1. Home
  2. Directory
  3. California
  4. Stockton
  5. Internal Medicine
  6. NPI Profile

GILL MEDICAL ASSOCIATES, INC.
NPI 1578149076
Internal Medicine in Stockton, CA

Active since March 23, 2021CLIA 05D0609324 · Waiver
1503 E MARCH LN STE A, STOCKTON, CA 95210(209) 446-4455 Get Directions Write a Review

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

Record update history: Apr 28, 2026, Apr 21, 2026, Sep 16, 2021 and 3 more (6 updates tracked since 2021).

About Gill Medical Associates, Inc. NPPES

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

GILL MEDICAL ASSOCIATES, INC. (NPI 1578149076) is a healthcare organization registered as an internal medicine in Stockton, California and active in the NPI registry since March 2021. The organization holds a CLIA Waiver certificate valid through August 31, 2028 and lists Vickramjit Gill, Ceo, as its authorized official.

NPPES Registry Identity

NPI1578149076
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGILL MEDICAL ASSOCIATES, INC.
Location Address1503 E MARCH LN STE AStockton, CA 95210-5622
Mailing AddressPo Box 1434Lodi, CA 95241-1434 · (209) 334-1800
Phone(209) 446-4455
Organization SubpartNo
Authorized OfficialVickramjit GillCeo · (209) 334-1800
Enumeration DateMarch 23, 2021
Last NPPES UpdateApril 28, 20266 updates tracked since enumeration
NPPES CertifiedApril 28, 2026
✔ NPI 1578149076 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedFamily MedicineTaxonomy 207Q00000X
1503 E MARCH LN STE A, Stockton, CA 95210
Open in Google Maps ↗

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)

Gill Medical Associates, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Gill Medical Associates, Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address and 7 within 10 miles. They are listed nearest first.

Clinicians, nearest first (9)

Albina Benabaye, M.D.
Internal Medicine
NPI 1346239613
1503 E MARCH LN
Stockton, CA 95210
(209) 462-7277
✔ PECOSSame address
Teresa Magana, FNP
Nurse Practitioner
NPI 1891884334
1503 E MARCH LN STE A
Stockton, CA 95210
(209) 462-7277
✔ PECOS✔ Accepts MedicareSame address
Amrik Sidhu, M.D.
Family Practice
NPI 1073618500
1503 E MARCH LN
Stockton, CA 95210
(209) 462-7277
✔ PECOSSame address
Xing-Jian Lu, MD
Internal Medicine
NPI 1023180833
7373 WEST LN
Stockton, CA 95210
(209) 476-2000
✔ PECOS✔ Accepts Medicare1.1 mi
Vincent Pennisi, MD
Internal Medicine
NPI 1306375662
1805 N CALIFORNIA ST STE 406
Stockton, CA 95204
(209) 227-7806
✔ PECOS✔ Accepts Medicare2.2 mi
Angelina Kaisarieh, MD
Family Practice
NPI 1477562486
123 S COMMERCE ST SUITE D
Stockton, CA 95202
(209) 467-6825
✔ PECOS✔ Accepts Medicare3.6 mi
Dominic Pennisi, M.D.
Internal Medicine
NPI 1548703036
832 S FAIRMONT AVE
Lodi, CA 95240
(209) 365-9331
✔ PECOS8.3 mi
Lakhwinder Sidhu
Nurse Practitioner
NPI 1407745227
330 NORTHGATE DR
Manteca, CA 95336
(209) 624-5288
✔ PECOS✔ Accepts Medicare13 mi
Humayun Popal, FNP
Nurse Practitioner
NPI 1831773498
101 BODIN CIR
Travis Afb, CA 94535
(707) 423-5498
✔ PECOS✔ Accepts Medicare41 mi

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 05D0609324

Gill Medical Associates Inc · Stockton, CA
Active · expires Aug 31, 2028
CLIA Number05D0609324
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorParampal K. Gill
Laboratory Phone(209) 446-4455
Laboratory LocationGill Medical Associates Inc1503 E March Ln Ste A, Stockton, CA 95210
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 Gill Medical Associates, Inc.'s NPI number?

The NPI number for Gill Medical Associates, Inc. is 1578149076. It was assigned to this organization in the NPPES registry on March 23, 2021.

Where is Gill Medical Associates, Inc. located?

Gill Medical Associates, Inc. is located at 1503 E March Ln Ste A, Stockton, CA 95210. The listed phone number is (209) 446-4455.

What is Gill Medical Associates, Inc.'s specialty?

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

Is Gill Medical Associates, Inc. enrolled in Medicare?

Yes. Gill Medical Associates, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gill Medical Associates, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 3 Medicare specialties reassign their Medicare billing to Gill Medical Associates, 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. The largest specialties are Internal Medicine (4), Nurse Practitioner (3) and Family Practice (2). Of these, 3 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gill Medical Associates, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0609324) 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 Gill Medical Associates, Inc. was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.