ANN MARIE BETHEL CRNA
NPI 1306850581
Nurse Anesthetist, Certified Registered in Denver, CO

Active since July 27, 2006PECOS Enrolled
455 SHERMAN STREET, DENVER, CO 80203(303) 744-8644(303) 997-2116 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 6, 2023, Jul 10, 2018 (2 updates tracked since 2018).

About Ann Marie Bethel Crna NPPES

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

ANN MARIE BETHEL CRNA (NPI 1306850581) is an individual nurse anesthetist, certified registered in Denver, Colorado, licensed in Colorado (APN.0005447-CRNA) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Westminster.

NPPES Registry Identity

NPI1306850581
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameANN MARIE BETHELCredential: CRNA
Location Address455 SHERMAN STREETDenver, CO 80203
Mailing Address455 Sherman StreetDenver, CO 80203 · (303) 744-8644 · Fax (303) 997-2116
Fax(303) 997-2116
Sole ProprietorNo
Enumeration DateJuly 27, 2006
Last NPPES UpdateJuly 31, 20252 updates tracked since enumeration
NPPES CertifiedJuly 31, 2025
✔ NPI 1306850581 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
Licenses✔ Licensed in CO · APN.0005447-CRNA✔ Licensed in FL · ARNP2119242
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.
455 SHERMAN STREET, Denver, CO 80203

Other Names 1

Former Name (1)Ann Marie Macpherson

Secondary Practice Location 1

Location 114300 Orchard PkwyWestminster, CO 80023-9206 · Phone (720) 627-4479 · Fax (720) 627-3382

Other Identifiers 2

Medicaid27188523CO
Medicaid303746100FL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ann Marie Bethel Crna 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 Ann Bethel reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
4231 W 16TH AVE
Denver, CO 80204
  • Reassigned Medicare billing, Colorado enrollment
  • 1,193 clinicians in this Medicare group
Anesthesiology
9395 CROWN CREST BLVD
Parker, CO 80138
  • Reassigned Medicare billing, Colorado enrollment
  • 54 clinicians in this Medicare group
Anesthesiology
232 S WOODS MILL RD, ANESTHESIA DEPARTMENT
Chesterfield, MO 63017
  • Reassigned Medicare billing, Missouri enrollment
  • 60 clinicians in this Medicare group
Anesthesiology
12990 MANCHESTER RD, SUITE 105
Saint Louis, MO 63131
  • Reassigned Medicare billing, Missouri enrollment
  • 69 clinicians in this Medicare group

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
47 services47 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80203 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
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.

Other Providers at the Same Location NPPES 2

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

Anesthesiology
455 SHERMAN STREET, SUITE 510
DENVER, CO 80203
Behavior Analyst
455 SHERMAN STREET
DENVER, CO 80203

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 Ann Bethel's NPI number?

The NPI number for Ann Bethel is 1306850581. It was assigned to this individual provider in the NPPES registry on July 27, 2006. The provider is also known as Ann Marie Macpherson.

Where is Ann Bethel located?

Ann Bethel practices at 455 Sherman Street, Denver, CO 80203. The listed phone number is (303) 744-8644.

What is Ann Bethel's specialty?

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

Is Ann Bethel enrolled in Medicare?

Yes. Ann Bethel is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ann Bethel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Bethel reassigns Medicare benefits to 4 organizations: Catholic Health Initiatives Colorado (Denver, CO), Guardian Anesthesia Services, Inc (Parker, CO), Comprehensive Anesthesia Care PC (Chesterfield, MO) and Eye Anesthesia LLC (Saint Louis, 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 Ann Bethel'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 Ann Bethel was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.