Active NPI
Khaleeq Hussain Siddiqui, M.D.
- Gastroenterology Physician
- Stockton, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- C161602
- Practice address
- 782 E Harding Way
Stockton, CA 95204-6101 - Phone
- (209) 546-5200
- Fax
- (209) 466-1982
- NPI assigned
- Aug 17, 2011
- Last updated
- Feb 19, 2026
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | C161602 | CA | |
| Gastroenterology Physician | 207RG0100X | C161602 | CA | Primary |
Addresses
Primary practice location
782 E Harding Way
Stockton, CA 95204-6101
Mailing address
3400 Data Dr
Attention: Credentialing and Payer Enrollment Dept
Rancho Cordova, CA 95670
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- Other, 2009
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
782 E Harding Way
Stockton, CA 95204-6101
Phone (209) 546-5200
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.77 of 100
- Quality
- 81.54
- Promoting interoperability
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 70 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 89 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C161602 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Adventist Health Physicians Network | Multi-Specialty | Current | Accepting new patients |
| Adventist Health Physicians Network | Current | Accepting new patients | |
| Lodi Memorial Hospital Association Inc | Multi-Specialty | Current | Accepting new patients |
| Adventist Health Physicians Network | Current | Accepting new patients | |
| Dignity Health Medical Foundation | Multi-Specialty | Current | Accepting new patients |
| Lodi Memorial Hospital Association, Inc | Multi-Specialty | Current | Accepting new patients |
| Dignity Health Medical Foundation | Multi-Specialty | Current | Accepting new patients |
| Inpatient Specialists of California, PC | Multi-Specialty | Current | Accepting new patients |
Locations
621 S Ham Ln
Ste A
Lodi, CA 95242
Phone (209) 334-8514
975 S Fairmont Ave
Lodi, CA 95240
Phone (209) 339-7575
999 S Fairmont Ave
Ste 50
Lodi, CA 95240
Phone (209) 334-8509
3400 Data Dr
Rncho Cordova, CA 95670
Phone (916) 379-2726
1800 N California St
Stockton, CA 95204
Phone (209) 467-6400
1901 N California St
Stockton, CA 95204
Phone (209) 946-6800
782 E Harding Way
Stockton, CA 95204
Phone (209) 475-5500
Organizations & group practices 9
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Mercy Medical Group, a service of Dignity Health Medical Foundation
- Multi-Specialty Clinic/Center
- Sacramento, CA
- NPI 1700803418
-
- Multi-Specialty Clinic/Center
- Hanford, CA
- NPI 1063718583
-
- Internal Medicine Physician
- San Bernardino, CA
- NPI 1952792475
Multi-Specialty
-
dba Lodi Memorial Community Clinic - Iris
- Primary Care Clinic/Center
- Lodi, CA
- NPI 1861649352
Multi-Specialty
-
- Physical Therapy Clinic/Center
- Paradise, CA
- NPI 1134092190
-
- Urgent Care Clinic/Center
- Sonora, CA
- NPI 1811675754
-
dba Dignity Health Medical Group - Stockton, a service of Dignity Health M
- Multi-Specialty Clinic/Center
- Stockton, CA
- NPI 1861410581
-
dba Dignity Health Medical Group - North State, a service of Dignity Healt
- Multi-Specialty Clinic/Center
- Redding, CA
- NPI 1912288432
-
dba Lodi Memorial Hospital
- General Acute Care Hospital
- Lodi, CA
- NPI 1316938301
Multi-Specialty
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Lodi Memorial Hospital
- General Acute Care Hospital
- Lodi, CA
- NPI 1316938301
-
- Critical Access Hospital
- San Andreas, CA
- NPI 1508968819
-
dba St. Joseph's Medical Center of Stockton
- General Acute Care Hospital
- Stockton, CA
- NPI 1528190931
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1313539200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771459200000",
"number": "1174803563",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3400 DATA DR",
"address_2": "ATTENTION: CREDENTIALING AND PAYER ENROLLMENT DEPT",
"city": "RANCHO CORDOVA",
"state": "CA",
"postal_code": "95670"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "782 E HARDING WAY",
"city": "STOCKTON",
"state": "CA",
"postal_code": "952046101",
"telephone_number": "209-546-5200",
"fax_number": "209-466-1982"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SIDDIQUI",
"first_name": "KHALEEQ",
"middle_name": "HUSSAIN",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2011-08-17",
"last_updated": "2026-02-19",
"certification_date": "2026-02-19",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "C161602",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "CA",
"license": "C161602",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Stockton, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.