MICHAEL ROBERT MESSMER D.O.
NPI 1538300561
Family Medicine - Sports Medicine in Godfrey, IL

Q: What is Michael Messmer's NPI number?

The NPI number for Michael Messmer is 1538300561. It was assigned to this individual provider in the NPPES registry on March 21, 2009.

Q: What is Michael Messmer's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sports Medicine, with taxonomy code 207QS0010X.

Q: When was this NPI record last updated?

The NPPES record for Michael Messmer was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 March 21, 2009PECOS EnrolledAccepts Medicare Assignment

5213 GODFREY RD STE 110, GODFREY, IL 62035(618) 619-3330(618) 463-7601 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 19, 2025, Jan 3, 2025, Jun 25, 2024 and 4 more (7 updates tracked since 2016).

On this page

About Michael Robert Messmer D.o. NPPES

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

MICHAEL ROBERT MESSMER D.O. (NPI 1538300561) is an individual sports medicine provider in Godfrey, Illinois, licensed in Illinois (036169796) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2007).

NPPES Registry Identity

NPI1538300561

Entity TypeIndividualMale

Primary Taxonomy207QS0010X

Provider Legal NameMICHAEL ROBERT MESSMERCredential: D.O.

Location Address5213 GODFREY RD STE 110Godfrey, IL 62035-2510

Mailing Address660 Mason Ridge Center Dr Ste 300Saint Louis, MO 63141-8512 · (314) 448-3791 · Fax (314) 996-7658

Phone(618) 619-3330

Fax(618) 463-7601

Sole ProprietorNo

Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2007

Enumeration DateMarch 21, 2009

Last NPPES UpdateSeptember 19, 20257 updates tracked since enumeration

NPPES CertifiedSeptember 19, 2025

✔ NPI 1538300561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Sports MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207QS0010X

Licenses✔ Licensed in IL · 036169796✔ Licensed in IN · 02004856A

Definition

A family medicine physician that is trained to be responsible for continuous care in the field of sports medicine, not only for the enhancement of health and fitness, but also for the prevention of injury and illness. A sports medicine physician must have knowledge and experience in the promotion of wellness and the prevention of injury. Knowledge about special areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation, injuries (treatment and prevention and referral practice) and the role of exercise in promoting a healthy lifestyle are essential to the practice of sports medicine. The sports medicine physician requires special education to provide the knowledge to improve the health care of the individual engaged in physical exercise (sports) whether as an individual or in team participation.

5213 GODFREY RD STE 110, Godfrey, IL 62035

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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

Michael Robert Messmer D.o. 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 ID4587834502

PECOS Enrollment IDI20240726003875

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

Fairview Heights Medical Group, Sc

25 mi

Internal Medicine

670 MASON RIDGE CENTER DR, STE 300
Saint Louis, MO 63141

Reassigned Medicare billing, Illinois enrollment
507 clinicians in this Medicare group

NPI 1811392210 (314) 996-7644

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 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 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.

52 services46 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.

46 services46 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

22 services21 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.

14 services14 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Jersey Community Hospital

Acute Care Hospitals · Jerseyville, IL

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number140059

Location400 Maple Summit RoadJerseyville, IL 62052 · Jersey County

Emergency services

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62035 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

$88.44 typical visit price

range $56.28 – $173.35

Typical copayment $22.11 (range $14.07 – $43.33)

Most-billed visit code 99203

Established Patient

$99.71 typical visit price

range $17.51 – $139.99

Typical copayment $24.92 (range $4.37 – $34.99)

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 16

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

CHRISTEN E RINCKER FNP

Nurse Practitioner