MRS. AHMAREEN H KHAN M.D.
NPI 1669449591
Internal Medicine - Pulmonary Disease in Saint Charles, MO

Q: What is Ahmareen Khan's NPI number?

The NPI number for Ahmareen Khan is 1669449591. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Q: What is Ahmareen Khan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Ahmareen Khan was last updated on February 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 February 28, 2006PECOS EnrolledAccepts Medicare Assignment

400 1ST CAPITOL DR, SUITE 100, SAINT CHARLES, MO 63301(636) 669-0300(636) 669-0301 Get Directions Write a Review

NPPES record last updated: February 2, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Mrs. Ahmareen H Khan M.d. NPPES

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

MRS. AHMAREEN H KHAN M.D. (NPI 1669449591) is an individual pulmonary disease provider in Saint Charles, Missouri, licensed in Missouri (108033) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1669449591

Entity TypeIndividualFemale

Primary Taxonomy207RP1001X

Provider Legal NameMRS. AHMAREEN H KHANCredential: M.D.

Location Address400 1ST CAPITOL DR, SUITE 100Saint Charles, MO 63301-2880

Mailing Address400 1st Capitol Dr, Suite 100Saint Charles, MO 63301-2880 · (636) 669-0300 · Fax (636) 669-0301

Phone(636) 669-0300

Fax(636) 669-0301

Sole ProprietorNo

Medical School CMSOtherGraduated 1989

Enumeration DateFebruary 28, 2006

Last NPPES UpdateFebruary 2, 2015

✔ NPI 1669449591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in MO · 108033

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

400 1ST CAPITOL DR, Saint Charles, MO 63301

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Other Identifiers 8

Other122700MO · Bcbs Of Mo

Other36152MO · Healthcare Usa

Other188931MO · Group Health Plan

Other437468MO · Healthlink

Medicare UPING57448MO

Medicare ID-Type Unspecified917344189MO

Medicaid204972905MO

OtherP00107470MO · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.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

Mrs. Ahmareen H Khan 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 ID6305829839

PECOS Enrollment IDI20040608000239

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 14

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 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.

347 services274 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.

275 services90 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

74 services74 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

74 services74 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

72 services72 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.

70 services36 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

60 services53 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.

54 services54 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.

46 services36 patients

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811

A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.

28 services27 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

19 services14 patients

Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation G0399

A Home Sleep Test (HST) with a Type III Portable Monitor is an unattended test that records your breathing, heart rate, and oxygen levels during sleep. This test uses a minimum of 4 channels to monitor these parameters, helping to diagnose sleep disorders.

19 services19 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

13 services13 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Ssm St Joseph Health Center

Acute Care Hospitals · Saint Charles, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260005

Location300 1st Capitol DrSaint Charles, MO 63301 · St. Charles County

Emergency services

Ssm Health Depaul Hospital St Louis

Acute Care Hospitals · Bridgeton, MO

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number260104

Location12303 Depaul DriveBridgeton, MO 63044 · St. Louis County

Emergency services Birthing friendly

Barnes-Jewish St Peters Hospital

Acute Care Hospitals · Saint Peters, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260191

Location10 Hospital DrSaint Peters, MO 63376 · St. Charles County

Emergency services

Ssm St Joseph Hospital West

Acute Care Hospitals · Lake Saint Louis, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number260200

Location100 Medical PlazaLake Saint Louis, MO 63367 · St. Charles County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63301 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

$128.28 typical visit price

range $55.65 – $169.38

Typical copayment $32.07 (range $13.91 – $42.34)

Most-billed visit code 99204

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

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 31

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

DME-Other DME · category DE001N

8 suppliers95 claims96 services$33.47 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

4 suppliers12 claims38 services$1.39 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable A7005

DME-Other DME · category DE000N

4 suppliers11 claims11 services$10.48 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

8 suppliers118 claims118 services$73.87 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

10 suppliers126 claims344 services$27.91 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

8 suppliers123 claims670 services$16.34 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

