STOCKTON HEMATOLOGY ONCOLOGY MEDICAL GROUP, INC
NPI 1922175074
Specialist in Stockton, CA
About Stockton Hematology Oncology Medical Group, Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STOCKTON HEMATOLOGY ONCOLOGY MEDICAL GROUP, INC (NPI 1922175074) is a healthcare organization registered as a specialist in Stockton, California and active in the NPI registry since November 2006. The organization holds an CLIA Accreditation certificate valid through March 25, 2027 and lists Aminder S Mehdi, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stockton Hematology Oncology Medical Group, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
16Medicare enrollment records show 16 clinicians reassign Medicare billing to Stockton Hematology Oncology Medical Group, Inc, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 7 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 6
Clinicians, nearest first (16)
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 Accreditation 05D0690058
Stockton Hematology Oncology Med Group · Stockton, CAFrequently 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 Stockton Hematology Oncology Medical Group, Inc's NPI number?
The NPI number for Stockton Hematology Oncology Medical Group, Inc is 1922175074. It was assigned to this organization in the NPPES registry on November 30, 2006.
Where is Stockton Hematology Oncology Medical Group, Inc located?
Stockton Hematology Oncology Medical Group, Inc is located at 2626 N California St Ste B, Stockton, CA 95204. The listed phone number is (209) 466-2626.
What is Stockton Hematology Oncology Medical Group, Inc's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Stockton Hematology Oncology Medical Group, Inc enrolled in Medicare?
Yes. Stockton Hematology Oncology Medical Group, Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Stockton Hematology Oncology Medical Group, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 16 clinicians in 6 Medicare specialties reassign their Medicare billing to Stockton Hematology Oncology Medical Group, 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 Hematology/Oncology (6), Hematology (3) and Nurse Practitioner (3). Of these, 6 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Stockton Hematology Oncology Medical Group, Inc hold a CLIA laboratory certificate?
Yes. A Certificate of Accreditation (number 05D0690058) is associated with this NPI, valid through March 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Stockton Hematology Oncology Medical Group, Inc accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and Ambetter from Buckeye Health Plan and 25 other insurers list Stockton Hematology Oncology Medical Group, Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Stockton Hematology Oncology Medical Group, Inc was last updated on October 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Stockton Hematology Oncology Medical Group, Inc · NPI 1922175074
Specialist organization in Stockton, California. Organization record, active in the CMS NPPES registry since November 30, 2006.
## Identity
- **NPI:** 1922175074 (Entity type: Organization)
- **Enumerated:** November 30, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Aminder Mehdi, PRESIDENT
## Practice location
- **Address:** 2626 N CALIFORNIA ST STE B, Stockton, CA 95204-5500
- **Phone:** (209) 466-2626 · **Fax:** (209) 466-7153
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 16 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Hematology/Oncology (6), Hematology (3), Nurse Practitioner (3); 6 practice at this address and 7 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 30, 2013
- **Other identifiers:** Medicare NSC 6792110001 (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1922175074) · Data from the CMS NPPES public registry.