MS. KAREN MARIE ALEXANDER M.D.
NPI 1891949863
Radiology - Diagnostic Radiology in Boston, MA

Active since November 04, 2008PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: June 15, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Karen Marie Alexander M.d. NPPES

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

MS. KAREN MARIE ALEXANDER M.D. (NPI 1891949863) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Massachusetts (291899) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins All Children's Hospital, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2015).

NPPES Registry Identity

NPI1891949863
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameMS. KAREN MARIE ALEXANDERCredential: M.D.
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Medical School CMSUniversity Of Kansas School Of Med (kc/wich/sal)Graduated 2015
Enumeration DateNovember 4, 2008
Last NPPES UpdateJune 15, 2022
NPPES CertifiedJune 15, 2022
NPI 1891949863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in MA · 291899
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
300 LONGWOOD AVE, Boston, MA 02115

Other Names 1

Former Name (1)Karen Marie Fuqua M.d.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Karen Marie Alexander M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850441072
PECOS Enrollment IDI20250530000086
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins All Children's Hospital

Childrens · Saint Petersburg, FL
OwnershipVoluntary non-profit - Private
CMS Certification Number103300
Location501 Sixth Avenue SouthSaint Petersburg, FL 33701 · Pinellas County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Alexander's NPI number?

The NPI number for Karen Alexander is 1891949863. It was assigned to this individual provider in the NPPES registry on November 4, 2008. The provider is also known as Karen Marie Fuqua M.D..

Where is Karen Alexander located?

Karen Alexander practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Karen Alexander's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Karen Alexander enrolled in Medicare?

Yes. Karen Alexander is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Karen Alexander affiliated with any hospitals?

According to CMS data, Karen Alexander is affiliated with Johns Hopkins All Children's Hospital.

When was this NPI record last updated?

The NPPES record for Karen Alexander was last updated on June 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.