7 suppliers122 claims694 services$12.67 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

12 suppliers263 claims263 services$48.65 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

14 suppliers220 claims220 services$15.08 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

6 suppliers26 claims26 services$8.75 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

12 suppliers268 claims268 services$10.19 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

14 suppliers363 claims2,050 services$1.77 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

6 suppliers49 claims49 services$5.02 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

10 suppliers166 claims166 services$10.86 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers64 claims64 services$14.05 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

1 supplier14 claims15 services$28.93 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier12 claims12 services$859.99 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

4 suppliers40 claims48 services$83.58 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0471

DME-Other DME · category DE001N

2 suppliers13 claims15 services$213.06 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

8 suppliers36 claims36 services$117.10 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

4 suppliers38 claims48 services$11.65 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

5 suppliers48 claims55 services$3.36 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

11 suppliers248 claims269 services$28.42 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

9 suppliers375 claims379 services$66.45 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

5 suppliers47 claims48 services$33.82 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

3 suppliers17 claims1,020 services$6.18 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

6 suppliers62 claims12,652 services$0.03 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

1 supplier12 claims720 services$0.82 avg. paid by Medicare

Revefenacin inhalation solution, fda-approved final product, non-compounded, administered through dme, 1 microgram J7677

DME-Drugs Administered Through DME · category DG006N

2 suppliers13 claims68,250 services$0.15 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

2 suppliers72 claims72 services$32.37 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

7 suppliers73 claims73 services$23.20 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

MRS. SHANNON M LAYTON P.T.

Physical Therapist

400 1ST CAPITOL DR, SUITE 101
SAINT CHARLES, MO 63301

St. Charles County (636) 947-5467

CHRISTINA JEANETTE GAUT FNP

Nurse Practitioner (Family)

400 1ST CAPITOL DR, SUITE 301
SAINT CHARLES, MO 63301

St. Charles County (636) 669-3080

DR. MICHELE A WOOD D.O.

Psychiatry & Neurology (Neurology)

400 1ST CAPITOL DR
SAINT CHARLES, MO 63301

St. Charles County (636) 946-1152

SSM CARDIOVASCULAR AND THORACIC SERVICES, INC.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

400 1ST CAPITOL DR, SUITE 301
SAINT CHARLES, MO 63301

St. Charles County (314) 647-8269

DR. MIN PAN M.D.

Psychiatry & Neurology (Neurology)

400 1ST CAPITOL DR, SUITE 407
SAINT CHARLES, MO 63301

St. Charles County (636) 946-1152

CONSULTATIVE CARDIOLOGY, LLC

Internal Medicine (Cardiovascular Disease)

400 1ST CAPITOL DR
SAINT CHARLES, MO 63301

St. Charles County (636) 724-6433

DR. THOMAS A SCHNEIDER II M.D.

Surgery

400 1ST CAPITOL DR
SAINT CHARLES, MO 63301

St. Charles County (636) 940-5710

DR. MARIN I MARCU M.D.

Internal Medicine (Gastroenterology)

400 1ST CAPITOL DR, SUITE 201
SAINT CHARLES, MO 63301

St. Charles County (636) 669-2332

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 Ahmareen Khan's NPI number?

The NPI number for Ahmareen Khan is 1669449591. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Where is Ahmareen Khan located?

Ahmareen Khan practices at 400 1st Capitol Dr Suite 100, Saint Charles, MO 63301. The listed phone number is (636) 669-0300.

What is Ahmareen Khan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Ahmareen Khan enrolled in Medicare?

Yes. Ahmareen Khan 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 Ahmareen Khan accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 2 other insurers list Ahmareen Khan 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 Ahmareen Khan affiliated with any hospitals?

According to CMS data, Ahmareen Khan is affiliated with Ssm St Joseph Health Center, Ssm Health Depaul Hospital St Louis, Barnes-Jewish St Peters Hospital and Ssm St Joseph Hospital West.

When was this NPI record last updated?

The NPPES record for Ahmareen Khan was last updated on February 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.