Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ian Mark Ratner, M.D.

Neonatal-Perinatal Medicine Physician in Richardson, TX · enumerated 2006.

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

National Provider Identifier

1063476224

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Registry record

Entity type Individual (Type 1)

Name Ian Mark Ratner

Credential M.D.

Sex Male

Practice address 3001 E President George Bush Hwy, Suite 250, Richardson, TX, 75082

Phone (214) 343-6663

Fax (214) 343-2814

Enumeration date Apr 14, 2006

Last updated in NPPES Jul 12, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License G7314 (TX) Secondary

2080N0001X Neonatal-Perinatal Medicine Physician Allopathic & Osteopathic Physicians · License G7314 (TX) Primary

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
G7314	Other	TX	LICENSE

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Ian Ratner?

Ian Ratner is registered in NPPES with the primary taxonomy of Neonatal-Perinatal Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-12.