MRS. THERESA A BOXDORFER FNP
NPI 1063566768
Nurse Practitioner - Family in Saint Louis, MO

Q: What is Theresa Boxdorfer's NPI number?

The NPI number for Theresa Boxdorfer is 1063566768. It was assigned to this individual provider in the NPPES registry on January 22, 2007.

Q: What is Theresa Boxdorfer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Theresa Boxdorfer was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since January 22, 2007PECOS Enrolled

12639 OLD TESSON RD, SUITE 115, SAINT LOUIS, MO 63128(314) 849-0311(314) 849-4423 Get Directions Write a Review

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 23, 2019, Jan 10, 2019 (2 updates tracked since 2019).

On this page

About Mrs. Theresa A Boxdorfer Fnp NPPES

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

MRS. THERESA A BOXDORFER FNP (NPI 1063566768) is an individual family provider in Saint Louis, Missouri, licensed in Missouri (126462) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1063566768

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMRS. THERESA A BOXDORFERCredential: FNP

Location Address12639 OLD TESSON RD, SUITE 115Saint Louis, MO 63128-2786

Mailing Address12639 Old Tesson Rd, Suite 115Saint Louis, MO 63128-2786 · (314) 849-0311 · Fax (314) 849-4423

Phone(314) 849-0311

Fax(314) 849-4423

Sole ProprietorNo

Enumeration DateJanuary 22, 2007

Last NPPES UpdateAugust 19, 20252 updates tracked since enumeration

NPPES CertifiedAugust 19, 2025

✔ NPI 1063566768 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in MO · 126462

12639 OLD TESSON RD, Saint Louis, MO 63128

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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Theresa A Boxdorfer Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Signature Medical Group, Inc

Same address

Orthopaedic Surgery

12639 OLD TESSON RD, SUITE 115
Saint Louis, MO 63128

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

NPI 1871542761 (314) 849-0311

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 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.

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

504 services116 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.

346 services237 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

243 services133 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

182 services120 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

125 services91 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.

90 services87 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

69 services40 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

58 services12 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

43 services30 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

43 services24 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

34 services23 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.

34 services34 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

26 services14 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

16 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63128 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

$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 20

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

MRS. LOUISE M HILDEBOLT PA-C

Physician Assistant

12639 OLD TESSON RD, SUITE 115
SAINT LOUIS, MO 63128

St. Louis County (314) 849-0311

NATHANAEL OLSON

Orthopaedic Surgery (Hand Surgery)

12639 OLD TESSON RD
SAINT LOUIS, MO 63128

St. Louis County (314) 849-0311

BRIAN ANTHONY FISSEL M.D.

Orthopaedic Surgery

12639 OLD TESSON RD, SUITE 115
SAINT LOUIS, MO 63128

St. Louis County (314) 849-0311

DR. DENNIS A DUSEK M.D.

Orthopaedic Surgery

12639 OLD TESSON RD, SUITE 115
SAINT LOUIS, MO 63128

St. Louis County (314) 849-0311

OLD TESSON SURGERY CENTER, L.P.

Clinic/Center (Ambulatory Surgical)

12639 OLD TESSON RD, STE 130
SAINT LOUIS, MO 63128

St. Louis County (314) 729-0785

MEDICAL IMPLANT SLOUTIONS, LLC

Durable Medical Equipment & Medical Supplies

12639 OLD TESSON RD, 116
SAINT LOUIS, MO 63128

St. Louis County (303) 840-2388

MRS. MOLLY KAY CRAWFORD OT

Occupational Therapist

12639 OLD TESSON RD, SUITE 120
SAINT LOUIS, MO 63128

St. Louis County (314) 842-3968

SIGNATURE HEALTHCARE FOUNDATION

Durable Medical Equipment & Medical Supplies

12639 OLD TESSON RD, SUITE 120
SAINT LOUIS, MO 63128

St. Louis County (314) 842-3968

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 Theresa Boxdorfer's NPI number?

The NPI number for Theresa Boxdorfer is 1063566768. It was assigned to this individual provider in the NPPES registry on January 22, 2007.

Where is Theresa Boxdorfer located?

Theresa Boxdorfer practices at 12639 Old Tesson Rd Suite 115, Saint Louis, MO 63128. The listed phone number is (314) 849-0311.

What is Theresa Boxdorfer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Theresa Boxdorfer enrolled in Medicare?

Yes. Theresa Boxdorfer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Theresa Boxdorfer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Boxdorfer reassigns Medicare benefits to Signature Medical Group, Inc (Saint Louis, MO). The 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 Theresa Boxdorfer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Theresa Boxdorfer accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Ambetter of Tennessee and 3 other insurers list Theresa Boxdorfer 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.

When was this NPI record last updated?

The NPPES record for Theresa Boxdorfer was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.