CHRISTOPHER S. CARR CRNA
NPI 1720084650
Nurse Anesthetist, Certified Registered in Phoenix, AZ

Active since June 24, 2005Accepts Medicare Assignment
78.31/100
CMS Quality Rating
4441 E MCDOWELL RD, # 101, PHOENIX, AZ 85008(602) 273-6770(602) 889-0489 Get Directions Write a Review

NPPES record last updated: June 17, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Christopher S. Carr Crna NPPES

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

CHRISTOPHER S. CARR CRNA (NPI 1720084650) is an individual nurse anesthetist, certified registered in Phoenix, Arizona, licensed in Arizona (RN110708) and active in the NPI registry since June 2005. He is a graduate of Other (2000).

NPPES Registry Identity

NPI1720084650
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameCHRISTOPHER S. CARRCredential: CRNA
Location Address4441 E MCDOWELL RD, # 101Phoenix, AZ 85008-4503
Mailing AddressPo Box 29211Phoenix, AZ 85038-9211 · (602) 273-6770 · Fax (602) 889-0489
Fax(602) 889-0489
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJune 24, 2005
Last NPPES UpdateJune 17, 2010
✔ NPI 1720084650 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 AZ · RN110708
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.
4441 E MCDOWELL RD, Phoenix, AZ 85008

Other Identifiers 2

Medicare UPINP16265AZ
Medicare ID-Type Unspecified100324AZ

Accepted 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

Christopher S. Carr Crna 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 ID143282665
PECOS Enrollment IDI20041222000860

Medicare Billing Reassignments

6

Medicare enrollment records show Christopher Carr reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nurse Anesthetist, Certified Registered
1111 E MCDOWELL RD
Phoenix, AZ 85006
  • Reassigned Medicare billing, Arizona enrollment
  • 17 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
7301 N 16TH ST STE 102
Phoenix, AZ 85020
  • Reassigned Medicare billing, Arizona enrollment
  • 174 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
4620 E BASELINE RD
Mesa, AZ 85206
  • Reassigned Medicare billing, Arizona enrollment
  • 298 clinicians in this Medicare group
Anesthesiology
10720 W INDIAN SCHOOL RD STE 19-1039
Phoenix, AZ 85037
  • Reassigned Medicare billing, Arizona enrollment
  • 423 clinicians in this Medicare group
Anesthesiology
15547 N REEMS RD BLDG A
Surprise, AZ 85374
  • Reassigned Medicare billing, Arizona enrollment
  • 11 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
8273 GRAND RIVER RD STE 210
Brighton, MI 48114
  • Reassigned Medicare billing, Arizona enrollment
  • 370 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 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 other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
19 services19 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85008 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

78.31/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.49
Improvement Activities40

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)
Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…
100%640 patients5/55-star benchmark: 100%
Prevention of Post-Operative Nausea and Vomiting (PONV) - Combination Therapy
Percentage of patients, aged 18 years and older, who undergo a procedure under an inhalational general anesthetic, AND who have three or more risk factors for post-operative nausea and vomiting (PONV), who receive combination therapy consisting of at least…
100%143 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Nurse Anesthetist, Certified Registered
4441 E MCDOWELL RD, SUITE 101
PHOENIX, AZ 85008
Anesthesiology
4441 E MCDOWELL RD, # 101
PHOENIX, AZ 85008
Anesthesiology
4441 E MCDOWELL RD, STE 101
PHOENIX, AZ 85008
Anesthesiology
4441 E MCDOWELL RD, SUITE 101
PHOENIX, AZ 85008
Nurse Anesthetist, Certified Registered
4441 E MCDOWELL RD, STE 101
PHOENIX, AZ 85008
Anesthesiology
4441 E MCDOWELL RD, 101
PHOENIX, AZ 85008
Anesthesiology
4441 E MCDOWELL RD, # 101
PHOENIX, AZ 85008
Anesthesiology
4441 E MCDOWELL RD, SUITE 101
PHOENIX, AZ 85008

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 Christopher Carr's NPI number?

The NPI number for Christopher Carr is 1720084650. It was assigned to this individual provider in the NPPES registry on June 24, 2005.

Where is Christopher Carr located?

Christopher Carr practices at 4441 E Mcdowell Rd # 101, Phoenix, AZ 85008. The listed phone number is (602) 273-6770.

What is Christopher Carr's specialty?

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

Is Christopher Carr enrolled in Medicare?

Yes. Christopher Carr 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.

Which organizations bill Medicare for Christopher Carr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Carr reassigns Medicare benefits to 6 organizations: Velaro Medical Group PLLC (Phoenix, AZ), Guide Anesthesia Az LLC (Phoenix, AZ), Ascend Anesthesia LLC (Mesa, AZ), Greater Anesthesia Solutions (Phoenix, AZ), Advanced Anesthesia, Plc (Surprise, AZ) and 1 more organization, listed in the Medicare section above. 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 Christopher Carr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Carr accept?

Health plans from Blue Cross Blue Shield of Arizona list Christopher Carr as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Christopher Carr was last updated on June 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.