CHAITANYA N. MAHIDA M.D., INC
NPI 1528226495
Internal Medicine in Oakdale, CA

Q: What is Chaitanya N. Mahida M.D., Inc's NPI number?

The NPI number for Chaitanya N. Mahida M.D., Inc is 1528226495. It was assigned to this organization in the NPPES registry on May 28, 2008.

Q: What is Chaitanya N. Mahida M.D., Inc's specialty?

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

Active since May 28, 2008CLIA 05D0863917 · Waiver

1425 W H ST, SUITE 380, OAKDALE, CA 95361(209) 847-0314 Get Directions Write a Review

NPPES record last updated: May 28, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Chaitanya N. Mahida M.d., Inc NPPES

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

CHAITANYA N. MAHIDA M.D., INC (NPI 1528226495) is a healthcare organization registered as an internal medicine in Oakdale, California and active in the NPI registry since May 2008. The organization holds a CLIA Waiver certificate valid through August 31, 2028 and lists Chaitanya N Mahida, President, as its authorized official.

NPPES Registry Identity

NPI1528226495

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameCHAITANYA N. MAHIDA M.D., INC

Location Address1425 W H ST, SUITE 380Oakdale, CA 95361-3588

Mailing Address1425 W H St, Suite 380Oakdale, CA 95361-3588 · (209) 847-0314

Phone(209) 847-0314

Organization SubpartNo

Authorized OfficialChaitanya N MahidaPresident · (209) 847-0314

Enumeration DateMay 28, 2008

✔ NPI 1528226495 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 · A48275

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.

1425 W H ST, Oakdale, CA 95361

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chaitanya N. Mahida M.d., Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateCaliforniaEnrollment IDO20081217000289Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Chaitanya N. Mahida M.D., Inc, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Upinder Basi, MD

Internal Medicine

NPI 1891782009

1425 W H ST STE 380
Oakdale, CA 95361

(209) 847-0314

✔ PECOS✔ Accepts Medicare11 mi

Chaitanya Mahida, M.D.

Internal Medicine

NPI 1639189616

1425 WEST H ST. #380
Oakdale, CA 95361

(209) 847-0314

✔ PECOS✔ Accepts Medicare

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 05D0863917

Chaitanya N Mahida, MD Inc · Oakdale, CA

Active · expires Aug 31, 2028

CLIA Number05D0863917

Laboratory TypePhysician Office

Certificate Effective DateSeptember 1, 2026

Certificate Expiration DateAugust 31, 2028

Laboratory DirectorChaitanya Mahida, MD

Laboratory Phone(209) 847-0314

Laboratory LocationChaitanya N Mahida, MD Inc1425 West H Street #380, Oakdale, CA 95361

CLIA data matches this NPI record on: Address 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 Chaitanya N. Mahida M.D., Inc's NPI number?

The NPI number for Chaitanya N. Mahida M.D., Inc is 1528226495. It was assigned to this organization in the NPPES registry on May 28, 2008.

Where is Chaitanya N. Mahida M.D., Inc located?

Chaitanya N. Mahida M.D., Inc is located at 1425 W H St Suite 380, Oakdale, CA 95361. The listed phone number is (209) 847-0314.

What is Chaitanya N. Mahida M.D., Inc's specialty?

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

Is Chaitanya N. Mahida M.D., Inc enrolled in Medicare?

Yes. Chaitanya N. Mahida M.D., Inc is registered in the Medicare PECOS enrollment system.

When is Chaitanya N. Mahida M.D., Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Chaitanya N. Mahida M.D., Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to Chaitanya N. Mahida M.D., 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 Chaitanya N. Mahida M.D., Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0863917) is associated with this NPI, valid through August 31, 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 Chaitanya N. Mahida M.D., Inc was last updated on May 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.