Dr. Tahseen J. Siddiqui, MD

  • Chicago, IL
  • Infectious disease specialist
NPI1487715264PAC ID8123127586
Medicare services, 2024
397
Medicare patients, 2024
136
Part D claims, 2024
179
Publications
2
Hospital affiliations
4
Practice address
1044 N Francisco Ave, Chicago, IL 60622
Practice phone
Call (773) 292-8200
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Humboldt Park Health

Hospital · Chicago, Illinois

See all 6 affiliations

Find Dr. Siddiqui's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Tahseen J. Siddiqui is an infectious disease specialist in Chicago, Illinois

Dr. Siddiqui practices at Humboldt Park Health in Chicago, Illinois, part of Humboldt Park Health.

Dr. Siddiqui's NPI, 1487715264, was assigned on December 13, 2006. Dr. Siddiqui graduated from Sind Medical College in 1986. Dr. Siddiqui holds Illinois license 036-105217.

NPI and contact details
Medicare PAC ID
8123127586
NPI enumeration date
December 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(773) 292-8200
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
66
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Tahseen J. Siddiqui practices at Humboldt Park Health in Chicago, Illinois

Dr. Siddiqui's primary practice is Humboldt Park Health, at 1044 N Francisco Ave, Chicago, IL 60622 in Cook County. The practice phone is (773) 292-8200.

Source: Dmand AI Affiliation Data

Dr. Tahseen J. Siddiqui is affiliated with 5 sites of care and 1 medical group

Dr. Siddiqui's primary practice is Humboldt Park Health in Chicago, Illinois, part of Humboldt Park Health. Dr. Siddiqui is also affiliated with Holy Cross Hospital. The medical group on file is Chicago Infectious Disease Physicians Group. Dmand AI also links Dr. Siddiqui to 2 more hospitals and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Siddiqui

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Tahseen J. Siddiqui's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siddiqui practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Humboldt Park HealthAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Siddiqui practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Humboldt Park Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Tahseen J. Siddiqui is one of 400 infectious disease specialists in Illinois

Infectious disease is Dr. Siddiqui's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Siddiqui is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Siddiqui's licenses on file in 2 states: Illinois and Iowa.

Specialties and state licenses

  • Infectious disease, IllinoisPrimaryLicense 036-105217 · 2001 to 2026 · taxonomy 207RI0200X
  • Iowa license1998 to 2003

Clinical focus

Dmand AI lists ankle or foot injury, hiv/aids and UTI among the conditions Dr. Siddiqui treats.

Infectious disease specialists near Dr. Siddiqui

Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Tahseen J. Siddiqui billed Medicare for 397 services in 2024

CMS data shows 397 Medicare services from Dr. Siddiqui across 4 procedure codes in 2024, for 136 Medicare patients. Medicare paid $38,730 for them.

Medicare services, 2024397
Medicare patients136
Paid by Medicare$38,730
Procedure codes4

Dr. Siddiqui's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2282024: 39774%

Where Dr. Siddiqui's Medicare services took place, 2024

  • In an office297%
  • In a facility36893%

Dr. Siddiqui compared with the Illinois median for infectious disease specialists, 2024

  • Dr. Siddiqui
  • Illinois median
Medicare services
397vs 44010% below
Medicare patients
136vs 21035% below
Part D claims
77vs 19561% below

Medians across 383 infectious disease specialists in Illinois with Dmand AI profiles that report each measure.

Dr. Siddiqui's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Siddiqui

Need commercial claims for Dr. Siddiqui?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Siddiqui and other infectious disease specialists in Illinois.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Tahseen J. Siddiqui treated 136 Medicare patients in 2024, average age 70

CMS counts 136 Medicare patients who saw Dr. Siddiqui in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 85% are also on Medicaid. Their average risk score is 3.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Siddiqui's median patient age at 62, with 44% women.

Medicare patients, 2024136
Average age70
Average risk score3.90
Also on Medicaid85%

Dr. Siddiqui's Medicare patients by age, 2024

Dr. Siddiqui's Medicare patients by sex, 2024

  • Women6749%
  • Men6951%

Chronic conditions among Dr. Siddiqui's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes68%
  4. Arthritis60%
  5. Ischemic heart disease55%
  6. Heart failure54%
  7. Chronic kidney disease52%
  8. Mood disorders48%

Share of Medicare patients with each condition. A patient can have several.

Dr. Siddiqui's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women44%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Tahseen J. Siddiqui wrote 179 Medicare Part D claims in 2024

In 2024, Dr. Siddiqui wrote 179 Medicare Part D claims for 38 patients. 63% of them were for generic drugs. CMS names the drug for 77 of them, across 4 drugs with 11 or more claims each, at $185,960 in total drug cost. In 2023, CMS named 69 claims across 4 drugs.

Part D claims, 2024179
Drugs named by CMS4
Total drug cost$185,960
Part D patients38

Dr. Siddiqui's Part D claims by kind of drug, 2024

  • Generic112 claims63%
  • Brand-name67 claims37%

Dr. Siddiqui's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Siddiqui's Part D claims, 2024

  • Antibiotics44%78 of 179 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 692024: 7712%

Drugs named by CMS: 4 in 2024, 4 in 2023.

See all prescribing by Dr. Siddiqui

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Tahseen J. Siddiqui ranks in the 64th percentile for removal of tissue in Medicare

Dr. Siddiqui accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of removal of tissue by Dr. Siddiqui, more than 64% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Siddiqui ranks in Medicare procedure volume

Removal of tissue
64th percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find infectious disease specialists like Dr. Siddiqui by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Tahseen J. Siddiqui has 2 publications on record

Dmand AI links 2 papers to Dr. Siddiqui, published from 2005 to 2021. Dr. Siddiqui's most frequent co-authors are Jorge P. Parada, MD, MPH and Susmita Unni, MD, MPH.

