE 5, HAYWARD, CA 94545(510) 783-6444(510) 783-6446 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Queelan Ratnesar M.d. NPPES

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

DR. QUEELAN RATNESAR M.D. (NPI 1497880801) is an individual internal medicine provider in Hayward, California, licensed in California (A034726) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1497880801
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. QUEELAN RATNESARCredential: M.D.
Location Address27001 CALAROGA AVE, SUITE 5Hayward, CA 94545-4345
Mailing Address27001 Calaroga Ave, Suite 5Hayward, CA 94545-4345 · (510) 783-6444 · Fax (510) 783-6446
Phone(510) 783-6444
Fax(510) 783-6446
Sole ProprietorYes
Enumeration DateFebruary 23, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1497880801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A034726
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.
27001 CALAROGA AVE, Hayward, CA 94545
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Other Identifiers 1

Medicare UPINA88224CA

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.

SAMMY T HUNG MD INC
Clinic/Center (Medical Specialty)
27001 CALAROGA AVE, STE 2
HAYWARD, CA 94545
Alameda County (510) 887-4033
EAST BAY SLEEP MEDICAL CENTER
Clinic/Center (Sleep Disorder Diagnostic)
27001 CALAROGA AVE, SUITE 1
HAYWARD, CA 94545
Alameda County (510) 670-0246
DR. IVAN Y LEE M.D.
Internal Medicine
27001 CALAROGA AVE, #5
HAYWARD, CA 94545
Alameda County (510) 783-6444
DR. SAMMY T HUNG MD
Internal Medicine (Pulmonary Disease)
27001 CALAROGA AVE, STE 2
HAYWARD, CA 94545
Alameda County (510) 887-4033

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 Queelan Ratnesar's NPI number?

The NPI number for Queelan Ratnesar is 1497880801. It was assigned to this individual provider in the NPPES registry on February 23, 2007.

Where is Queelan Ratnesar located?

Queelan Ratnesar practices at 27001 Calaroga Ave Suite 5, Hayward, CA 94545. The listed phone number is (510) 783-6444.

What is Queelan Ratnesar's specialty?

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

When was this NPI record last updated?

The NPPES record for Queelan Ratnesar 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.