1. Home
  2. Directory
  3. Missouri
  4. O Fallon
  5. Anesthesiology
  6. NPI Profile

DR. DALE J KLEIN MD
NPI 1801990437
Anesthesiology in O Fallon, MO

Active since September 12, 2006PECOS Enrolled
2 PROGRESS POINT PKWY, O FALLON, MO 63368(636) 344-1000(314) 362-1185 Get Directions Write a Review

NPPES record last updated: February 11, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 11, 2020, Aug 6, 2019, Apr 10, 2019 (3 updates tracked since 2019).

About Dr. Dale J Klein Md NPPES

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

DR. DALE J KLEIN MD (NPI 1801990437) is an individual anesthesiology provider in O Fallon, Missouri, licensed in Missouri (2006031936) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801990437
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. DALE J KLEINCredential: MD
Location Address2 PROGRESS POINT PKWYO Fallon, MO 63368-2205
Mailing Address2 Progress Point PkwyO Fallon, MO 63368-2205 · (636) 344-1000 · Fax (636) 344-1138
Phone(636) 344-1000
Fax(314) 362-1185
Sole ProprietorNo
Enumeration DateSeptember 12, 2006
Last NPPES UpdateFebruary 11, 20203 updates tracked since enumeration
✔ NPI 1801990437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MO · 2006031936
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
2 PROGRESS POINT PKWY, O Fallon, MO 63368
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Dale J Klein Md 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 Reassignments

4

Medicare enrollment records show Dale Klein reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aim Anesthesia LLC
15 mi
Anesthesiology
3550 MCKELVEY ROAD, PREMIER SURGERY CENTER
Bridgetown, MO 63044
  • Reassigned Medicare billing, Missouri enrollment
  • 49 clinicians in this Medicare group
NPI 1245685601 (314) 741-0911
Capital Anesthesia Solutions Of Missouri LLC
134 mi
Anesthesiology
3100 OAK GROVE RD
Rombauer, MO 63901
  • Reassigned Medicare billing, Missouri enrollment
  • 217 clinicians in this Medicare group
NPI 1770185472 (239) 610-0775
Mercy Clinic Springfield Communities
177 mi
Family Medicine
3231 S NATIONAL AVE STE 220
Springfield, MO 65807
  • Reassigned Medicare billing, Missouri enrollment
  • 1,565 clinicians in this Medicare group
NPI 1245277631 (855) 420-7900
Mhc Anesthesia Services
397 mi
Anesthesiology
801 5TH ST
Sioux City, IA 51101
  • Reassigned Medicare billing, Iowa enrollment
  • 69 clinicians in this Medicare group
NPI 1639244270 (712) 279-2266

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

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 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.
22 services22 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.

DR. CHAKRAPOL LATTANAND MD
Anesthesiology
2 PROGRESS POINT PKWY, DEPT ANESTHESIOLOGY
O FALLON, MO 63368
St. Charles County (800) 862-9980
DR. JOHN JACOB LONG DO
Anesthesiology
2 PROGRESS POINT PKWY, DEPT ANESTHESIOLOGY
O FALLON, MO 63368
St. Charles County (800) 862-9980
MR. KYLE ALAN WOGTECH CRNA
Nurse Anesthetist, Certified Registered
2 PROGRESS POINT PKWY, DEPT ANESTHESIOLOGY
O FALLON, MO 63368
St. Charles County (800) 862-9980
MS. OLIVIA FAETH HASSELFELD PA
Physician Assistant
2 PROGRESS POINT PKWY, DIV IM MEDICAL ONCOLOGY
O FALLON, MO 63368
St. Charles County (800) 647-2098
DR. JESSICA LAUREN SANFORD MD
Anesthesiology
2 PROGRESS POINT PKWY, DEPT ANESTHESIOLOGY
O FALLON, MO 63368
St. Charles County (800) 862-9980
DR. BRANDON MICHAEL WUBBEN MD
Emergency Medicine
2 PROGRESS POINT PKWY, DEPT EMERGENCY MED
O FALLON, MO 63368
St. Charles County (314) 362-9123
MS. ROSE ELIZABETH SULLIVAN CRNA
Nurse Anesthetist, Certified Registered
2 PROGRESS POINT PKWY, DEPT ANESTHESIOLOGY
O FALLON, MO 63368
St. Charles County (800) 862-9980
DR. RANDI HASSELFELD BECKER MD
Emergency Medicine
2 PROGRESS POINT PKWY, DEPT EMERGENCY MED
O FALLON, MO 63368
St. Charles County (314) 362-9123

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 Dale Klein's NPI number?

The NPI number for Dale Klein is 1801990437. It was assigned to this individual provider in the NPPES registry on September 12, 2006.

Where is Dale Klein located?

Dale Klein practices at 2 Progress Point Pkwy, O Fallon, MO 63368. The listed phone number is (636) 344-1000.

What is Dale Klein's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Dale Klein enrolled in Medicare?

Yes. Dale Klein is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Dale Klein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dale Klein reassigns Medicare benefits to 4 organizations: Aim Anesthesia LLC (Bridgetown, MO), Capital Anesthesia Solutions Of Missouri LLC (Rombauer, MO), Mercy Clinic Springfield Communities (Springfield, MO) and Mhc Anesthesia Services (Sioux City, IA). 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 Dale Klein'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 Dale Klein was last updated on February 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.