Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Leah Ahern , RD

Dietitian, Registered β€’ Boston, MA

Active NPI 1295381762 Individual Practitioner Female Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

330 Brookline Ave
Boston, MA 022155400

Call 6176672845 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

330 Brookline Ave

Boston, MA 022155400

Telephone 6176672845
Organization at the Same NPPES Address or Phone
Dva Healthcare Of Massachusetts, Inc. Facility NPI 1295794121

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

Other Listings in Public Data

NPPES lists 1 additional practice-address record in Smithfield, RI. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: Massachusetts General Physicians Organization Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Graduation Year

2018

Years since graduation

8 years (graduated 2018)

CMS Doctors and Clinicians data list 2018 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

NPI first issued

2019

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.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

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

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

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

Enrolled in Medicare (PECOS)

Leah Ahern has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Compared with the same specialty in Boston and Massachusetts

422 active clinicians are listed under Dietitian, Registered with a practice address in Boston, MA (2,274 in Massachusetts).

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

Telehealth indicator in Boston

2.4% of these 422 clinicians have the CMS telehealth indicator.

4.7% of these 422 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

Self-certified to NPPES: 2024-07-12
Dietitian, Registered Primary Specialty

NUCC Taxonomy Code: 133V00000X

License # reported to NPPES MA 4608

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

Dietitian, Registered

NUCC Taxonomy Code: 133V00000X

License # reported to NPPES RI LDN00973

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

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

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL

Medicare Enrollment ID

I20221108000623

Enrollment State Jurisdiction

MA

PECOS Control ID

7911339981

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Massachusetts General Physicians Organization Inc

50 Staniford St, Boston, MA 021142517

Massachusetts General Physicians Organization Inc

55 Fruit St, Boston, MA 021142696

Phone: 6177240287

Secondary Practice Locations

41 Sanderson Rd

Smithfield, RI 029172602

Phone: 4015216310

Clinicians Sharing This Practice Address or Phone

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

4 listed
Dr. Chowdhury Ferdous , MD

Internal Medicine - Obesity Medicine

NPI 1801006507

Doctor of Medicine (M.D.)

NPI 1255430740

Doctor of Medicine (M.D.)

NPI 1518452754
Heather Pleskow , NP

Nurse Practitioner - Acute Care

NPI 1659883981

Nurse Practitioner

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

11 Historical Events
🏒
Secondary Practice Location Registered July 12, 2024

Additional practice office at 41 Sanderson Rd, Smithfield, RI 029172602

πŸ‘€
Provider Name / Credentials Updated July 12, 2024

Recorded as LEAH AHERN, RD

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) July 12, 2024

Dietitian, Registered (license number reported to NPPES: RI LDN00973)

πŸ“
Updated Practice Location September 14, 2020

Registered at 330 BROOKLINE AVE, BOSTON, MA 022155400 (Tel: 6176672845)

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) September 14, 2020

Dietitian, Registered (license number reported to NPPES: MA 4608)

βœ…
NPI Profile Active August 12, 2019

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) August 12, 2019

Registered at 41 SANDERSON RD, SMITHFIELD, RI 029172602 (Tel: 4015216310)

πŸ“
Business Mailing Address (Initial Record) August 12, 2019

Registered at 208 GROVE ST, KINGSTON, MA 023641355 (Tel: 5086311102)

πŸ‘€
Provider Name / Credentials (Initial Record) August 12, 2019

Recorded as LEAH HURLEY, RD

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) August 12, 2019

Dietitian, Registered (license number reported to NPPES: RI LDN00973)

🟒
Initial NPI Registration & Enumeration August 12, 2019

First registered as active Individual Practitioner in NPPES Database.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1295381762
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 12, 2019
Last Update: July 12, 2024
Sole Proprietor: No

Other Dietitian, Registereds in Boston

All Dietitian, Registereds in Boston

Mailing Address

208 Grove St

Kingston, MA 023641355

Phone: 5086311102

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.