DR. HAARIS SIDDIQ MD
NPI 1144610759
Student in an Organized Health Care Education/Training Program in Largo, MD

Active since February 03, 2015PECOS EnrolledAccepts Medicare Assignment
901 HARRY S TRUMAN DR N STE 4217, LARGO, MD 20774(240) 677-0236 Get Directions Write a Review

NPPES record last updated: March 28, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 6, 2026, Apr 16, 2026, Mar 28, 2023 (3 updates tracked since 2023).

About Dr. Haaris Siddiq Md NPPES

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

DR. HAARIS SIDDIQ MD (NPI 1144610759) is an individual student in an organized health care education/training program in Largo, Maryland and active in the NPI registry since February 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1144610759
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameDR. HAARIS SIDDIQCredential: MD
Location Address901 HARRY S TRUMAN DR N STE 4217Largo, MD 20774-5477
Mailing Address901 Harry S Truman Dr N Ste 4217Largo, MD 20774-5477 · (240) 677-0236
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateFebruary 3, 2015
Last NPPES UpdateMarch 28, 20233 updates tracked since enumeration
NPPES CertifiedMarch 28, 2023
✔ NPI 1144610759 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
901 HARRY S TRUMAN DR N STE 4217, Largo, MD 20774

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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. Haaris Siddiq 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.

PECOS PAC ID3779047121
PECOS Enrollment IDI20260716000531
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 Reassignment

Medicare enrollment records show Haaris Siddiq reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
110 IRVING ST NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • 3,530 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.

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 Haaris Siddiq's NPI number?

The NPI number for Haaris Siddiq is 1144610759. It was assigned to this individual provider in the NPPES registry on February 3, 2015.

Where is Haaris Siddiq located?

Haaris Siddiq practices at 901 Harry S Truman Dr N Ste 4217, Largo, MD 20774. The listed phone number is (240) 677-0236.

What is Haaris Siddiq's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Haaris Siddiq enrolled in Medicare?

Yes. Haaris Siddiq 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 organization bills Medicare for Haaris Siddiq's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Haaris Siddiq reassigns Medicare benefits to Medstar Medical Group II LLC (Washington, DC). The 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 Haaris Siddiq'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 Haaris Siddiq was last updated on March 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.