Active NPI
Lawrence Leung, MD
- Gastroenterology Physician
- Ann Arbor, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- 4301514537
- Practice address
- 1500 E Medical Center Dr
Ann Arbor, MI 48109-5000 - Phone
- (734) 936-4000
- NPI assigned
- Apr 15, 2019
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Gastroenterology Physician | 207RG0100X | 4301514537 | MI | Primary |
Addresses
Primary practice location
1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Mailing address
3621 S State St
Ann Arbor, MI 48108-1633
Phone (734) 647-5299
Other practice location 1
2425 Geary Blvd
San Francisco, CA 94115-3358
Phone (650) 243-7019
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Gastroenterology
- Education
- University of Vermont College of Medicine, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
7500 Challis Rd
Brighton, MI 48116-9416
Phone (810) 263-4000
Hospital & facility affiliations
- University of Michigan Health System
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 23 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 4301514537 | MI | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the University of Michigan | Current | Accepting new patients | |
| Regents of the University of Michigan | Gastroenterology | Current | Accepting new patients |
| Permanente Medical Group Inc | Current | Accepting new patients | |
| Permanente Medical Group, Inc | Current | Accepting new patients | |
| Permanente Medical Group Inc | Current | Accepting new patients | |
| Regents of the University of Michigan | Current | Accepting new patients | |
| Regents of the University of Michigan | Past | Accepting new patients |
Locations
750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131
4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738
900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014
101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109
5820 Owens Dr
Bldg E
Pleasanton, CA 94588
Phone (925) 737-3785
1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015
901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500
930 W Main St
Ripon, CA 95366
Phone (209) 599-4221
501 J St
Sacramento, CA 95814
Phone (916) 497-3000
2425 Geary Blvd
San Francisco, CA 94115
Phone (415) 833-2200
2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000
2350 Geary Blvd
San Francisco, CA 94115
Phone (415) 833-3800
710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400
5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700
7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000
975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000
320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834
3621 S State St
Ann Arbor, MI 48108
Phone (734) 647-5229
1500 E Medical Center Dr
#D
Ann Arbor, MI 48109
Phone (734) 936-5823
1500 E Medical Center Dr
Ann Arbor, MI 48109
Phone (734) 936-4280
8001 Challis Rd
Brighton, MI 48116
Phone (810) 227-9510
7500 Challis Rd
Brighton, MI 48116
Phone (734) 764-4190
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Ann Arbor, MI
- NPI 1205868353
-
- Internal Medicine Physician
- Santa Clara, CA
- NPI 1073606299
-
- Gastroenterology Physician
- Ann Arbor, MI
- NPI 1801827639
-
- Specialty Pharmacy
- Dexter, MI
- NPI 1952181919
-
- Internal Medicine Physician
- Stockton, CA
- NPI 1548343510
-
- Clinical Medical Laboratory
- San Jose, CA
- NPI 1497971584
-
- General Acute Care Hospital
- Ann Arbor, MI
- NPI 1003878539
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Ann Arbor, MI
- NPI 1003878539
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1555286400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751241600000",
"number": "1275196370",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3621 S STATE ST",
"city": "ANN ARBOR",
"state": "MI",
"postal_code": "481081633",
"telephone_number": "734-647-5299"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1500 E MEDICAL CENTER DR",
"city": "ANN ARBOR",
"state": "MI",
"postal_code": "481095000",
"telephone_number": "734-936-4000"
}
],
"practiceLocations": [
{
"address_1": "2425 Geary Blvd",
"address_purpose": "LOCATION",
"city": "San Francisco",
"state": "CA",
"postal_code": "941153358",
"country_code": "US",
"telephone_number": "650-243-7019",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LEUNG",
"first_name": "LAWRENCE",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-04-15",
"last_updated": "2025-06-30",
"certification_date": "2025-06-30",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "MI",
"license": "4301514537",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Ann Arbor, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 2025; 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.