AHMER ALI M.D.
NPI 1275825978
Psychiatry & Neurology - Sleep Medicine in Lake Barrington, IL

Q: What is Ahmer Ali's NPI number?

The NPI number for Ahmer Ali is 1275825978. It was assigned to this individual provider in the NPPES registry on May 12, 2011.

Q: What is Ahmer Ali's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.

Q: When was this NPI record last updated?

The NPPES record for Ahmer Ali was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 12, 2011PECOS EnrolledAccepts Medicare Assignment

22285 N PEPPER RD, SUITE 401, LAKE BARRINGTON, IL 60010(847) 882-6604(847) 882-6228 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Mar 24, 2017 (2 updates tracked since 2017).

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About Ahmer Ali M.d. NPPES

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

AHMER ALI M.D. (NPI 1275825978) is an individual sleep medicine provider in Lake Barrington, Illinois, licensed in Illinois (036.137911) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and is a graduate of Wayne State University School Of Medicine (2011).

NPPES Registry Identity

NPI1275825978

Entity TypeIndividualMale

Primary Taxonomy2084S0012X

Provider Legal NameAHMER ALICredential: M.D.

Location Address22285 N PEPPER RD, SUITE 401Lake Barrington, IL 60010-2542

Mailing Address22285 N Pepper Rd Ste 401Lake Barrington, IL 60010-2542 · (847) 882-6604 · Fax (847) 882-6228

Phone(847) 882-6604

Fax(847) 882-6228

Sole ProprietorNo

Medical School CMSWayne State University School Of MedicineGraduated 2011

Enumeration DateMay 12, 2011

Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration

✔ NPI 1275825978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2084S0012X

License✔ Licensed in IL · 036.137911

Definition

A Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 036.137911 (IL), 036137911 (IL)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

22285 N PEPPER RD, Lake Barrington, IL 60010

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Accepted Insurance

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

Ahmer Ali 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 ID4183926744

PECOS Enrollment IDI20170822002114

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 Ahmer Ali reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwest Neurology, Ltd

Same address

Neurology

22285 N PEPPER RD, SUITE 401
Lake Barrington, IL 60010

Reassigned Medicare billing, Illinois enrollment
33 clinicians in this Medicare group

NPI 1427094077 (847) 882-6604

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 16

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, gadobutrol, 0.1 ml A9585

Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.

1,600 services18 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.

241 services150 patients

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.

165 services119 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

120 services83 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

119 services59 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.

105 services105 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.

52 services42 patients

Sleep study including heart rate, breathing, airflow, and effort 95806

A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.

40 services39 patients

Measurement of brain wave activity (eeg), awake and asleep 95819

The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.

28 services28 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

21 services21 patients

Sleep study in sleep lab (6 years or older) 95810

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

18 services18 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

18 services18 patients

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.

17 services15 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

16 services16 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

16 services11 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Advocate Sherman Hospital

Acute Care Hospitals · Elgin, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140030

Location1425 North Randall RoadElgin, IL 60123 · Kane County

Emergency services Birthing friendly

Amita Health Resurrection Medical Center

Acute Care Hospitals · Chicago, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140117

Location7435 W Talcott AvenueChicago, IL 60631 · Cook County

Emergency services Birthing friendly

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140252

Location800 W Central RoadArlington Heights, IL 60005 · Cook County

Emergency services Birthing friendly

St Alexius Medical Center

Acute Care Hospitals · Hoffman Estates, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140290

Location1555 N Barrington RdHoffman Estates, IL 60169 · Cook County

Emergency services Birthing friendly

Advocate Good Shepherd Hospital

Acute Care Hospitals · Barrington, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140291

Location450 West Highway 22Barrington, IL 60010 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60010 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.

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604