Individual provider Active NPI

Adam Paul Carter Warren, MD, MPH

  • Orthopaedic Trauma Physician
  • Oakland, CA
National Provider Identifier
1205164761
Registry record updated Nov 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Trauma PhysicianTaxonomy code 207XX0801X
License
A103633 Issued in CA
Practice address
5700 Telegraph Ave Ste 100
Oakland, CA 94609-1710
Phone
(877) 400-0128
Fax
(510) 400-5118
NPI assigned
Nov 20, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 6, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Trauma Physician 207XX0801X A103633 CA Primary
Orthopaedic Surgery Physician 207X00000X MD446107 PA
Orthopaedic Surgery Physician 207X00000X A103633 CA

Addresses

Primary practice location

5700 Telegraph Ave Ste 100
Oakland, CA 94609-1710

Mailing address

4096 Piedmont Ave # 301
Oakland, CA 94611-5221
Phone (877) 400-0128

Other practice location 1

4053 Lone Tree Way
Antioch, CA 94531-6210
Phone (510) 204-1844

Other identifiers 6

IdentifierTypeStateIssuer
055447200MedicaidMD
1610980OtherPAGATEWAY
30120394OtherPAAMERIHEALTH MERCY - WMG
418504OtherPAUPMC
2716643OtherPAHIGHMARK BLUE SHIELD
102733306MedicaidPA

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
I20131025001562 CA Practitioner - Orthopedic Surgery 9537315817 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Stanford University School of Medicine, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orion Orthopaedic Trauma IncGroup PAC ID 0345562005, 4 clinicians
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

1335 Coffee Rd
Suite 100
Modesto, CA 95355-3192
Phone (209) 524-4649

2450 Ashby Ave
Berkeley, CA 94705-2067
Phone (510) 204-4444

3200 Kearney St
Fremont, CA 94538-2299
Phone (510) 490-1222

350 Hawthorne Ave
Oakland, CA 94609-3108
Phone (510) 655-4000

3901 Lone Tree Way
Antioch, CA 94509-6200
Phone (650) 845-7649

5700 Telegraph Ave
Suite 100
Oakland, CA 94609-1710
Phone (510) 400-5117

795 El Camino Real
Palo Alto, CA 94301-2302
Phone (415) 600-1020

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement1-10
Knee replacement1-10
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
103633CAMDMental Health Counselor
A103633CAMDOrthopaedic Trauma Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Stanislaus Current Accepting new patients
Northbay Healthcare Group Current Accepting new patients
Sutter Bay Medical Foundation CurrentSince Nov 3, 2025 Accepting new patients
Adam Warren MD Inc, a Professional Corporation Orthopaedic Trauma CurrentSince Sep 1, 2014 Accepting new patients
County of Stanislaus CurrentSince Nov 1, 2014 Accepting new patients
Orion Orthopaedic Trauma, Inc Orthopaedic Trauma CurrentSince Feb 1, 2017 Accepting new patients
County of Stanislaus CurrentSince Nov 1, 2014 Accepting new patients
Northbay Healthcare Group CurrentSince Oct 1, 2017 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Nov 3, 2025 Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients
Golden State Orthopedics & Spine Orthopaedic Surgery Past Accepting new patients
York Hospital Past Accepting new patients
Doctors Medical Center of Modesto, Inc. Past Accepting new patients

Locations (25 of 29)

4053 Lone Tree Way
Antioch, CA 94531
Phone (925) 756-3400

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

20990 Redwood Rd
Castro Valley, CA 94546
Phone (510) 886-8033

2 Fifer Ave
Ste 130
Corte Madera, CA 94925
Phone (415) 728-5791

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

1200 B Gale Wilson Blvd
Fairfield, CA 94533
Phone (707) 429-3600

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

1524 McHenry Ave
Ste 300
Modesto, CA 95350
Phone (209) 527-0615

1335 Coffee Rd
Ste 100
Modesto, CA 95355
Phone (209) 524-4438

1524 McHenry Ave
Ste 330
Modesto, CA 95350
Phone (209) 558-7085

1441 Florida Ave
Modesto, CA 95350
Phone (209) 214-7235

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

5700 Telegraph Ave
#100
Oakland, CA 94609
Phone (510) 400-5117

4096 Piedmont Ave
Oakland, CA 94611
Phone (510) 874-1415

5700 Telegraph Ave
Ste 100
Oakland, CA 94609
Phone (510) 463-4700

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

15035 E 14th St
Ste 1901
San Leandro, CA 94578

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

Interoperability endpoints

  • Direct secure messaging: awarren200244@hisp.ehr.sutterhealth.org
  • Direct secure messaging: awarren14652@alamedahs.direct-ci.com

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 6

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": "1258675200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762387200000",
    "number": "1205164761",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4096 PIEDMONT AVE # 301",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115221",
            "telephone_number": "877-400-0128",
            "fax_number": "510-400-5118"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5700 TELEGRAPH AVE STE 100",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946091710",
            "telephone_number": "877-400-0128",
            "fax_number": "510-400-5118"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4053 Lone Tree Way",
            "address_purpose": "LOCATION",
            "city": "Antioch",
            "state": "CA",
            "postal_code": "945316210",
            "country_code": "US",
            "telephone_number": "510-204-1844",
            "fax_number": "925-506-7728",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WARREN",
        "first_name": "ADAM",
        "middle_name": "PAUL CARTER",
        "name_prefix": "Dr.",
        "credential": "MD, MPH",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-11-20",
        "last_updated": "2025-11-06",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0801X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Orthopaedic Trauma",
            "state": "CA",
            "license": "A103633",
            "primary": true
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "PA",
            "license": "MD446107",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "A103633",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "055447200",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GATEWAY",
            "identifier": "1610980",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIHEALTH MERCY - WMG",
            "identifier": "30120394",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UPMC",
            "identifier": "418504",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK BLUE SHIELD",
            "identifier": "2716643",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "102733306",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Oakland, CA

Sources for this page

Verify at the official NPI Registry.