DR. ALI BAGHIAN M.D
NPI 1083935878
Internal Medicine - Hematology in Boston, MA
About Dr. Ali Baghian M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALI BAGHIAN M.D (NPI 1083935878) is an individual hematology provider in Boston, Massachusetts, licensed in Massachusetts (294342) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital - Needham, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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
Dr. Ali Baghian M.d 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
5Medicare enrollment records show Ali Baghian reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1346433257 (Massachusetts)
- 1,026 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 clinicians in this Medicare group
Hattiesburg, MS 39402
- Reassigned Medicare billing, Louisiana enrollment
- Also billed through NPI 1245434224 (Louisiana)
- 851 clinicians in this Medicare group
Bogalusa, LA 70427
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Downey, CA 90241
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: The Oncology Institute Ca, A Professional Corporation
- 110 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.
Areas of Expertise CMS Part B claims 6
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Hospital - Needham
Acute Care Hospitals · Needham, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MABeth Israel Deaconess Hospital - Milton
Acute Care Hospitals · Milton, MAPhysician 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.
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 02215
BOSTON, MA 02215
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 Ali Baghian's NPI number?
The NPI number for Ali Baghian is 1083935878. It was assigned to this individual provider in the NPPES registry on June 16, 2010.
Where is Ali Baghian located?
Ali Baghian practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-3446.
What is Ali Baghian's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is Ali Baghian enrolled in Medicare?
Yes. Ali Baghian 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 Ali Baghian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ali Baghian reassigns Medicare benefits to 5 organizations: Dana-Farber Cancer Institute, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Administrators Of The Tulane Educational Fund (Hattiesburg, MS), Ochsner Clinic LLC (Bogalusa, LA) and Starling Oncology Ca, A Professional Corporation (Downey, CA). 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 Ali Baghian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ali Baghian accept?
Health plans from Taro Health list Ali Baghian 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 Ali Baghian affiliated with any hospitals?
According to CMS data, Ali Baghian is affiliated with Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center and Beth Israel Deaconess Hospital - Milton.
When was this NPI record last updated?
The NPPES record for Ali Baghian was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Ali Baghian, M.D · NPI 1083935878
Hematology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 16, 2010.
## Identity
- **NPI:** 1083935878 (Entity type: Individual)
- **Enumerated:** June 16, 2010
- **Primary specialty:** Internal Medicine - Hematology · taxonomy 207RH0000X
- **State license:** 294342 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 450 BROOKLINE AVE, Boston, MA 02215-5450
- **Phone:** (617) 632-3446
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Dana-Farber Cancer Institute, Inc. (NPI 1851333686, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA); Administrators Of The Tulane Educational Fund (NPI 1033395298, Hattiesburg, MS); Ochsner Clinic LLC (NPI 1366797110, Bogalusa, LA); Starling Oncology Ca, A Professional Corporation (NPI 1275651515, Downey, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** April 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1083935878) · Data from the CMS NPPES public registry.