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DR. KAREN LEVINE KAMHOLZ MD
NPI 1457332496
Pediatrics - Neonatal-Perinatal Medicine in Boston, MA

Active since November 08, 2005PECOS Enrolled
76.55/100
CMS Quality Rating
840 HARRISON AVE, MENINO 3, BOSTON, MA 02118(617) 414-5471(617) 414-4358 Get Directions Write a Review

NPPES record last updated: October 30, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Karen Levine Kamholz Md NPPES

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

DR. KAREN LEVINE KAMHOLZ MD (NPI 1457332496) is an individual neonatal-perinatal medicine provider in Boston, Massachusetts, licensed in District Of Columbia (MD040771) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457332496
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameDR. KAREN LEVINE KAMHOLZCredential: MD
Location Address840 HARRISON AVE, MENINO 3Boston, MA 02118-2905
Mailing Address1 Boston Medical Ctr Pl, Division Of Pediatrics, Dowling 3 SouthBoston, MA 02118-2908 · (617) 414-5170 · Fax (617) 414-3803
Phone(617) 414-5471
Fax(617) 414-4358
Sole ProprietorNo
Enumeration DateNovember 8, 2005
Last NPPES UpdateOctober 30, 2023
NPPES CertifiedOctober 30, 2023
✔ NPI 1457332496 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in DC · MD040771
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License 213396 (MA)
840 HARRISON AVE, Boston, MA 02118
Open in Google Maps ↗

Other Names 1

Former Name (1)Dr. Karen Jill Levine Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karen Levine Kamholz Md 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 Karen Kamholz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medstar Medical Group II LLC
354 mi
General Practice
5601 LOCH RAVEN BLVD, RUSSELL MORGAN BLDG 3RD FL
Baltimore, MD 21239
  • Reassigned Medicare billing, District of Columbia enrollment
  • 3,530 clinicians in this Medicare group
NPI 1184046187 (443) 444-5606
Mgmc LLC
394 mi
Psychiatry
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia enrollment
  • 861 clinicians in this Medicare group
NPI 1316949654 (888) 896-1400

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.55/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality63.16
Promoting Interoperability100
Improvement Activities40
Cost55.94

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.

ALEXANDER R. OLIVER PA-C
Physician Assistant
840 HARRISON AVE, MENINO BUILDING
BOSTON, MA 02118
Suffolk County (617) 638-8609
DAVIDA MARTI SCHIFF I M.D.
Pediatrics
840 HARRISON AVE, MENINO 1
BOSTON, MA 02118
Suffolk County (617) 414-4511
MYOUNG JIN KIM MD
Radiology (Vascular & Interventional Radiology)
840 HARRISON AVE
BOSTON, MA 02118
Suffolk County (617) 638-6610
DR. SABRINA QUI RONG LIEW MD
Student in an Organized Health Care Education/Training Program
840 HARRISON AVE
BOSTON, MA 02118
Suffolk County (617) 638-8000
ILSE CASTRO-ARAGON M.D.
Radiology (Diagnostic Radiology)
840 HARRISON AVE
BOSTON, MA 02118
Suffolk County (617) 638-6610
DR. ASHLEY DAVIDOFF MB, BCH
Radiology (Diagnostic Radiology)
840 HARRISON AVE
BOSTON, MA 02118
Suffolk County (617) 638-6610
DARLENE M KAMEL NP
Nurse Practitioner (Acute Care)
840 HARRISON AVE, MENINO BUILDING
BOSTON, MA 02118
Suffolk County (617) 638-8609
CHRISTINA A LEBEDIS MD
Radiology (Diagnostic Radiology)
840 HARRISON AVE
BOSTON, MA 02118
Suffolk County (617) 638-6610

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 Kamholz's NPI number?

The NPI number for Karen Kamholz is 1457332496. It was assigned to this individual provider in the NPPES registry on November 8, 2005. The provider is also known as Dr. Karen Jill Levine MD.

Where is Karen Kamholz located?

Karen Kamholz practices at 840 Harrison Ave Menino 3, Boston, MA 02118. The listed phone number is (617) 414-5471.

What is Karen Kamholz's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Karen Kamholz enrolled in Medicare?

Yes. Karen Kamholz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Karen Kamholz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Kamholz reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Baltimore, MD) and Mgmc LLC (Washington, DC). 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 Karen Kamholz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Kamholz was last updated on October 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.