Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark-Robert Oluseyi Ishola Mahaga-Ajala, DO

Obstetrics & Gynecology Physician in Morristown, NJ · enumerated 2018.

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

National Provider Identifier

1619471513

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark-Robert Oluseyi Ishola Mahaga-Ajala

Credential DO

Sex Male

Practice address 100 Madison Ave, Morristown, NJ, 07960

Phone (973) 971-5000

Enumeration date Mar 23, 2018

Last updated in NPPES Mar 23, 2018

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 0000000000000000000 (NJ) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
0000000000000	Other	-	000000000000000000000000

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

Where does Mark-Robert Mahaga-Ajala practice?

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

What is the NPI number for Mark-Robert Mahaga-Ajala?

The National Provider Identifier (NPI) for Mark-Robert Mahaga-Ajala is 1619471513, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-03-23.