HAITHAM SAMIR ALABSI DO
NPI 1538587803
Psychiatry & Neurology - Neurology in Boston, MA
About Haitham Samir Alabsi Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAITHAM SAMIR ALABSI DO (NPI 1538587803) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (285683) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and maintains 7 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 7
Accepted 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
Haitham Samir Alabsi Do 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.
Medicare Billing Reassignments
21Medicare enrollment records show Haitham Alabsi reassigns Medicare billing to 21 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Stamford, CT 06907
- Reassigned Medicare billing, Massachusetts enrollment
- 2 clinicians in this Medicare group
Paramus, NJ 07652
- Reassigned Medicare billing, Massachusetts and New Jersey enrollments
- 5 clinicians in this Medicare group
Galloway, NJ 08205
- Reassigned Medicare billing, New Jersey enrollment
- 921 clinicians in this Medicare group
Reinholds, PA 17569
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Waldorf, MD 20603
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 2,618 clinicians in this Medicare group
Louisburg, NC 27549
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Novant Health Medical Group, LLC
- 2,998 clinicians in this Medicare group
Saginaw, MI 48602
- Reassigned Medicare billing, Michigan enrollment
- 720 clinicians in this Medicare group
Yellow Springs, OH 45387
- Reassigned Medicare billing, Ohio enrollment
- 812 clinicians in this Medicare group
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Haitham Alabsi's NPI number?
The NPI number for Haitham Alabsi is 1538587803. It was assigned to this individual provider in the NPPES registry on April 2, 2014.
Where is Haitham Alabsi located?
Haitham Alabsi practices at 15 Parkman St, Boston, MA 02114. The listed phone number is (855) 644-6387.
What is Haitham Alabsi's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Haitham Alabsi enrolled in Medicare?
Yes. Haitham Alabsi 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 Haitham Alabsi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Haitham Alabsi reassigns Medicare benefits to 21 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA), Stamford Health Medical Group Inc (Stamford, CT), Valley Physician Services PC (Paramus, NJ), Atlanticare Physician Group, PA (Galloway, NJ) and 16 more organizations, listed in the Medicare section above. 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 Haitham Alabsi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Haitham Alabsi accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of NC, CareSource, Cigna Healthcare and Dean Health Plan and 3 other insurers list Haitham Alabsi 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 Haitham Alabsi affiliated with any hospitals?
According to CMS data, Haitham Alabsi is affiliated with Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Haitham Alabsi was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Haitham Samir Alabsi, DO · NPI 1538587803
Neurology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 2, 2014.
## Identity
- **NPI:** 1538587803 (Entity type: Individual)
- **Enumerated:** April 2, 2014
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 285683 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 15 PARKMAN ST, Boston, MA 02114-3117
- **Phone:** (855) 644-6387
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 21 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Stamford Health Medical Group Inc (NPI 1154633980, Stamford, CT); Valley Physician Services PC (NPI 1467815928, Paramus, NJ); Atlanticare Physician Group, PA (NPI 1003820622, Galloway, NJ); and 16 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** March 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1538587803) · Data from the CMS NPPES public registry.