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Dr. Paul K Kleinman , MD

Pediatrics β€’ Boston, MA

Active NPI 1144301342 Individual Practitioner Male Practitioner
Practice location in NPPES

300 Longwood Ave
Boston, MA 021155724

Call 6173552726 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

300 Longwood Ave

Boston, MA 021155724

Telephone 6173552726
Organization at the Same NPPES Address or Phone
Boston Children's Connected Care Of Connecticut, Pc Facility NPI 1518866573

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2019–2025.

Guide: How to read an Open Payments record

NPI first issued

2006

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Medicare assignment not listed

CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.

Guide: How Medicare covers telehealth

Compared with the same specialty in Boston and Massachusetts

815 active clinicians are listed under Pediatrics with a practice address in Boston, MA (2,626 in Massachusetts).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Boston

1% of these 815 clinicians have the CMS telehealth indicator.

13.3% of these 815 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Specialties & License Numbers Reported to NPPES

Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

License # reported to NPPES MA 37795

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.

Radiology - Pediatric Radiology

NUCC Taxonomy Code: 2085P0229X

License # reported to NPPES MA 37795

A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.

Radiology - Diagnostic Radiology

NUCC Taxonomy Code: 2085R0202X

License # reported to NPPES MA 37795

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Massachusetts Board of Registration in Medicine.
Look Up on State Board Site

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

40 listed
Nadia Abdulrazak , NP

Nurse Practitioner - Adult Health

NPI 1952616682

Nurse Practitioner

Dr. Dominic Abrams , BSC MBBS MRCP MD

Internal Medicine - Clinical Cardiac Electrophysiology

NPI 1821372228

BSCMBBSMRCPMD

Dr. Tessa Adzemovic , MD

Internal Medicine

NPI 1740840305

Doctor of Medicine (M.D.)

Megan Afeltra

Nurse Practitioner - Pediatrics

NPI 1619593928
Dr. Ireen Ahmed , MD

Psychiatry & Neurology - Child & Adolescent Psychiatry

NPI 1548674807

Doctor of Medicine (M.D.)

Dr. Solomon Ajasin , MD

Emergency Medicine

NPI 1639750086

Doctor of Medicine (M.D.)

Career & Practice History

NPI enumerated October 17, 2006.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to November 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1144301342
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 17, 2006
Last Update: August 20, 2007
Sole Proprietor: No

Other Pediatrics Specialists in Boston

All Pediatrics Specialists in Boston

Mailing Address

300 Longwood Ave

Boston, MA 021155724

Phone: 6173556000

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.