Active NPI
John Williston Harris, M.D.
- Infectious Disease Physician
- Burbank, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- A137473
- Practice address
- 501 S Buena Vista St
Burbank, CA 91505-4809 - Phone
- (818) 500-0935
- Fax
- (818) 500-0728
- NPI assigned
- Feb 22, 2011
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Infectious Disease Physician | 207RI0200X | A137473 | CA | Primary |
Addresses
Primary practice location
501 S Buena Vista St
Burbank, CA 91505-4809
Mailing address
4400 W Riverside Dr Ste 110-440
Burbank, CA 91505-4046
Phone (818) 500-0935
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| GR0007180 | Medicaid | CA |
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
- Infectious Disease
- Education
- Other, 2008
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
201 S Buena Vista St
Suite 440
Burbank, CA 91505-4577
Phone (818) 500-0935
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 75 of 100
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A137473 | CA | MD | Infectious Disease Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Infectious Disease Consultants Med GP | Infectious Disease | Current | Accepting new patients |
| Lenox Hill Hospital | Past | Accepting new patients | |
| Providence Health System - Southern California | Past | Accepting new patients |
Locations
501 S Buena Vista St
Burbank, CA 91505
Phone (818) 783-0800
4400 W Riverside Dr
Ste 110440
Burbank, CA 91505
201 S Buena Vista St
Ste 440
Burbank, CA 91505
Phone (818) 500-0935
435 Arden Ave
Ste 350
Glendale, CA 91203
Phone (818) 247-7447
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 3
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.
-
- Infectious Disease Physician
- Burbank, CA
- NPI 1013947712
-
- General Acute Care Hospital
- Burbank, CA
- NPI 1336173269
-
- General Acute Care Hospital
- New York, NY
- NPI 1477616571
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Burbank, CA
- NPI 1336173269
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1298332800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1763942400000",
"number": "1356648703",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4400 W RIVERSIDE DR STE 110-440",
"city": "BURBANK",
"state": "CA",
"postal_code": "915054046",
"telephone_number": "818-500-0935",
"fax_number": "818-500-0728"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "501 S BUENA VISTA ST",
"city": "BURBANK",
"state": "CA",
"postal_code": "915054809",
"telephone_number": "818-500-0935",
"fax_number": "818-500-0728"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HARRIS",
"first_name": "JOHN",
"middle_name": "WILLISTON",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2011-02-22",
"last_updated": "2025-11-24",
"certification_date": "2025-11-24",
"status": "A"
},
"taxonomies": [
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "CA",
"license": "A137473",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "GR0007180",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Burbank, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 24, 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.