Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CHELSEA ELIZABETH PEARSON MD
NPI 1407295512
Internal Medicine in Arnold, MO

Q: What is Chelsea Pearson's NPI number?

The NPI number for Chelsea Pearson is 1407295512. It was assigned to this individual provider in the NPPES registry on June 21, 2013.

Q: What is Chelsea Pearson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Chelsea Pearson was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days 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 June 21, 2013PECOS Enrolled

3783 VOGEL RD, ARNOLD, MO 63010(314) 948-3491(833) 455-8497 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 2, 2026, Apr 25, 2024, Apr 10, 2024 and 4 more (7 updates tracked since 2016).

On this page

About Dr. Chelsea Elizabeth Pearson Md NPPES

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

DR. CHELSEA ELIZABETH PEARSON MD (NPI 1407295512) is an individual internal medicine provider in Arnold, Missouri, licensed in Missouri (2015007389) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of Washington University School Of Medicine (2013).

NPPES Registry Identity

NPI1407295512

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. CHELSEA ELIZABETH PEARSONCredential: MD

Location Address3783 VOGEL RDArnold, MO 63010-6202

Mailing Address3783 Vogel RdArnold, MO 63010-6202 · (314) 948-3491 · Fax (833) 455-8497

Phone(314) 948-3491

Fax(833) 455-8497

Sole ProprietorNo

Medical School CMSWashington University School Of MedicineGraduated 2013

Enumeration DateJune 21, 2013

Last NPPES UpdateSeptember 2, 20267 updates tracked since enumeration

NPPES CertifiedSeptember 2, 2026

✔ NPI 1407295512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MO · 2015007389

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.

3783 VOGEL RD, Arnold, MO 63010

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Chelsea Elizabeth Pearson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9537398821

PECOS Enrollment IDI20170126000607

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 Reassignments

Medicare enrollment records show Chelsea Pearson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Washington University Clinical Associates - Maryland Medical

16 mi

Multi-Specialty

1110 HIGHLANDS PLAZA DR E, SUITE 375
Saint Louis, MO 63110

Reassigned Medicare billing, Missouri enrollment
10 clinicians in this Medicare group

NPI 1376869255 (314) 367-3113

Washington University

17 mi

Multi-Specialty

660 S EUCLID AVE
Saint Louis, MO 63110

Reassigned Medicare billing, Missouri enrollment
1,133 clinicians in this Medicare group

NPI 1992746903 (314) 747-5192

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 12

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.

381 services220 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.

273 services202 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

242 services242 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

93 services91 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

93 services91 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

82 services54 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

44 services43 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

42 services41 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

21 services21 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

20 services20 patients

Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes G0446

This is a yearly, personal consultation focused on behaviors affecting heart health. It lasts 15 minutes and may cover topics like diet, exercise, and stress management. It's about learning healthy habits to protect your heart.

20 services20 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Alton Memorial Hospital

Acute Care Hospitals · Alton, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140002

LocationOne Memorial DriveAlton, IL 62002 · Madison County

Emergency services Birthing friendly

Memorial Hospital

Acute Care Hospitals · Belleville, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140185

Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County

Emergency services Birthing friendly

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260032

LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County

Emergency services Birthing friendly

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

Barnes-Jewish West County Hospital

Acute Care Hospitals · Creve Coeur, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260162

Location12634 Olive BoulevardCreve Coeur, MO 63141 · St. Louis County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63010 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 2

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

10 suppliers23 claims45 services$6.02 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

2 suppliers16 claims16 services$160.98 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 4

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

CHELSEA PEARSON LLC

Internal Medicine

3783 VOGEL RD
ARNOLD, MO 63010

Jefferson County (314) 948-3491

DR. ILANA SHAINA ROSMAN MD

Dermatology (Dermatopathology)

3783 VOGEL RD
ARNOLD, MO 63010

Jefferson County (636) 751-0995

MERAMEC DERMATOLOGY LLC

Dermatology

3783 VOGEL RD
ARNOLD, MO 63010

Jefferson County (636) 751-0995

RACHEL KYLLO M.D.

Dermatology

3783 VOGEL RD
ARNOLD, MO 63010

Jefferson County (636) 751-0995

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 Chelsea Pearson's NPI number?

The NPI number for Chelsea Pearson is 1407295512. It was assigned to this individual provider in the NPPES registry on June 21, 2013.

Where is Chelsea Pearson located?

Chelsea Pearson practices at 3783 Vogel Rd, Arnold, MO 63010. The listed phone number is (314) 948-3491.

What is Chelsea Pearson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Chelsea Pearson enrolled in Medicare?

Yes. Chelsea Pearson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Chelsea Pearson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chelsea Pearson reassigns Medicare benefits to 2 organizations: Washington University Clinical Associates - Maryland Medical (Saint Louis, MO) and Washington University (Saint Louis, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Chelsea Pearson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chelsea Pearson accept?

Health plans from Cox HealthPlans and UnitedHealthcare list Chelsea Pearson 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 Chelsea Pearson affiliated with any hospitals?

According to CMS data, Chelsea Pearson is affiliated with Alton Memorial Hospital, Memorial Hospital, Barnes Jewish Hospital, Missouri Baptist Medical Center and Barnes-Jewish West County Hospital.

When was this NPI record last updated?

The NPPES record for Chelsea Pearson was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days 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.