Active NPI
Maxim Lee Ritzenberg, M.D.
- Emergency Medicine Physician
- San Francisco, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 128625
- Practice address
- 505 Parnassus Ave
Room M24
San Francisco, CA 94143-0208 - Phone
- (415) 742-1264
- NPI assigned
- Mar 28, 2012
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 128625 | CA | Primary |
Addresses
Primary practice location
505 Parnassus Ave
Room M24
San Francisco, CA 94143-0208
Mailing address
505 Parnassus Ave
Room M24
San Francisco, CA 94143-0208
Phone (415) 742-1264
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
- Emergency Medicine
- Education
- Columbia University College of Physicians and Surgeons, 2012
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1310 El Camino Real
Suite I J
San Bruno, CA 94066-1305
Phone (650) 270-2395
199 W Portal Ave
San Francisco, CA 94127-1305
Phone (415) 821-8798
2288 Market St
San Francisco, CA 94114-1506
Phone (415) 964-4855
2395 Lombard St
San Francisco, CA 94123-2601
Phone (415) 796-2242
2895 Diamond St
San Francisco, CA 94131-3004
Phone (415) 964-4866
325 Gellert Blvd
Daly City, CA 94015-2613
Phone (650) 270-2394
3838 California St
RM 111
San Francisco, CA 94118-1504
Phone (415) 221-6476
3900 Piedmont Ave
Oakland, CA 94611-5352
Phone (415) 432-7899
747 52ND St
Oakland, CA 94609-1809
Phone (510) 428-3000
750 Redwood Hwy Frontage Rd
Suite 1204
Mill Valley, CA 94941-2483
Phone (415) 384-4778
750 S Bascom Ave
Vly HLTH Cen Bascom
San Jose, CA 95128-2603
Phone (408) 885-5000
830 Jefferson Ave
Redwood City, CA 94063-1804
Phone (650) 381-0616
Hospital & facility affiliations
- Zuckerberg San Francisco General Hosp & Trauma Ctr
Merit-based Incentive Payment System (MIPS)
- Final score
- 97.28 of 100
- Quality
- 89.92
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 78.23
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Permanente Medical Group, Inc | Current | Accepting new patients | |
| University of California SFGH Medical Group | Current | Accepting new patients | |
| UCSF Health Medical Foundation | Current | Accepting new patients | |
| City & County of San Francisco | Current | Accepting new patients | |
| University of California SFGH Medical Group | Current | Accepting new patients | |
| Emergency Physicians Associates Fremont PC | Emergency Medicine | Current | Accepting new patients |
| City & County of San Francisco | Current | Accepting new patients | |
| Permanente Medical Group Inc | Emergency Medicine | Current | Accepting new patients |
| Emergency Physicians Associates San Jose PC | Emergency Medicine | Current | Accepting new patients |
| County of Santa Clara | Current | Accepting new patients | |
| City and County of San Francisco | Current | Accepting new patients | |
| University of California SFGH Medical Group | Emergency Medicine | Current | Accepting new patients |
| County of Santa Clara | Current | Accepting new patients | |
| Permanente Medical Group Inc | Emergency Medicine | Current | Accepting new patients |
| County of Santa Clara | Current | Accepting new patients |
Locations (25 of 29)
750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131
2000 Mowry Ave
Fremont, CA 94538
Phone (510) 793-6653
4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738
7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400
900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014
747 52nd St
Oakland, CA 94609
Phone (510) 428-3070
101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109
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
2401 Keith St
San Francisco, CA 94124
Phone (415) 671-7000
1001 Potrero Ave
Ste 7M8
San Francisco, CA 94110
Phone (415) 206-3325
505 Parnassus Ave
Rm M24
San Francisco, CA 94143
Phone (415) 353-1529
2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000
2895 Diamond St
San Francisco, CA 94131
Phone (415) 964-4866
1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305
1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753
3838 California St
Rm 111
San Francisco, CA 94118
Phone (415) 221-6476
250 Hospital Pkwy
San Jose, CA 95119
Phone (408) 972-6320
750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320
500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433
2105 Forest Ave
San Jose, CA 95128
Phone (408) 947-2500
751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110
1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320
710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400
Organizations & group practices 15
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.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- San Jose, CA
- NPI 1699885079
-
- Multi-Specialty Clinic/Center
- Oakland, CA
- NPI 1922124866
-
- Clinical Medical Laboratory
- San Francisco, CA
- NPI 1982737524
-
- Emergency Medicine Physician
- Fremont, CA
- NPI 1790250967
-
- Emergency Medicine Physician
- San Jose, CA
- NPI 1306311576
-
- Internal Medicine Physician
- Santa Clara, CA
- NPI 1073606299
Emergency Medicine
-
- Anesthesiology Physician
- San Francisco, CA
- NPI 1366417420
-
- Community Health/Public Health Clinical Nurse Specialist
- San Francisco, CA
- NPI 1609041060
-
- Methadone Clinic
- San Francisco, CA
- NPI 1578787925
-
- Federally Qualified Health Center (FQHC)
- Milpitas, CA
- NPI 1285629899
-
- Pharmacy
- San Jose, CA
- NPI 1891871919
-
- Internal Medicine Physician
- Redwood City, CA
- NPI 1639252604
Emergency Medicine
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- San Francisco, CA
- NPI 1083648810
-
- General Acute Care Hospital
- San Francisco, CA
- NPI 1164609962
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1332892800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1438905600000",
"number": "1669748158",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "505 PARNASSUS AVE",
"address_2": "ROOM M24",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941430208",
"telephone_number": "415-742-1264"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "505 PARNASSUS AVE",
"address_2": "ROOM M24",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941430208",
"telephone_number": "415-742-1264"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RITZENBERG",
"first_name": "MAXIM",
"middle_name": "LEE",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2012-03-28",
"last_updated": "2015-08-07",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "CA",
"license": "128625",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Francisco, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 2015; 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.