Active NPIIndividual providerSole proprietor

Carolyn M O'Brien, NP

Nurse Practitioner, Adult Health in Franklin, Massachusetts

NPI Number1104815539
Practice location
31 Daniels St, Franklin, MA 02038-1103
Fax
508-538-3142
Last updated
August 28, 2025

Carolyn M O'Brien is a Nurse Practitioner, Adult Health based in Franklin, MA. Carolyn M O'Brien practices in Franklin, MA and has the professional credentials of NP. The NPI Number for Carolyn M O'Brien is 1104815539 and holds a License No. RN190716 (MA). The current practice location address for Carolyn M O'Brien is 31 Daniels St, Franklin, MA 02038-1103 and can be reached out via phone at 508-530-3140 and via fax at 508-538-3142.

Provider Profile Details

NPI Number
1104815539
Provider Name
Carolyn M O'Brien
Credential
NP
Provider Entity Type
Individual
Gender
Female
Address
31 Daniels St, Franklin, MA 02038-1103
Phone Number
508-530-3140
Fax Number
508-538-3142
Primary Taxonomy
Nurse Practitioner, Adult Health · 363LA2200X
Sole Proprietor
Yes
Provider Enumeration Date
October 18, 2005
Last Update Date
August 28, 2025
Certification Date
August 28, 2025
NPI Status
Active

Provider Business Practice Location Address Details

Address
31 Daniels St
Franklin, MA 02038-1103
Zip
02038-1103
Phone Number
508-530-3140
Fax Number
508-538-3142
Franklin, MA 02038Get directions →

Provider Business Mailing Address Details

Address
Po Box 383
Franklin, MA 02038-0383
City
Franklin
State
MA
Zip
02038-0383
Phone Number
508-530-3140
Fax Number
508-530-3142

License Information

License Number (1)
RN190716
License State (1)
MA
Taxonomy (1)
Nurse Practitioner · 363L00000X
License Number (2)
190716
License State (2)
MA
Taxonomy (2)
Nurse Practitioner, Adult Health · 363LA2200X · Primary

Legacy Identifiers

IdentifierTypeStateIssuer
No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider.

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Frequently Asked Questions

What is the NPI number of Carolyn M O'Brien, NP?

The NPI number of Carolyn M O'Brien, NP is 1104815539. It was assigned on October 18, 2005 and is currently active in the NPPES registry.

What is the specialty of Carolyn M O'Brien, NP?

Carolyn M O'Brien, NP is registered under the primary taxonomy Nurse Practitioner, Adult Health (code 363LA2200X), licensed in MA under license number RN190716.

Where does Carolyn M O'Brien, NP practice?

The practice location is 31 Daniels St, Franklin, MA 02038-1103. The office can be reached at 508-530-3140 (phone) or 508-538-3142 (fax).

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.

How do I verify this NPI record?

This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1104815539 directly on the NPPES registry website.

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