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ALI AHMAD SIDDIQUI MD
NPI 1023690369
Radiology - Diagnostic Radiology in Boston, MA

Active since April 26, 2021PECOS Enrolled
1 BOSTON MEDICAL CTR PL STE 1, BOSTON, MA 02118(617) 638-8000 Get Directions Write a Review

NPPES record last updated: April 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 9, 2026, Apr 5, 2026, Apr 26, 2021 (3 updates tracked since 2021).

About Ali Ahmad Siddiqui Md NPPES

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

ALI AHMAD SIDDIQUI MD (NPI 1023690369) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Massachusetts (1025983) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Boston University School Of Medicine (2021).

NPPES Registry Identity

NPI1023690369
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameALI AHMAD SIDDIQUICredential: MD
Location Address1 BOSTON MEDICAL CTR PL STE 1Boston, MA 02118-2999
Mailing Address1 Boston Medical Ctr Pl Ste 1Boston, MA 02118-2999 · (617) 638-8000
Phone(617) 638-8000
Sole ProprietorYes
Medical School CMSBoston University School Of MedicineGraduated 2021
Enumeration DateApril 26, 2021
Last NPPES UpdateApril 9, 20263 updates tracked since enumeration
NPPES CertifiedApril 9, 2026
✔ NPI 1023690369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in MA · 1025983
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1 BOSTON MEDICAL CTR PL STE 1, Boston, MA 02118
Open in Google Maps ↗

Secondary Practice Location 1

Location 155 Fruit StBoston, MA 02114-2621 · Phone (617) 726-8323

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ali Ahmad Siddiqui Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6305215674
PECOS Enrollment IDI20260415003999
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

2

Medicare enrollment records show Ali Siddiqui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The General Hospital Corporation
2.0 mi
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000
Massachusetts General Physicians Organization Inc
2.0 mi
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

BENJAMIN GREBBER
Pediatrics
1 BOSTON MEDICAL CTR PL STE 1
BOSTON, MA 02118
Suffolk County (617) 638-8000
BRETT S. NOWLAN PA-C
Physician Assistant
1 BOSTON MEDICAL CTR PL STE 1
BOSTON, MA 02118
Suffolk County (617) 414-5481
RICARLY REGIS
Respiratory Therapist, Registered
1 BOSTON MEDICAL CTR PL STE 1
BOSTON, MA 02118
Suffolk County (617) 638-8000
LINDA GOUSBY CARC
Peer Specialist
1 BOSTON MEDICAL CTR PL STE 1
BOSTON, MA 02118
Suffolk County (617) 638-5510
YILDIRIM HAN OZDEMIR MD
Student in an Organized Health Care Education/Training Program
1 BOSTON MEDICAL CTR PL STE 1
BOSTON, MA 02118
Suffolk County (617) 699-4089
MEGHAN BOSHART
Student in an Organized Health Care Education/Training Program
1 BOSTON MEDICAL CTR PL STE 1
BOSTON, MA 02118
Suffolk County (617) 638-8000
SUZETTE DESTY MD
Anesthesiology
1 BOSTON MEDICAL CTR PL STE 1
BOSTON, MA 02118
Suffolk County (617) 638-8000
HARLEY CANZANO
Registered Nurse
1 BOSTON MEDICAL CTR PL STE 1
BOSTON, MA 02118
Suffolk County (617) 414-4359

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 Siddiqui's NPI number?

The NPI number for Ali Siddiqui is 1023690369. It was assigned to this individual provider in the NPPES registry on April 26, 2021.

Where is Ali Siddiqui located?

Ali Siddiqui practices at 1 Boston Medical Ctr Pl Ste 1, Boston, MA 02118. The listed phone number is (617) 638-8000.

What is Ali Siddiqui's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Ali Siddiqui enrolled in Medicare?

Yes. Ali Siddiqui is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ali Siddiqui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ali Siddiqui reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization 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 Ali Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ali Siddiqui accept?

Health plans from Taro Health list Ali Siddiqui 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.

When was this NPI record last updated?

The NPPES record for Ali Siddiqui was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.