MEHREEN BELAL KHANN M.D.
NPI 1942292420
Internal Medicine in Weldon Spring, MO

Active since August 19, 2005PECOS EnrolledAccepts Medicare Assignment
4801 WELDON SPRING PKWY, WELDON SPRING, MO 63304(636) 333-4500(636) 386-5386 Get Directions Write a Review

NPPES record last updated: December 12, 2024. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 12, 2024, Mar 12, 2021 (2 updates tracked since 2021).

About Mehreen Belal Khann M.d. NPPES

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

MEHREEN BELAL KHANN M.D. (NPI 1942292420) is an individual internal medicine provider in Weldon Spring, Missouri, licensed in Missouri (2004011001) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with Missouri Baptist Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1942292420
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMEHREEN BELAL KHANNCredential: M.D.
Location Address4801 WELDON SPRING PKWYWeldon Spring, MO 63304-9101
Mailing AddressPo Box 1449Maryland Heights, MO 63043-0449 · (636) 333-4500 · Fax (636) 386-5386
Fax(636) 386-5386
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateAugust 19, 2005
Last NPPES UpdateDecember 12, 20242 updates tracked since enumeration
NPPES CertifiedDecember 12, 2024
NPI 1942292420 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 MO · 2004011001
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 2004011001 (MO)
4801 WELDON SPRING PKWY, Weldon Spring, MO 63304

Secondary Practice Locations 2

Location 111133 Dunn RdSaint Louis, MO 63136-6119 · Phone (314) 317-0600 · Fax (314) 317-0606
Location 23015 N Ballas RdSaint Louis, MO 63131-2329 · Phone (314) 996-5772

Other Identifiers 2

Medicaid1942292420MO
Medicaid1942294240IL

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

Mehreen Belal Khann 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 ID2567422793
PECOS Enrollment IDI20041013000101
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 7

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

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.
290 services158 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
50 services46 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.
35 services29 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.
31 services24 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
15 services15 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County
Emergency services Birthing friendly

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260180
Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County
Emergency services

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63304 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.

Other Providers at the Same Location NPPES 19

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

Counselor (Professional)
4801 WELDON SPRING PKWY, STE. 300
WELDON SPRING, MO 63304
Clinic/Center (Adult Mental Health)
4801 WELDON SPRING PKWY
WELDON SPRING, MO 63304
Counselor (Professional)
4801 WELDON SPRING PKWY, SUITE 300
WELDON SPRING, MO 63304
Counselor (Professional)
4801 WELDON SPRING PKWY
WELDON SPRING, MO 63304
Counselor (Professional)
4801 WELDON SPRING PKWY
WELDON SPRING, MO 63304
Counselor (Professional)
4801 WELDON SPRING PKWY
WELDON SPRING, MO 63304
Nurse Practitioner (Psychiatric/Mental Health)
4801 WELDON SPRING PKWY
WELDON SPRING, MO 63304
Nurse Practitioner (Psychiatric/Mental Health)
4801 WELDON SPRING PKWY
WELDON SPRING, MO 63304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942292420, enumerated as an "individual" on August 19, 2005.

The provider is located at 4801 WELDON SPRING PKWY WELDON SPRING, MO 63304 and the phone number is (636) 333-4500.

Internal Medicine with taxonomy code 207R00000X.

The provider might be accepting Accepts: Oscar Insurance Company, Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.

Mehreen Khann is affiliated with: MISSOURI BAPTIST MEDICAL CENTER, CHRISTIAN HOSPITAL NORTHEAST and BARNES-JEWISH ST PETERS HOSPITAL.