NADIA H SIDDIQI DO
NPI 1811335714
Internal Medicine in Allen, TX
About Nadia H Siddiqi Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NADIA H SIDDIQI DO (NPI 1811335714) is an individual internal medicine provider in Allen, Texas, licensed in Texas (Q7278) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Texas Health Presbyterian Hospital Allen, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
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
Nadia H Siddiqi 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 Reassignment
Medicare enrollment records show Nadia Siddiqi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dallas, TX 75231
- Reassigned Medicare billing, Texas enrollment
- 1,639 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Texas Health Presbyterian Hospital Allen
Acute Care Hospitals · Allen, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Nadia Siddiqi's NPI number?
The NPI number for Nadia Siddiqi is 1811335714. It was assigned to this individual provider in the NPPES registry on June 13, 2013.
Where is Nadia Siddiqi located?
Nadia Siddiqi practices at 1105 Central Expy N Ste 235, Allen, TX 75013. The listed phone number is (972) 747-6042.
What is Nadia Siddiqi's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Nadia Siddiqi enrolled in Medicare?
Yes. Nadia 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 organization bills Medicare for Nadia Siddiqi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nadia Siddiqi reassigns Medicare benefits to Texas Health Physicians Group (Dallas, TX). 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 Nadia Siddiqi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nadia Siddiqi accept?
Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas and Harbor Health list Nadia 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 Nadia Siddiqi affiliated with any hospitals?
According to CMS data, Nadia Siddiqi is affiliated with Texas Health Presbyterian Hospital Allen.
When was this NPI record last updated?
The NPPES record for Nadia Siddiqi was last updated on September 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Nadia H Siddiqi, DO · NPI 1811335714
Internal Medicine physician in Allen, Texas. Individual provider, active in the CMS NPPES registry since June 13, 2013.
## Identity
- **NPI:** 1811335714 (Entity type: Individual)
- **Enumerated:** June 13, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** Q7278 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1105 CENTRAL EXPY N STE 235, Allen, TX 75013-6135
- **Phone:** (972) 747-6042 · **Fax:** (972) 747-6043
## 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:** Texas Health Physicians Group (NPI 1053767897, Dallas, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** September 13, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1811335714) · Data from the CMS NPPES public registry.