Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Iris Ivette Perez-Greene, NP

Family Nurse Practitioner in Olney, MD · enumerated 2007.

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

National Provider Identifier

1538212378

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Registry record

Entity type Individual (Type 1)

Name Mrs. Iris Ivette Perez-Greene

Credential NP

Sex Female

Practice address 18109 Prince Philip Dr, Suite 225, Olney, MD, 20832

Phone (301) 774-5810

Fax (301) 774-0188

Enumeration date Jan 18, 2007

Last updated in NPPES Oct 24, 2007

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R093718 (MD) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
CD0361	Other	MD	RAILROAD MEDICARE GROUP
066M	Other	MD	MEDICARE GROUP
409629	Other	DC	MEDICARE GROUP
066MQ065	Other	MD	INDIV MEDICARE

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 is the NPI number for Iris Perez-Greene?

The National Provider Identifier (NPI) for Iris Perez-Greene is 1538212378, a Type 1 (individual) record in the CMS NPPES registry.

Where does Iris Perez-Greene practice?

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

Other providers at this practice address

Browse all →

Edward Taubman Internal Medicine Physician · Olney, MD NPI 1407859085 Robert Fields Internal Medicine Physician · Olney, MD NPI 1578563292 Jane Daly Oral and Maxillofacial Surgery (Dentist) · Olney, MD NPI 1245215193 John Mennitt Oral and Maxillofacial Surgery (Dentist) · Olney, MD NPI 1316922263 Jonathan Klontz Pediatrics Physician · Olney, MD NPI 1730150418 Elaine Lee Pediatrics Physician · Olney, MD NPI 1720059595 Cheryl Dias Pediatrics Physician · Olney, MD NPI 1346211042 Steven Shimoura Otolaryngology Physician · Olney, MD NPI 1457314981

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-24.