Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Atul Madan, MD
Surgery Physician in Orange, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588620363
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Registry record
Entity type Individual (Type 1)
Name Dr. Atul Madan
Credential MD
Sex Male
Practice address 1310 W Stewart Dr Ste 310, Orange, CA, 92868
Phone (562) 270-5411
Fax (424) 248-0985
Enumeration date Apr 21, 2006
Last updated in NPPES Apr 15, 2025
Taxonomy & licenses
2083B0002X Obesity Medicine (Preventive Medicine) Physician Allopathic & Osteopathic Physicians · License C53803 (CA) Secondary
2086P0122X Physician Nutrition Specialist (Surgery) Allopathic & Osteopathic Physicians · License C53803 (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 |
|---|---|---|---|
| 3876107 | Medicaid | TN | - |
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.
Frequently asked questions
Where does Atul Madan practice?
The practice location on file with NPPES is in Orange, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Atul Madan?
The National Provider Identifier (NPI) for Atul Madan is 1588620363, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-15.