OMAR K SIDDIQI MD
NPI 1356538417
Psychiatry & Neurology - Neurology in Boston, MA
About Omar K Siddiqi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OMAR K SIDDIQI MD (NPI 1356538417) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (234167) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
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
Omar K Siddiqi 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.
Medicare Billing Reassignments
5Medicare enrollment records show Omar Siddiqi 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
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1992745236 (Massachusetts)
- 2,579 clinicians in this Medicare group
Cambridge, MA 02138
- Reassigned Medicare billing, Massachusetts enrollment
- 423 clinicians in this Medicare group
Brockton, MA 02301
- Reassigned Medicare billing, Massachusetts enrollment
- 409 clinicians in this Medicare group
Newburyport, MA 01950
- Reassigned Medicare billing, Massachusetts enrollment
- 90 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 7
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Anna Jaques Hospital
Acute Care Hospitals · Newburyport, MABeth Israel Deaconess Hospital Plymouth
Acute Care Hospitals · Plymouth, MABeth Israel Deaconess Hospital - Needham
Acute Care Hospitals · Needham, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, 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
BOSTON, MA 02215
BOSTON, MA 02215
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 Omar Siddiqi's NPI number?
The NPI number for Omar Siddiqi is 1356538417. It was assigned to this individual provider in the NPPES registry on October 2, 2007.
Where is Omar Siddiqi located?
Omar Siddiqi practices at 330 Brookline Avenue Beth Israel Deaconess Medical Center, Boston, MA 02215. The listed phone number is (617) 667-7000.
What is Omar Siddiqi's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Omar Siddiqi enrolled in Medicare?
Yes. Omar Siddiqi 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 Omar Siddiqi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Omar Siddiqi reassigns Medicare benefits to 5 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Mount Auburn Professional Services Inc (Cambridge, MA), Signature Healthcare Medical Group Inc (Brockton, MA) and Seacoast Affiliated Group Practice, Inc. (Newburyport, 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 Omar Siddiqi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Omar Siddiqi accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Omar Siddiqi 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 Omar Siddiqi affiliated with any hospitals?
According to CMS data, Omar Siddiqi is affiliated with Anna Jaques Hospital, Beth Israel Deaconess Hospital Plymouth, Beth Israel Deaconess Hospital - Needham and Beth Israel Deaconess Medical Center.
When was this NPI record last updated?
The NPPES record for Omar Siddiqi was last updated on December 23, 2025. 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.
# Omar K Siddiqi, MD · NPI 1356538417
Neurology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 2, 2007.
## Identity
- **NPI:** 1356538417 (Entity type: Individual)
- **Enumerated:** October 2, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 234167 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 BROOKLINE AVENUE, BETH ISRAEL DEACONESS MEDICAL CENTER, Boston, MA 02215
- **Phone:** (617) 667-7000
## 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): Beth Israel Deaconess Medical Center, Inc. (NPI 1548202641, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA); Mount Auburn Professional Services Inc (NPI 1992750996, Cambridge, MA); Signature Healthcare Medical Group Inc (NPI 1508804949, Brockton, MA); Seacoast Affiliated Group Practice, Inc. (NPI 1801892344, Newburyport, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Rochester School Of Medicine And Dentistry, class of 2004
## Record status
- **NPPES last updated:** December 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1356538417) · Data from the CMS NPPES public registry.