MS. LAUREN MICHELLE KLEINKAUF-YOUNG NP
NPI 1407089097
Nurse Practitioner - Acute Care in Boston, MA

Active since August 28, 2009PECOS Enrolled
55 FRUIT ST, MASSACHUSETTS GENERAL HOSPITAL, BLAKE 8, BOSTON, MA 02114(617) 724-4410(617) 724-4450 Get Directions Write a Review

NPPES record last updated: January 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Lauren Michelle Kleinkauf-young Np NPPES

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

MS. LAUREN MICHELLE KLEINKAUF-YOUNG NP (NPI 1407089097) is an individual acute care provider in Boston, Massachusetts, licensed in Massachusetts (RN267654) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407089097
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMS. LAUREN MICHELLE KLEINKAUF-YOUNGCredential: NP
Location Address55 FRUIT ST, MASSACHUSETTS GENERAL HOSPITAL, BLAKE 8Boston, MA 02114-2621
Mailing Address55 Fruit St, Massachusetts General Hospital, Blake 8Boston, MA 02114-2621 · (617) 643-5969 · Fax (617) 724-0289
Fax(617) 724-4450
Sole ProprietorYes
Enumeration DateAugust 28, 2009
Last NPPES UpdateJanuary 15, 2025
NPPES CertifiedJanuary 15, 2025
✔ NPI 1407089097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in MA · RN267654
Also ListedNurse PractitionerTaxonomy 363L00000X · License RN267654 (MA)
55 FRUIT ST, Boston, MA 02114

Other Names 1

Former Name (1)Lauren Michelle Kleinkauf

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Lauren Michelle Kleinkauf-young Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Lauren Kleinkauf-young reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Lauren Kleinkauf-young's NPI number?

The NPI number for Lauren Kleinkauf-young is 1407089097. It was assigned to this individual provider in the NPPES registry on August 28, 2009. The provider is also known as Lauren Michelle Kleinkauf.

Where is Lauren Kleinkauf-young located?

Lauren Kleinkauf-young practices at 55 Fruit St Massachusetts General Hospital, Blake 8, Boston, MA 02114. The listed phone number is (617) 724-4410.

What is Lauren Kleinkauf-young's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Lauren Kleinkauf-young enrolled in Medicare?

Yes. Lauren Kleinkauf-young is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lauren Kleinkauf-young's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Kleinkauf-young reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lauren Kleinkauf-young's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lauren Kleinkauf-young accept?

Health plans from Taro Health list Lauren Kleinkauf-young as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lauren Kleinkauf-young was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.