CHARLES ORTWERTH CRNA
NPI 1659329613
Nurse Anesthetist, Certified Registered in Saint Louis, MO

Q: What is Charles Ortwerth's NPI number?

The NPI number for Charles Ortwerth is 1659329613. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Q: What is Charles Ortwerth's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Q: When was this NPI record last updated?

The NPPES record for Charles Ortwerth was last updated on December 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 May 04, 2006

3015 N BALLAS RD, SAINT LOUIS, MO 63131(314) 996-5330 Get Directions Write a Review

NPPES record last updated: December 8, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Charles Ortwerth Crna NPPES

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

CHARLES ORTWERTH CRNA (NPI 1659329613) is an individual nurse anesthetist, certified registered in Saint Louis, Missouri, licensed in Missouri (069381) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1659329613

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NameCHARLES ORTWERTHCredential: CRNA

Location Address3015 N BALLAS RDSaint Louis, MO 63131-2329

Mailing Address1836 Lackland Hill Pkwy, Atttn: CredentialingSaint Louis, MO 63146-3572 · (314) 989-0300

Phone(314) 996-5330

Sole ProprietorNo

Enumeration DateMay 4, 2006

Last NPPES UpdateDecember 8, 2008

✔ NPI 1659329613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

License✔ Licensed in MO · 069381

Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

3015 N BALLAS RD, Saint Louis, MO 63131

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Other Identifiers 3

Other430021986MO · Railroad Medicare

Medicaid912766714MO

Medicare PIN013060145MO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Charles Ortwerth Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

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

Viking Anesthesia Services, LLC

1.8 mi

Anesthesiology

425 N NEW BALLAS RD, SUITE 205
Creve Coeur, MO 63141

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

NPI 1962809244 (314) 692-8411

Comprehensive Anesthesia Care PC

3.2 mi

Anesthesiology

232 S WOODS MILL RD, ANESTHESIA DEPARTMENT
Chesterfield, MO 63017

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

NPI 1215975156 (314) 205-6917

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 2

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.

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

13 services13 patients

Anesthesia for total hip replacement 01214

Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.

11 services11 patients

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.

MS. ASHLEY FRANCES MARIE PIKE FNP

Nurse Practitioner (Family)

3015 N BALLAS RD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63131

St. Louis County (314) 966-5000

PAUL S PATANE M.D.

Anesthesiology

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5330

MR. BLAIR ANTHONY MALENCH PA

Physician Assistant

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5225

ADNAN MANZOOR MD

Hospitalist

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5772

LAUREN MARIE HECHT RD, LD

Dietitian, Registered

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (573) 579-6375

DR. ALAN P LYSS MD

Internal Medicine (Hematology & Oncology)

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5514

VIRGILIO P DUMADAG MD

Pathology (Anatomic Pathology & Clinical Pathology)

3015 N BALLAS RD, DEPARTMENT OF PATHOLOGY
SAINT LOUIS, MO 63131

St. Louis County (314) 996-4285

STEPHEN R DAVIS M.D.

Anesthesiology

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5330

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 Ortwerth's NPI number?

The NPI number for Charles Ortwerth is 1659329613. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Charles Ortwerth located?

Charles Ortwerth practices at 3015 N Ballas Rd, Saint Louis, MO 63131. The listed phone number is (314) 996-5330.

What is Charles Ortwerth's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Charles Ortwerth enrolled in Medicare?

Yes. Charles Ortwerth is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Charles Ortwerth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Ortwerth reassigns Medicare benefits to 2 organizations: Viking Anesthesia Services, LLC (Creve Coeur, MO) and Comprehensive Anesthesia Care PC (Chesterfield, 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 Charles Ortwerth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Charles Ortwerth was last updated on December 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.