Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. AARON HAKIM MD
NPI 1538729330
Internal Medicine - Transplant Hepatology in Boston, MA

Q: What is Aaron Hakim's NPI number?

The NPI number for Aaron Hakim is 1538729330. It was assigned to this individual provider in the NPPES registry on June 14, 2019.

Q: What is Aaron Hakim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Transplant Hepatology, with taxonomy code 207RT0003X.

Q: When was this NPI record last updated?

The NPPES record for Aaron Hakim was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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 June 14, 2019PECOS Enrolled

330 BROOKLINE AVE, BOSTON, MA 02215(617) 667-7000 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2026, Jun 14, 2019 (2 updates tracked since 2019).

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About Dr. Aaron Hakim Md NPPES

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

DR. AARON HAKIM MD (NPI 1538729330) is an individual transplant hepatology provider in Boston, Massachusetts, licensed in Massachusetts (1027566) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538729330

Entity TypeIndividualMale

Primary Taxonomy207RT0003X

Provider Legal NameDR. AARON HAKIMCredential: MD

Location Address330 BROOKLINE AVEBoston, MA 02215-5400

Mailing Address330 Brookline AveBoston, MA 02215-5400 · (617) 667-7000

Phone(617) 667-7000

Sole ProprietorNo

Enumeration DateJune 14, 2019

Last NPPES UpdateJuly 8, 20262 updates tracked since enumeration

NPPES CertifiedJuly 8, 2026

✔ NPI 1538729330 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Transplant HepatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RT0003X

License✔ Licensed in MA · 1027566

Definition

An internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients requires assessment by a team having experience in evaluating the severity and prognosis of patients with liver disease.

Also ListedInternal MedicineTaxonomy 207R00000X · License 1027566 (MA)

Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X · License 1027566 (MA)

330 BROOKLINE AVE, Boston, MA 02215

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aaron Hakim 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.

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.

BETH ISRAEL DEACONESS MEDICAL CENTER

Chronic Disease Hospital (Children)

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 677-4042

DR. BRIAN DANIEL HOBBS MD, MMSC

Internal Medicine

330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215

Suffolk County (617) 667-5864

ERICA DOMMASCH MD

Dermatology

330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215

Suffolk County (617) 667-3753

VAHID KIARAD M.D

Anesthesiology

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

DR. JONATHAN DAVID THOMAS MD

Internal Medicine (Hematology)

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

JULIA MARIE BERG MD

Internal Medicine

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

DR. MICHAEL R GOLDSTEIN PHD

Psychologist (Clinical)

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 356-7246

SARA MURDOCK CAHILL MD

Hospitalist

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

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 Aaron Hakim's NPI number?

The NPI number for Aaron Hakim is 1538729330. It was assigned to this individual provider in the NPPES registry on June 14, 2019.

Where is Aaron Hakim located?

Aaron Hakim practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-7000.

What is Aaron Hakim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Transplant Hepatology, with taxonomy code 207RT0003X.

Is Aaron Hakim enrolled in Medicare?

Yes. Aaron Hakim is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Aaron Hakim was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.