Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Adam Paul Carter Warren, MD, MPH

Orthopaedic Trauma Physician in Oakland, CA · enumerated 2009.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1205164761

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Registry record

Entity type Individual (Type 1)

Name Dr. Adam Paul Carter Warren

Credential MD, MPH

Sex Male

Practice address 5700 Telegraph Ave Ste 100, Oakland, CA, 94609

Phone (877) 400-0128

Fax (510) 400-5118

Enumeration date Nov 20, 2009

Last updated in NPPES Nov 6, 2025

Taxonomy & licenses

207XX0801X Orthopaedic Trauma Physician Allopathic & Osteopathic Physicians · License A103633 (CA) Primary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License MD446107 (PA) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License A103633 (CA) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
055447200	Medicaid	MD	-
1610980	Other	PA	GATEWAY
30120394	Other	PA	AMERIHEALTH MERCY - WMG
418504	Other	PA	UPMC
2716643	Other	PA	HIGHMARK BLUE SHIELD
102733306	Medicaid	PA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Adam Warren?

Adam Warren is registered in NPPES with the primary taxonomy of Orthopaedic Trauma Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Bay Area Comprehensive Spine and Sports Medical Group Inc Sports Medicine (Physical Medicine & Rehabilitation) Physician · Oakland, CA NPI 1205928645 Darren Guillaume Surgical Physician Assistant · Oakland, CA NPI 1114088671 Adam Warren MD Inc, A Professional Corporation Orthopaedic Trauma Physician · Oakland, CA NPI 1659774495

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-06.