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TAHIR MAHMOOD MD
NPI 1598849895
Internal Medicine in Lombard, IL

Active since October 24, 2006PECOS EnrolledAccepts Medicare Assignment
2500 S HIGHLAND AVE STE 230, LOMBARD, IL 60148(630) 429-9000(630) 429-9060 Get Directions Write a Review

NPPES record last updated: March 15, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 7, 2023, Feb 21, 2020, Jan 8, 2020 (3 updates tracked since 2020).

About Tahir Mahmood Md NPPES

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

TAHIR MAHMOOD MD (NPI 1598849895) is an individual internal medicine provider in Lombard, Illinois, licensed in Illinois (036108276) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Good Samaritan Hospital, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1598849895
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTAHIR MAHMOODCredential: MD
Location Address2500 S HIGHLAND AVE STE 230Lombard, IL 60148-7103
Mailing Address2500 S Highland Ave Ste 230Lombard, IL 60148-7103 · (630) 429-9000 · Fax (306) 429-9060
Phone(630) 429-9000
Fax(630) 429-9060
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateOctober 24, 2006
Last NPPES UpdateMarch 15, 20243 updates tracked since enumeration
NPPES CertifiedMarch 14, 2024
✔ NPI 1598849895 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036108276
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License 036108276 (IL)
2500 S HIGHLAND AVE STE 230, Lombard, IL 60148
Open in Google Maps ↗

Other Identifiers 1

Medicaid036108276IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tahir Mahmood 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 ID1658475546
PECOS Enrollment IDI20070403000076
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.

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
79 services37 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
30 services30 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
22 services22 patients
Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005
An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.
19 services18 patients

Hospital Affiliations CMS Care Compare 4

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

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

Uchicago Medicine Adventhealth Glenoaks

Acute Care Hospitals · Glendale Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140292
Location701 Winthrop AvenueGlendale Heights, IL 60139 · Du Page County
Emergency services Birthing friendly

Mercy Harvard Hospital

Critical Access Hospitals · Harvard, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141335
Location901 S Grant StreetHarvard, IL 60033 · Mc Henry County
Emergency services

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60148 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
99%320 patients4/55-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 4

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

CASEYLIN ONG CHENG PA-C
Physician Assistant (Medical)
2500 S HIGHLAND AVE STE 230
LOMBARD, IL 60148
Dupage County (630) 429-9000
TEJALKUMARI ATIT PATEL APN
Nurse Practitioner (Family)
2500 S HIGHLAND AVE STE 230
LOMBARD, IL 60148
Dupage County (630) 429-9000
HIRAL HIREN PATEL
Nurse Practitioner (Family)
2500 S HIGHLAND AVE STE 230
LOMBARD, IL 60148
Dupage County (630) 429-9000
SARANGI R. PATEL MSN, APRN, FNP-C
Nurse Practitioner (Family)
2500 S HIGHLAND AVE STE 230
LOMBARD, IL 60148
Dupage County (630) 429-9000

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 Tahir Mahmood's NPI number?

The NPI number for Tahir Mahmood is 1598849895. It was assigned to this individual provider in the NPPES registry on October 24, 2006.

Where is Tahir Mahmood located?

Tahir Mahmood practices at 2500 S Highland Ave Ste 230, Lombard, IL 60148. The listed phone number is (630) 429-9000.

What is Tahir Mahmood's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Tahir Mahmood enrolled in Medicare?

Yes. Tahir Mahmood 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.

Is Tahir Mahmood affiliated with any hospitals?

According to CMS data, Tahir Mahmood is affiliated with Advocate Good Samaritan Hospital, Uchicago Medicine Adventhealth Glenoaks, Mercy Harvard Hospital and Mercy Health System Corp.

When was this NPI record last updated?

The NPPES record for Tahir Mahmood was last updated on March 15, 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.