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MARIAH WHITE PA-C
NPI 1659731529
Physician Assistant in O Fallon, MO

Active since March 04, 2016PECOS EnrolledAccepts Medicare Assignment
20 PROGRESS POINT PKWY STE 200, O FALLON, MO 63368(636) 916-7060(636) 916-9421 Get Directions Write a Review

NPPES record last updated: January 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 2, 2021, Mar 4, 2016 (2 updates tracked since 2016).

About Mariah White Pa-c NPPES

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

MARIAH WHITE PA-C (NPI 1659731529) is an individual physician assistant in O Fallon, Missouri, licensed in Missouri (2016006527) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Barnes-jewish St Peters Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1659731529
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARIAH WHITECredential: PA-C
Location Address20 PROGRESS POINT PKWY STE 200O Fallon, MO 63368-2207
Mailing AddressPo Box 959354Saint Louis, MO 63195-1637 · (636) 916-7060 · Fax (636) 916-9421
Phone(636) 916-7060
Fax(636) 916-9421
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 4, 2016
Last NPPES UpdateJanuary 14, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2025
✔ NPI 1659731529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MO · 2016006527
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
20 PROGRESS POINT PKWY STE 200, O Fallon, MO 63368
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Other Names 1

Former Name (1)Mariah Patton

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

Mariah White Pa-c 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 ID4486951571
PECOS Enrollment IDI20160405001722
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 5

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.
76 services56 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.
39 services38 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.
29 services26 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.
18 services17 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.
17 services17 patients

Hospital Affiliations CMS Care Compare 2

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

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

Progress West Hospital

Acute Care Hospitals · O Fallon, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260219
Location2 Progress Point PkwyO Fallon, MO 63368 · St. Charles County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63368 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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 3

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

DR. SALIM CHAHIN MD
Psychiatry & Neurology (Neurology)
20 PROGRESS POINT PKWY STE 200
O FALLON, MO 63368
St. Charles County (636) 916-7060
DR. JONATHAN PAUL WILLIAMS MD
Psychiatry & Neurology (Neurology)
20 PROGRESS POINT PKWY STE 200
O FALLON, MO 63368
St. Charles County (636) 916-7060
DR. OSVALDO J LAURIDO SOTO MD
Psychiatry & Neurology (Neurology)
20 PROGRESS POINT PKWY STE 200
O FALLON, MO 63368
St. Charles County (636) 916-7060

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 Mariah White's NPI number?

The NPI number for Mariah White is 1659731529. It was assigned to this individual provider in the NPPES registry on March 4, 2016. The provider is also known as Mariah Patton.

Where is Mariah White located?

Mariah White practices at 20 Progress Point Pkwy Ste 200, O Fallon, MO 63368. The listed phone number is (636) 916-7060.

What is Mariah White's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Mariah White enrolled in Medicare?

Yes. Mariah White 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 Mariah White affiliated with any hospitals?

According to CMS data, Mariah White is affiliated with Barnes-Jewish St Peters Hospital and Progress West Hospital.

When was this NPI record last updated?

The NPPES record for Mariah White was last updated on January 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.