Individual provider Active NPI

Matthew Stephen Klekman, MD

  • Anesthesiology Physician
  • Oakland, CA
National Provider Identifier
1376905869
Registry record updated May 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
MD197892 Issued in OR
Practice address
275 W Macarthur Blvd
Oakland, CA 94611-5641
Phone
(510) 752-6238
NPI assigned
Mar 23, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 27, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Anesthesiology Physician 207L00000X MD197892 OR Primary

Addresses

Primary practice location

275 W Macarthur Blvd
Oakland, CA 94611-5641

Mailing address

3600 Broadway FL 4
Suite 44
Oakland, CA 94611-5730
Phone (510) 752-7297

Other practice location 1

707 SW Washington St Ste 700
Portland, OR 97205-3523
Phone (503) 299-9906

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq Health Information Exchange (HIE) Southern California Permanente Medical Group

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220428001335 CA Practitioner - Anesthesiology 1254755135 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Tufts University School of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

5601 De Soto Ave
Woodland Hills, CA 91367-6701
Phone (818) 719-2000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group Inc Anesthesiology CurrentSince Jan 22, 2022 Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
Permanente Medical Group, Inc CurrentSince Jan 22, 2022 Accepting new patients
Southern California Permanente Medical Group CurrentSince Jan 28, 2025 Accepting new patients
Southern California Permanente Medical Group CurrentSince Jan 28, 2025 Accepting new patients
Permanente Medical Group Inc Anesthesiology Current Accepting new patients
Oag Trauma Services LLC Anesthesiology PastSince Aug 1, 2020 Accepting new patients
UCSF Medical Group Business Services PastSince Nov 21, 2021 Accepting new patients
University of California San Francisco Medical Center PastSince Nov 21, 2021 Accepting new patients

Locations

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

9333 Rosecrans Ave
Bellflower, CA 90706
Phone (562) 461-3340

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

3600 Broadway
Fl 4
Oakland, CA 94611
Phone (510) 752-1933

3600 Broadway
Oakland, CA 94611
Phone (510) 752-6238

393 E Walnut St
Fl 3
Pasadena, CA 91188
Phone (626) 405-7914

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

275 W MacArthur Blvd
Piedmont, CA 94611
Phone (510) 752-1375

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

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

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

888 S Hill Rd
Ventura, CA 93003
Phone (805) 477-6400

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

5601 De Soto Ave
Woodland Hls, CA 91367
Phone (818) 719-2000

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 and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1458691200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748304000000",
    "number": "1376905869",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3600 BROADWAY FL 4",
            "address_2": "SUITE 44",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115730",
            "telephone_number": "510-752-7297"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "275 W MACARTHUR BLVD",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115641",
            "telephone_number": "510-752-6238"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "707 SW Washington St Ste 700",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972053523",
            "country_code": "US",
            "telephone_number": "503-299-9906",
            "fax_number": "503-225-9002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLEKMAN",
        "first_name": "MATTHEW",
        "middle_name": "STEPHEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-23",
        "last_updated": "2025-05-27",
        "certification_date": "2022-05-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OR",
            "license": "MD197892",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "5601 De Soto Ave",
            "city": "Woodland Hills",
            "state": "CA",
            "country_code": "US",
            "postal_code": "913676701",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oakland, CA

Sources for this page

Verify at the official NPI Registry.