Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kimberly Ann Ocallaghan, NP

Internal Medicine Physician in Jamaica Plain, MA · enumerated 2006 · practices at Urban Medical Group.

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

National Provider Identifier

1881660561

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Registry record

Entity type Individual (Type 1)

Name Kimberly Ann Ocallaghan

Credential NP

Sex Female

Practice address 545a Centre St, Jamaica Plain, MA, 02130

Phone (617) 477-4929

Fax (617) 522-0903

Enumeration date Feb 23, 2006

Last updated in NPPES Jan 31, 2013

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 167499 (MA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 167499 (MA) 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
0321451	Medicaid	MA	-
NP0604	Other	-	BLUE SHIELD
83-01261	Other	-	EVERCARE
P00456876	Other	-	RAILROAD 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

Where does Kimberly Ocallaghan practice?

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

What is the NPI number for Kimberly Ocallaghan?

The National Provider Identifier (NPI) for Kimberly Ocallaghan is 1881660561, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Roger Mark Internal Medicine Physician · Jamaica Plain, MA NPI 1326037219 Fadi Badlissi Rheumatology Physician · Jamaica Plain, MA NPI 1134118714 Yana Antonellis Nurse Practitioner · Jamaica Plain, MA NPI 1497744981 Anne Valeri Gerontology Nurse Practitioner · Jamaica Plain, MA NPI 1326038225 Urban Medical Group Internal Medicine Physician · Jamaica Plain, MA NPI 1275578809 Geraldine Zagarella Internal Medicine Physician · Jamaica Plain, MA NPI 1255356242 John Jainchill Internal Medicine Physician · Jamaica Plain, MA NPI 1831118272 Joy Arm Adult Health Nurse Practitioner · Jamaica Plain, MA NPI 1356363329

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-31.