FARZAN MAHMOOD M.D
NPI 1841484961
Internal Medicine - Rheumatology in Naperville, IL

Active since August 31, 2007PECOS EnrolledAccepts Medicare Assignment
1508 SEQUOIA RD, NAPERVILLE, IL 60540(630) 585-7100 Get Directions Write a Review

NPPES record last updated: May 28, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Farzan Mahmood M.d NPPES

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

FARZAN MAHMOOD M.D (NPI 1841484961) is an individual rheumatology provider in Naperville, Illinois, licensed in Illinois (036-119936) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Advocate Christ Hospital & Medical Center, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1841484961
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameFARZAN MAHMOODCredential: M.D
Location Address1508 SEQUOIA RDNaperville, IL 60540-6389
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateAugust 31, 2007
Last NPPES UpdateMay 28, 2024
NPPES CertifiedMay 28, 2024
NPI 1841484961 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Licenses Licensed in IL · 036-119936 Licensed in WI · 56163
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedInternal MedicineTaxonomy 207R00000X · License 125049227 (IL)
1508 SEQUOIA RD, Naperville, IL 60540

Accepted Insurance

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

Farzan Mahmood 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 ID3971675166
PECOS Enrollment IDI20240320003620
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 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.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
1,980 services33 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
355 services52 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.
226 services176 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.
116 services116 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
75 services52 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
65 services39 patients

Hospital Affiliations CMS Care Compare 3

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

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

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

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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.

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 Farzan Mahmood's NPI number?

The NPI number for Farzan Mahmood is 1841484961. It was assigned to this individual provider in the NPPES registry on August 31, 2007.

Where is Farzan Mahmood located?

Farzan Mahmood practices at 1508 Sequoia Rd, Naperville, IL 60540. The listed phone number is (630) 585-7100.

What is Farzan Mahmood's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Farzan Mahmood enrolled in Medicare?

Yes. Farzan 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.

What insurance does Farzan Mahmood accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Farzan Mahmood 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 Farzan Mahmood affiliated with any hospitals?

According to CMS data, Farzan Mahmood is affiliated with Advocate Christ Hospital & Medical Center, Advocate Good Samaritan Hospital and Aurora St Lukes Medical Center.

When was this NPI record last updated?

The NPPES record for Farzan Mahmood was last updated on May 28, 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.