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NADEEM SIDDIQUI M.D.
NPI 1417915844
Internal Medicine - Nephrology in Plano, TX

Active since May 03, 2006PECOS EnrolledAccepts Medicare Assignment
4701 OLD SHEPARD PL STE 100, PLANO, TX 75093(214) 358-2300(214) 579-6992 Get Directions Write a Review

NPPES record last updated: April 22, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 22, 2024, Nov 14, 2023 (2 updates tracked since 2023).

About Nadeem Siddiqui M.d. NPPES

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

NADEEM SIDDIQUI M.D. (NPI 1417915844) is an individual nephrology provider in Plano, Texas, licensed in Texas (L7183) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Medical City Plano, and maintains a secondary practice location in Mount Pleasant.

NPPES Registry Identity

NPI1417915844
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameNADEEM SIDDIQUICredential: M.D.
Location Address4701 OLD SHEPARD PL STE 100Plano, TX 75093-5295
Mailing Address1505 Lbj Fwy Ste 700Dallas, TX 75234-6065 · (214) 358-2300 · Fax (214) 579-6941
Phone(214) 358-2300
Fax(214) 579-6992
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateMay 3, 2006
Last NPPES UpdateApril 22, 20242 updates tracked since enumeration
NPPES CertifiedApril 22, 2024
✔ NPI 1417915844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in TX · L7183
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
4701 OLD SHEPARD PL STE 100, Plano, TX 75093
Open in Google Maps ↗

Secondary Practice Location 1

Location 12001 N Jefferson AveMount Pleasant, TX 75455-2338 · Phone (903) 577-6000

Other Identifiers 1

OtherL7183TX · Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Molina Healthcare and more.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

Nadeem Siddiqui 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.

PECOS PAC ID5890891998
PECOS Enrollment IDI20090217000342
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 Nadeem Siddiqui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dallas Nephrology Associates
11 mi
Nephrology
1505 LBJ FWY STE 700
Dallas, TX 75234
  • Reassigned Medicare billing, Texas enrollment
  • 183 clinicians in this Medicare group
NPI 1861440109 (214) 358-2300

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 9

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
961 services168 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
368 services178 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
121 services19 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
121 services99 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
51 services28 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
30 services17 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medical City Plano

Acute Care Hospitals · Plano, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450651
Location3901 W 15th StPlano, TX 75075 · Collin County
Emergency services Birthing friendly

Baylor Scott & White Medical Center - Centennial

Acute Care Hospitals · Frisco, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number450885
Location12505 Lebanon RoadFrisco, TX 75035 · Collin County
Emergency services Birthing friendly

Baylor Scott & White Medical Center Plano

Acute Care Hospitals · Plano, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number450890
Location4700 Alliance BoulevardPlano, TX 75093 · Collin County
Emergency services

Baylor Scott & White The Heart Hospital - Plano

Acute Care Hospitals · Plano, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number670025
Location1100 Allied DrivePlano, TX 75093 · Collin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75093 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
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 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADAM WEILUM TSEN MD
Internal Medicine (Nephrology)
4701 OLD SHEPARD PL STE 100
PLANO, TX 75093
Collin County (214) 643-7600
DR. AMOLA S BAGRI M.D.
Internal Medicine (Nephrology)
4701 OLD SHEPARD PL STE 100
PLANO, TX 75093
Collin County (214) 358-2300
EMILY GREEN FNP
Nurse Practitioner
4701 OLD SHEPARD PL STE 100
PLANO, TX 75093
Collin County (214) 358-2300
RAKESH KILARI MD
Internal Medicine (Nephrology)
4701 OLD SHEPARD PL STE 100
PLANO, TX 75093
Collin County (214) 358-2300
DR. LORI SHANNON GLOWACKI M.D.
Internal Medicine (Nephrology)
4701 OLD SHEPARD PL STE 100
PLANO, TX 75093
Collin County (214) 358-2300
SAMAHA SYED MD
Internal Medicine (Nephrology)
4701 OLD SHEPARD PL STE 100
PLANO, TX 75093
Collin County (214) 358-2300

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 Nadeem Siddiqui's NPI number?

The NPI number for Nadeem Siddiqui is 1417915844. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is Nadeem Siddiqui located?

Nadeem Siddiqui practices at 4701 Old Shepard Pl Ste 100, Plano, TX 75093. The listed phone number is (214) 358-2300.

What is Nadeem Siddiqui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Nadeem Siddiqui enrolled in Medicare?

Yes. Nadeem Siddiqui 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 Nadeem Siddiqui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nadeem Siddiqui reassigns Medicare benefits to Dallas Nephrology Associates (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 Nadeem Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nadeem Siddiqui accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company and UnitedHealthcare list Nadeem 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.

Is Nadeem Siddiqui affiliated with any hospitals?

According to CMS data, Nadeem Siddiqui is affiliated with Medical City Plano, Baylor Scott & White Medical Center - Centennial, Baylor Scott & White Medical Center Plano and Baylor Scott & White The Heart Hospital - Plano.

When was this NPI record last updated?

The NPPES record for Nadeem Siddiqui was last updated on April 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.