MATTHEW HAMMER FNP-BC
NPI 1144659632
Nurse Practitioner - Family in Maryland Heights, MO

Q: What is Matthew Hammer's NPI number?

The NPI number for Matthew Hammer is 1144659632. It was assigned to this individual provider in the NPPES registry on November 5, 2013.

Q: What is Matthew Hammer'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 Matthew Hammer was last updated on November 5, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 November 05, 2013PECOS EnrolledAccepts Medicare Assignment

2022 DORSETT VLG, MARYLAND HEIGHTS, MO 63043(314) 590-0520 Get Directions Write a Review

NPPES record last updated: November 5, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Matthew Hammer Fnp-bc NPPES

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

MATTHEW HAMMER FNP-BC (NPI 1144659632) is an individual family provider in Maryland Heights, Missouri, licensed in Missouri (2013039400) and active in the NPI registry since November 2013. He is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1144659632

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameMATTHEW HAMMERCredential: FNP-BC

Location Address2022 DORSETT VLGMaryland Heights, MO 63043-2208

Mailing Address2022 Dorsett VlgMaryland Heights, MO 63043-2208

Phone(314) 590-0520

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateNovember 5, 2013

✔ NPI 1144659632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

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

Taxonomy Code363LF0000X

License✔ Licensed in MO · 2013039400

Also ListedRegistered Nurse · EmergencyTaxonomy 163WE0003X · License 2008021336 (MO)

2022 DORSETT VLG, Maryland Heights, MO 63043

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Matthew Hammer Fnp-bc 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 ID9931338092

PECOS Enrollment IDI20140212001423

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 Matthew Hammer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ssm Health Care St. Louis

2.7 mi

Cardiovascular Disease

12303 DE PAUL DR
Bridgeton, MO 63044

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

NPI 1376598599 (314) 344-6000

St Peters Bone & Joint Surgery Inc.

9.2 mi

Orthopaedic Surgery

5200 EXECUTIVE CENTRE PKWY STE 300
Saint Peters, MO 63376

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

NPI 1225182157 (636) 441-3444

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 13

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 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.

101 services97 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

91 services91 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

41 services41 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.

24 services24 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

23 services23 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.

23 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.

22 services22 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.

20 services20 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.

19 services18 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.

19 services19 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.

17 services17 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.

16 services16 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260179

Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63043 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Walking boot, pneumatic and/or vacuum, with or without joints, with or without interface material, prefabricated, off-the-shelf L4361

DME-Orthotic Devices · category DF003N

1 supplier11 claims11 services$215.34 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 3

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

HELEN R EVANS FNP-C

Nurse Practitioner (Family)

2022 DORSETT VLG
MARYLAND HEIGHTS, MO 63043

St. Louis County (314) 590-0520

KATHERINE CHAMBERS P.A.

Physician Assistant

2022 DORSETT VLG
MARYLAND HEIGHTS, MO 63043

St. Louis County (314) 590-0520

MRS. JESSICA ANN KESTERSON FNP-BC

Nurse Practitioner (Family)

2022 DORSETT VLG
MARYLAND HEIGHTS, MO 63043

St. Louis County (314) 590-0520

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 Matthew Hammer's NPI number?

The NPI number for Matthew Hammer is 1144659632. It was assigned to this individual provider in the NPPES registry on November 5, 2013.

Where is Matthew Hammer located?

Matthew Hammer practices at 2022 Dorsett Vlg, Maryland Heights, MO 63043. The listed phone number is (314) 590-0520.

What is Matthew Hammer's specialty?

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

Is Matthew Hammer enrolled in Medicare?

Yes. Matthew Hammer 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.

Which organizations bill Medicare for Matthew Hammer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Hammer reassigns Medicare benefits to 2 organizations: Ssm Health Care St. Louis (Bridgeton, MO) and St Peters Bone & Joint Surgery Inc. (Saint Peters, 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 Matthew Hammer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Hammer accept?

Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Matthew Hammer 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 Matthew Hammer affiliated with any hospitals?

According to CMS data, Matthew Hammer is affiliated with St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Matthew Hammer was last updated on November 5, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.