Papers2
Years published2005 to 2021

Dr. Siddiqui's most frequent co-authors

Recent publications by Dr. Siddiqui

See all 2 publications and co-authors

See who Dr. Siddiqui researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Siddiqui works with, so you can find a warm path to the right infectious disease specialists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Tahseen J. Siddiqui received $675 in industry payments from 2016 to 2025

CMS Open Payments shows 20 general payments to Dr. Siddiqui from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Merck Sharp & Dohme Corporation paid the most, $191.

General payments to Dr. Siddiqui by program year, 2016 to 2025

General payments to Dr. Siddiqui by kind, 2016 to 2025

$675in total
  • Food and beverage$64996%
  • Education$264%

Companies that paid Dr. Siddiqui the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Siddiqui

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Tahseen J. Siddiqui has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Siddiqui, most recently “America’s Top Physician” (Infectious Disease) in 2014.

Awards and honors for Dr. Siddiqui

  1. 2014
    • “America’s Top Physician” (Infectious Disease)
  2. 2013
    • Outstanding Achievement in the field of endeavor and contribution to the betterment of contemporary society
    • Peer Reviewed Physicians Award
  3. 2007
    • “Award of Appreciation” Outstanding Achievements in the Field of Medicine

Source: Dmand AI Professional Profile Data

Dr. Tahseen J. Siddiqui graduated from Sind Medical College

Dr. Siddiqui graduated from Sind Medical College in 1986.

  1. Medical schoolSind Medical College
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Tahseen J. Siddiqui accepts plans from 13 insurance carriers

Dr. Siddiqui is in network with 13 carriers, including Aetna, Elevance and Cigna. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Siddiqui accepts, by number of carriers

  1. Medicare11
  2. PPO10
  3. HMO7
  4. POS5
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Tahseen J. Siddiqui's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Tahseen J. Siddiqui

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Tahseen J. Siddiqui's NPI number?

Dr. Tahseen J. Siddiqui's NPI number is 1487715264. It was assigned on December 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Tahseen J. Siddiqui?

Dr. Tahseen J. Siddiqui is an infectious disease specialist in Chicago, Illinois. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Tahseen J. Siddiqui practice?

Dr. Siddiqui practices at 1044 N Francisco Ave, Chicago, IL 60622. Dr. Siddiqui's primary practice is Humboldt Park Health in Chicago, Illinois, part of Humboldt Park Health. Dmand AI also links Dr. Siddiqui to 2 hospitals and 1 group practice or clinic.

What is Dr. Tahseen J. Siddiqui's office phone number?

The practice phone on file for Dr. Siddiqui is (773) 292-8200.

What is Dr. Tahseen J. Siddiqui's medical license number?

Dr. Siddiqui holds Illinois license 036-105217, one of the licenses on file in 2 states.

Which states has Dr. Tahseen J. Siddiqui been licensed in?

Dmand AI has state licenses on file for Dr. Siddiqui in Illinois (2001 to 2026) and Iowa (1998 to 2003).

Which hospitals is Dr. Tahseen J. Siddiqui affiliated with?

Dr. Siddiqui practices at Humboldt Park Health in Chicago, Illinois. Dr. Siddiqui is also affiliated with Holy Cross Hospital. Dmand AI links Dr. Siddiqui to 2 more hospitals.

What medical group is Dr. Tahseen J. Siddiqui part of?

Dr. Siddiqui is linked to Chicago Infectious Disease Physicians Group.

Does Dr. Tahseen J. Siddiqui accept Medicare?

Yes. CMS data shows Dr. Siddiqui billed Medicare for 397 services in 2024, and Dr. Siddiqui accepts Medicare assignment.

How many Medicare patients does Dr. Tahseen J. Siddiqui see?

CMS counts 136 Medicare patients who saw Dr. Siddiqui in 2024, with an average age of 70.

Show 9 more questionsShow fewer questions

Is Dr. Tahseen J. Siddiqui board certified?

Yes. Dr. Siddiqui is board certified in infectious disease by the American Board of Internal Medicine.

What services does Dr. Tahseen J. Siddiqui bill to Medicare?

In 2024, Dr. Siddiqui's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99222) and office visit, established patient (99214).

Where did Dr. Tahseen J. Siddiqui go to medical school?

Dr. Siddiqui graduated from Sind Medical College in 1986.

What drugs does Dr. Tahseen J. Siddiqui prescribe most?

In 2024 Medicare Part D data, Dr. Siddiqui's most prescribed drugs by claims were Biktarvy, Amoxicillin-Clavulanate Potass and Levofloxacin.

Has Dr. Tahseen J. Siddiqui received payments from drug or device companies?

CMS Open Payments shows $675 in general payments to Dr. Siddiqui from 7 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Tahseen J. Siddiqui been practicing?

Dr. Siddiqui graduated from medical school in 1986, 40 years ago.

Does Dr. Tahseen J. Siddiqui do research?

Dmand AI links 2 publications to Dr. Siddiqui, published from 2005 to 2021.

Who does Dr. Tahseen J. Siddiqui publish with?

Dr. Siddiqui's most frequent co-authors are Jorge P. Parada, MD, MPH (1 shared paper) and Susmita Unni, MD, MPH (1 shared paper).

What insurance does Dr. Tahseen J. Siddiqui accept?

Dr. Siddiqui is in network with 13 carriers, including Aetna, Elevance and Cigna. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

Selling to infectious disease practices?

See infectious disease specialists in Illinois by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)