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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KAREN REBECCA MULLEN FNP-BC
NPI 1821861717
Nurse Practitioner - Family in Indianapolis, IN

Active since November 01, 2023
8455 KEYSTONE XING STE 300, INDIANAPOLIS, IN 46240(317) 941-7338 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 25, 2026, Nov 3, 2023 (2 updates tracked since 2023).

About Karen Rebecca Mullen Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN REBECCA MULLEN FNP-BC (NPI 1821861717) is an individual family provider in Indianapolis, Indiana, licensed in Indiana (28161433A) and active in the NPI registry since November 2023.

NPPES Registry Identity

NPI1821861717
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKAREN REBECCA MULLENCredential: FNP-BC
Location Address8455 KEYSTONE XING STE 300Indianapolis, IN 46240-4353
Mailing Address400 E South StWinchester, IN 47394-2232
Phone(317) 941-7338
Sole ProprietorNo
Enumeration DateNovember 1, 2023
Last NPPES UpdateAugust 25, 20262 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1821861717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IN · 28161433A
8455 KEYSTONE XING STE 300, Indianapolis, IN 46240
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Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MADISYN TWITTY
Nurse Practitioner (Family)
8455 KEYSTONE XING STE 300
INDIANAPOLIS, IN 46240
Marion County (317) 941-7338
NANETTE LANA RICHARDS FNP
Nurse Practitioner (Family)
8455 KEYSTONE XING STE 300
INDIANAPOLIS, IN 46240
Marion County (845) 205-6004
EMILY BROOKE LITTLE
Nurse Practitioner (Family)
8455 KEYSTONE XING STE 300
INDIANAPOLIS, IN 46240
Marion County (317) 941-7338
KARSEN TAYLOR ROOT FNP-C
Nurse Practitioner (Family)
8455 KEYSTONE XING STE 300
INDIANAPOLIS, IN 46240
Marion County (463) 203-7374
HIMANI S PATEL
Nurse Practitioner (Adult Health)
8455 KEYSTONE XING STE 300
INDIANAPOLIS, IN 46240
Marion County (317) 941-7338
KARALYN JACOBS DNP, RN, FNP-C
Nurse Practitioner (Family)
8455 KEYSTONE XING STE 300
INDIANAPOLIS, IN 46240
Marion County (317) 941-7338
KALIE BALES
Nurse Practitioner (Family)
8455 KEYSTONE XING STE 300
INDIANAPOLIS, IN 46240
Marion County (317) 941-7338
DR. IBRAR FAQIR PARACHA M.D.
Hospitalist
8455 KEYSTONE XING STE 300
INDIANAPOLIS, IN 46240
Marion County (317) 941-7338

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Mullen's NPI number?

The NPI number for Karen Mullen is 1821861717. It was assigned to this individual provider in the NPPES registry on November 1, 2023.

Where is Karen Mullen located?

Karen Mullen practices at 8455 Keystone Xing Ste 300, Indianapolis, IN 46240. The listed phone number is (317) 941-7338.

What is Karen Mullen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Karen Mullen was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.