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DR. TAHSEEN J SIDDIQUI M. D.
NPI 1487715264
Internal Medicine - Infectious Disease in Orland Park, IL

Active since December 13, 2006PECOS EnrolledAccepts Medicare Assignment
11113 WOODSTOCK DR, ORLAND PARK, IL 60467(708) 351-0292(760) 825-8825 Get Directions Write a Review

NPPES record last updated: February 8, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Tahseen J Siddiqui M. D. NPPES

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

DR. TAHSEEN J SIDDIQUI M. D. (NPI 1487715264) is an individual infectious disease provider in Orland Park, Illinois, licensed in Illinois (036-105217) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with St Bernard Hospital, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1487715264
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. TAHSEEN J SIDDIQUICredential: M. D.
Location Address11113 WOODSTOCK DROrland Park, IL 60467-7611
Mailing Address11113 Woodstock DrOrland Park, IL 60467-7611 · (708) 351-0292 · Fax (760) 825-8825
Phone(708) 351-0292
Fax(760) 825-8825
Sole ProprietorYes
Medical School CMSOtherGraduated 1986
Enumeration DateDecember 13, 2006
Last NPPES UpdateFebruary 8, 2019
✔ NPI 1487715264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in IL · 036-105217
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
11113 WOODSTOCK DR, Orland Park, IL 60467
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Other Identifiers 1

Medicaid036-105217IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Dr. Tahseen J 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 ID8123127586
PECOS Enrollment IDI20070626000280
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 Tahseen Siddiqui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tj Siddiqui Inc
Same address
Infectious Disease
11113 WOODSTOCK DR
Orland Park, IL 60467
  • Reassigned Medicare billing, Illinois enrollment
  • 7 clinicians in this Medicare group
NPI 1053546820 (708) 351-0292

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.

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.
283 services81 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
74 services69 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.
29 services21 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

St Bernard Hospital

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140103
Location326 W 64th StChicago, IL 60621 · Cook County
Emergency services

Thorek Memorial Hospital

Acute Care Hospitals · Chicago, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number140115
Location850 W Irving Park RdChicago, IL 60613 · Cook County
Emergency services

Holy Cross Hospital

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140133
Location2701 W 68th StreetChicago, IL 60629 · Cook County
Emergency services

Humboldt Park Health

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140206
Location1044 N Francisco AveChicago, IL 60622 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60467 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

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.

Reported Quality Measures

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
79%570 patients2/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
96%388 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
17%301 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
42%282 patients2/55-star benchmark: 96%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 77% · 144 patients
83%144 patients
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
54%304 patients3/55-star benchmark: 100%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 59 patients
0%59 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

TJ SIDDIQUI INC
Internal Medicine (Infectious Disease)
11113 WOODSTOCK DR
ORLAND PARK, IL 60467
Cook County (708) 351-0292

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 Tahseen Siddiqui's NPI number?

The NPI number for Tahseen Siddiqui is 1487715264. It was assigned to this individual provider in the NPPES registry on December 13, 2006.

Where is Tahseen Siddiqui located?

Tahseen Siddiqui practices at 11113 Woodstock Dr, Orland Park, IL 60467. The listed phone number is (708) 351-0292.

What is Tahseen Siddiqui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Tahseen Siddiqui enrolled in Medicare?

Yes. Tahseen 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 Tahseen Siddiqui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tahseen Siddiqui reassigns Medicare benefits to Tj Siddiqui Inc (Orland Park, IL). 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 Tahseen Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tahseen Siddiqui accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Tahseen 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 Tahseen Siddiqui affiliated with any hospitals?

According to CMS data, Tahseen Siddiqui is affiliated with St Bernard Hospital, Thorek Memorial Hospital, Holy Cross Hospital and Humboldt Park Health.

When was this NPI record last updated?

The NPPES record for Tahseen Siddiqui was last updated on February 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.