Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sonia Orellana Cahanap-Mercado, MD

Neonatal-Perinatal Medicine Physician in Rock Hill, SC · enumerated 2006.

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

National Provider Identifier

1629020441

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Registry record

Entity type Individual (Type 1)

Name Dr. Sonia Orellana Cahanap-Mercado

Credential MD

Sex Female

Practice address 222 S Herlong Avenue, Rock Hill, SC, 29732

Phone (803) 909-2041

Fax (803) 981-7438

Enumeration date May 17, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2080N0001X Neonatal-Perinatal Medicine Physician Allopathic & Osteopathic Physicians · License 22087 (SC) 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
T63339	Medicaid	SC	-

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

Where does Sonia Cahanap-Mercado practice?

The practice location on file with NPPES is in Rock Hill, SC. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Sonia Cahanap-Mercado?

The National Provider Identifier (NPI) for Sonia Cahanap-Mercado is 1629020441, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.