CHARLES S GRIMSHAW M.D.
NPI 1851590673
Orthopaedic Surgery in Saint Louis, MO

Active since July 12, 2007PECOS EnrolledAccepts Medicare Assignment
11125 DUNN RD STE 301, SAINT LOUIS, MO 63136(314) 953-8250 Get Directions Write a Review

NPPES record last updated: February 19, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 19, 2021, Feb 23, 2016 (2 updates tracked since 2016).

About Charles S Grimshaw M.d. NPPES

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

CHARLES S GRIMSHAW M.D. (NPI 1851590673) is an individual orthopaedic surgery provider in Saint Louis, Missouri, licensed in Missouri (2013003539) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1851590673
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameCHARLES S GRIMSHAWCredential: M.D.
Location Address11125 DUNN RD STE 301Saint Louis, MO 63136-6132
Mailing Address11125 Dunn Rd Ste 301Saint Louis, MO 63136-6132 · (314) 953-8250
Sole ProprietorNo
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2007
Enumeration DateJuly 12, 2007
Last NPPES UpdateFebruary 19, 20212 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2021
NPI 1851590673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses Licensed in MO · 2013003539 Licensed in TX · P5073
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
11125 DUNN RD STE 301, Saint Louis, MO 63136

Secondary Practice Location 1

Location 111125 Dunn Rd, Ste 301Saint Louis, MO 63136-6132 · Phone (314) 953-8250 · Fax (314) 953-8255

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

Charles S Grimshaw M.d. 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 ID9234355959
PECOS Enrollment IDI20140731002914
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 8

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.
78 services57 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.
54 services36 patients
Injection, methylprednisolone acetate, 40 mg J1030
Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.
36 services14 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.
34 services26 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.
23 services23 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.
16 services14 patients

Hospital Affiliations CMS Care Compare 4

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

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

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

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 63136 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.

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.

Neuromuscular stimulator, electronic shock unit E0745
DME-Other DME · category DE000N
2 suppliers12 claims12 services$64.49 avg. paid by Medicare
Dynamic adjustable knee extension / flexion device, includes soft interface material E1810
DME-Other DME · category DE000N
1 supplier14 claims14 services$107.00 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 12

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

Orthopaedic Surgery
11125 DUNN RD STE 301
SAINT LOUIS, MO 63136
Physician Assistant
11125 DUNN RD STE 301
SAINT LOUIS, MO 63136
Orthopaedic Surgery
11125 DUNN RD STE 301
SAINT LOUIS, MO 63136
Physician Assistant
11125 DUNN RD STE 301
SAINT LOUIS, MO 63136
Physician Assistant
11125 DUNN RD STE 301
SAINT LOUIS, MO 63136
Orthopaedic Surgery
11125 DUNN RD STE 301
SAINT LOUIS, MO 63136
Orthopaedic Surgery
11125 DUNN RD STE 301
SAINT LOUIS, MO 63136
Student in an Organized Health Care Education/Training Program
11125 DUNN RD STE 301
SAINT LOUIS, MO 63136

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 Charles Grimshaw's NPI number?

The NPI number for Charles Grimshaw is 1851590673. It was assigned to this individual provider in the NPPES registry on July 12, 2007.

Where is Charles Grimshaw located?

Charles Grimshaw practices at 11125 Dunn Rd Ste 301, Saint Louis, MO 63136. The listed phone number is (314) 953-8250.

What is Charles Grimshaw's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Charles Grimshaw enrolled in Medicare?

Yes. Charles Grimshaw 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 Charles Grimshaw affiliated with any hospitals?

According to CMS data, Charles Grimshaw is affiliated with Memorial Hospital, Mercy Hospital St Louis, St Lukes Hospital and Christian Hospital Northeast.

When was this NPI record last updated?

The NPPES record for Charles Grimshaw was last updated on February 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.