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DR. JULIO JOSE HAJDENBERG MD
NPI 1255315958
Internal Medicine - Hematology & Oncology in Boston, MA

Active since December 06, 2005PECOS EnrolledAccepts Medicare Assignment
JAMAICA PLAIN VA MEDICAL CENTER/HEMATOLOGY-ONCOLOGY, 130 S. HUNTINGTON AVE., BOSTON, MA 02130(617) 232-9500(407) 425-5203 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 7, 2026, Dec 12, 2025, Sep 10, 2025 and 2 more (5 updates tracked since 2016).

About Dr. Julio Jose Hajdenberg Md NPPES

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

DR. JULIO JOSE HAJDENBERG MD (NPI 1255315958) is an individual hematology & oncology provider in Boston, Massachusetts, licensed in Massachusetts (79524) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and maintains a secondary practice location in Burlington.

NPPES Registry Identity

NPI1255315958
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. JULIO JOSE HAJDENBERGCredential: MD
Location AddressJAMAICA PLAIN VA MEDICAL CENTER/HEMATOLOGY-ONCOLOGY, 130 S. HUNTINGTON AVE.Boston, MA 02130
Mailing AddressPo Box 24520New York, NY 10087-3720 · (781) 744-8085
Phone(617) 232-9500
Fax(407) 425-5203
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateDecember 6, 2005
Last NPPES UpdateJanuary 7, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2026
✔ NPI 1255315958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in MA · 79524✔ Licensed in ME · MD29753✔ Licensed in FL · ME73222
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
JAMAICA PLAIN VA MEDICAL CENTER/HEMATOLOGY-ONCOLOGY, Boston, MA 02130
Open in Google Maps ↗

Secondary Practice Location 1

Location 141 Mall RdBurlington, MA 01805-0001 · Phone (781) 744-8000

Other Identifiers 1

Medicaid254236600FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Julio Jose Hajdenberg Md 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 ID7113967258
PECOS Enrollment IDI20260109001464
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 Reassignments

4

Medicare enrollment records show Julio Hajdenberg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beth Israel Deaconess Medical Center, Inc.
2.5 mi
General Acute Care Hospital
330 BROOKLINE AVE, ST 207
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,477 clinicians in this Medicare group
NPI 1548202641 (617) 667-1961
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
2.5 mi
Internal Medicine
330 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,579 clinicians in this Medicare group
NPI 1194765438 (617) 754-9600
Lahey Clinic, Inc.
15 mi
Internal Medicine
41 MALL RD, LAHEY CLINIC
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1063447316 (Massachusetts)
  • 1,574 clinicians in this Medicare group
NPI 1538194980 (781) 744-8000
Orlando Health Medical Group Inc
1,111 mi
Internal Medicine
52 W UNDERWOOD ST
Orlando, FL 32806
  • Reassigned Medicare billing, Florida enrollment
  • 3,290 clinicians in this Medicare group
NPI 1669429577 (321) 841-2452

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220171
Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02130 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
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.

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 Julio Hajdenberg's NPI number?

The NPI number for Julio Hajdenberg is 1255315958. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is Julio Hajdenberg located?

Julio Hajdenberg practices at Jamaica Plain VA Medical Center/Hematology-Oncology 130 S. Huntington Ave., Boston, MA 02130. The listed phone number is (617) 232-9500.

What is Julio Hajdenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Julio Hajdenberg enrolled in Medicare?

Yes. Julio Hajdenberg 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.

Which organizations bill Medicare for Julio Hajdenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Julio Hajdenberg reassigns Medicare benefits to 4 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Lahey Clinic, Inc. (Burlington, MA) and Orlando Health Medical Group Inc (Orlando, FL). Each 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 Julio Hajdenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Julio Hajdenberg accept?

Health plans from Anthem Blue Cross and Blue Shield list Julio Hajdenberg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Julio Hajdenberg affiliated with any hospitals?

According to CMS data, Julio Hajdenberg is affiliated with Beth Israel Deaconess Medical Center and Lahey Hospital & Medical Center, Burlington.

When was this NPI record last updated?

The NPPES record for Julio Hajdenberg was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.