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DR. MAHMOUD A ABU HAZEEM MBBS
NPI 1518274638
Internal Medicine in Boston, MA

Active since September 10, 2010PECOS Enrolled
330 BROOKLINE AVE # 2, BOSTON, MA 02215(402) 320-4830 Get Directions Write a Review

NPPES record last updated: July 10, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mahmoud A Abu Hazeem Mbbs NPPES

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

DR. MAHMOUD A ABU HAZEEM MBBS (NPI 1518274638) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (274433) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS and maintains a secondary practice location in Omaha.

NPPES Registry Identity

NPI1518274638
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MAHMOUD A ABU HAZEEMCredential: MBBS
Location Address330 BROOKLINE AVE # 2Boston, MA 02215
Mailing Address7261 Mercy RdOmaha, NE 68124-2311 · (402) 398-6255
Phone(402) 320-4830
Sole ProprietorNo
Enumeration DateSeptember 10, 2010
Last NPPES UpdateJuly 10, 2018
✔ NPI 1518274638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MA · 274433✔ Licensed in NE · 27446✔ Licensed in IA · 41080
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 41080 (IA), 27446 (NE)
330 BROOKLINE AVE # 2, Boston, MA 02215
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Secondary Practice Location 1

Location 1601 N 30th St, Suite 5100Omaha, NE 68131-2137 · Phone (402) 398-6255 · Fax (402) 449-5020

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mahmoud A Abu Hazeem Mbbs 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 Reassignments

3

Medicare enrollment records show Mahmoud Abu Hazeem reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is
Same address
Internal Medicine
330 BROOKLINE AVE, HOSPITALIST PROGRAM, PBS 2
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 346 clinicians in this Medicare group
NPI 1497151773 (617) 754-4667
Beth Israel Deaconess Medical Center, Inc.
Same address
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
Same address
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

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
215 services93 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
163 services85 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
80 services77 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
29 services28 patients

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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers18 claims18 services$14.09 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers18 claims18 services$64.40 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Mahmoud Abu Hazeem's NPI number?

The NPI number for Mahmoud Abu Hazeem is 1518274638. It was assigned to this individual provider in the NPPES registry on September 10, 2010.

Where is Mahmoud Abu Hazeem located?

Mahmoud Abu Hazeem practices at 330 Brookline Ave # 2, Boston, MA 02215. The listed phone number is (402) 320-4830.

What is Mahmoud Abu Hazeem's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mahmoud Abu Hazeem enrolled in Medicare?

Yes. Mahmoud Abu Hazeem is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mahmoud Abu Hazeem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahmoud Abu Hazeem reassigns Medicare benefits to 3 organizations: Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). 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 Mahmoud Abu Hazeem'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 Mahmoud Abu Hazeem was last updated on July 10, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.