DR. ALEX KENTSIS MD, PHD
NPI 1235330770
Pediatrics in Boston, MA

Q: What is Alex Kentsis's NPI number?

The NPI number for Alex Kentsis is 1235330770. It was assigned to this individual provider in the NPPES registry on May 31, 2007.

Q: What is Alex Kentsis's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Alex Kentsis was last updated on November 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since May 31, 2007PECOS Enrolled

450 BROOKLINE AVE, BOSTON, MA 02215(617) 632-4130(617) 632-4410 Get Directions Write a Review

NPPES record last updated: November 29, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Alex Kentsis Md, Phd NPPES

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

DR. ALEX KENTSIS MD, PHD (NPI 1235330770) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (228425) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235330770

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. ALEX KENTSISCredential: MD, PHD

Location Address450 BROOKLINE AVEBoston, MA 02215-5418

Mailing Address450 Brookline AveBoston, MA 02215-5418 · (617) 632-4130 · Fax (617) 632-4410

Phone(617) 632-4130

Fax(617) 632-4410

Sole ProprietorNo

Enumeration DateMay 31, 2007

Last NPPES UpdateNovember 29, 2011

✔ NPI 1235330770 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MA · 228425

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

450 BROOKLINE AVE, Boston, MA 02215

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alex Kentsis Md, Phd 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 Reassignment

Medicare enrollment records show Alex Kentsis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Memorial Pediatric Group

183 mi

Pediatrics

1275 YORK AVE
New York, NY 10021

Reassigned Medicare billing, New York enrollment
220 clinicians in this Medicare group

NPI 1750352381 (646) 227-3813

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 02215 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.

PRABHSIMRANJOT SINGH MD

Internal Medicine (Hematology & Oncology)

450 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 582-7956

SHAWN MAGUIRE PA-C

Physician Assistant

450 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 582-8487

KARINA FRANCA

Genetic Counselor, MS

450 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (857) 215-2285

DR. SUZANNE JAQUETH FORREST M.D.

Pediatrics (Pediatric Hematology-Oncology)

450 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 632-3270

LAUREN KIRITSY MSW, LCSW

Counselor (Mental Health)

450 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (857) 215-3448

OFIR WOLAJ MD

Internal Medicine (Hematology & Oncology)

450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215

Suffolk County (617) 632-6139

JASON BATALHA AGPCNP-BC

Nurse Practitioner

450 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 632-6140

FATIMA EMRAN AMIR MS, LGC

Genetic Counselor, MS

450 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 632-3729

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 Alex Kentsis's NPI number?

The NPI number for Alex Kentsis is 1235330770. It was assigned to this individual provider in the NPPES registry on May 31, 2007.

Where is Alex Kentsis located?

Alex Kentsis practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-4130.

What is Alex Kentsis's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Alex Kentsis enrolled in Medicare?

Yes. Alex Kentsis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alex Kentsis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alex Kentsis reassigns Medicare benefits to Memorial Pediatric Group (New York, NY). The 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 Alex Kentsis'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 Alex Kentsis was last updated on November 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.