TAMMY JNCHARLES
NPI 1831811611
Nurse Anesthetist, Certified Registered in Oro Valley, AZ

Active since September 19, 2022PECOS Enrolled
1551 E TANGERINE RD, ORO VALLEY, AZ 85755(520) 901-3500 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 30, 2026, May 23, 2025, Sep 19, 2022 (3 updates tracked since 2022).

About Tammy Jncharles NPPES

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

TAMMY JNCHARLES (NPI 1831811611) is an individual nurse anesthetist, certified registered in Oro Valley, Arizona, licensed in Arizona (323395) and active in the NPI registry since September 2022. She is enrolled in Medicare PECOS, is affiliated with Trinity Rock Island, and maintains a secondary practice location in Riverside.

NPPES Registry Identity

NPI1831811611
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameTAMMY JNCHARLES
Location Address1551 E TANGERINE RDOro Valley, AZ 85755-6213
Mailing Address6200 Hollywood Blvd Apt 1422Los Angeles, CA 90028-6188 · (916) 479-0135
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 19, 2022
Last NPPES UpdateApril 30, 20263 updates tracked since enumeration
NPPES CertifiedApril 30, 2026
✔ NPI 1831811611 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 AZ · 323395✔ Licensed in IA · D184742✔ Licensed in VA · 0024196035✔ Licensed in CA · 95001833
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.
1551 E TANGERINE RD, Oro Valley, AZ 85755

Secondary Practice Location 1

Location 14444 Magnolia AveRiverside, CA 92501-4136 · Phone (951) 788-3000

Other Identifiers 2

Other95001833CA · California Board Of Nurses
Other95001833CA · California Board Of Registered Nurses

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tammy Jncharles is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2062871478
PECOS Enrollment IDI20231107000698, I20241126004501, I20241127000270, I20250822000399
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

5

Medicare enrollment records show Tammy Jncharles reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
4100 INTERNATIONAL PLZ STE 800
Fort Worth, TX 76109
  • Reassigned Medicare billing, Texas enrollment
  • 1,612 clinicians in this Medicare group
Anesthesiology
1755 59TH PL
West Des Moines, IA 50266
  • Reassigned Medicare billing, Iowa enrollment
  • 209 clinicians in this Medicare group
Anesthesiology
695 N KELLOGG ST
Galesburg, IL 61401
  • Reassigned Medicare billing, Illinois and Colorado enrollments
  • Also billed through NPI 1992725766 (Colorado)
  • 142 clinicians in this Medicare group
Anesthesiology
1606 N 7TH ST
Terre Haute, IN 47804
  • Reassigned Medicare billing, Indiana enrollment
  • 166 clinicians in this Medicare group
Anesthesiology
2025 GLENN MITCHELL DR
Virginia Beach, VA 23456
  • Reassigned Medicare billing, Virginia enrollment
  • 707 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.

Hospital Affiliations CMS Care Compare 4

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

Trinity Rock Island

Acute Care Hospitals · Rock Island, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140280
Location2701 17th StRock Island, IL 61201 · Rock Island County
Emergency services Birthing friendly

Woodlawn Hospital

Critical Access Hospitals · Rochester, IN
OwnershipGovernment - Local
CMS Certification Number151313
Location1400 E 9th StRochester, IN 46975 · Fulton County
Emergency services

Mercyone Des Moines Medical Center

Acute Care Hospitals · Des Moines, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160083
Location1111 6th AveDes Moines, IA 50314 · Polk County
Emergency services Birthing friendly

Sentara Leigh Hospital

Acute Care Hospitals · Norfolk, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490046
Location830 Kempsville RoadNorfolk, VA 23502 · Norfolk City County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85755 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.

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.

Internal Medicine
1551 E TANGERINE RD
ORO VALLEY, AZ 85755
Anesthesiology
1551 E TANGERINE RD
ORO VALLEY, AZ 85755
Nurse Anesthetist, Certified Registered
1551 E TANGERINE RD
ORO VALLEY, AZ 85755
Anesthesiology
1551 E TANGERINE RD
ORO VALLEY, AZ 85755
Psychiatric Unit
1551 E TANGERINE RD
ORO VALLEY, AZ 85755
Registered Nurse (Registered Nurse First Assistant)
1551 E TANGERINE RD
ORO VALLEY, AZ 85755
Anesthesiology
1551 E TANGERINE RD
ORO VALLEY, AZ 85755
Nurse Anesthetist, Certified Registered
1551 E TANGERINE RD
ORO VALLEY, AZ 85755

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 Tammy Jncharles's NPI number?

The NPI number for Tammy Jncharles is 1831811611. It was assigned to this individual provider in the NPPES registry on September 19, 2022.

Where is Tammy Jncharles located?

Tammy Jncharles practices at 1551 E Tangerine Rd, Oro Valley, AZ 85755. The listed phone number is (520) 901-3500.

What is Tammy Jncharles's specialty?

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

Is Tammy Jncharles enrolled in Medicare?

Yes. Tammy Jncharles is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Tammy Jncharles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Jncharles reassigns Medicare benefits to 5 organizations: Emergenchealth PLLC (Fort Worth, TX), Cep America - Anesthesia PC (West Des Moines, IA), Clinical Colleagues LLC (Galesburg, IL), Iceland Anesthesia Management, LLC (Terre Haute, IN) and Smg Anesthesia Specialists LLC (Virginia Beach, VA). 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 Tammy Jncharles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tammy Jncharles accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Tammy Jncharles 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.

Is Tammy Jncharles affiliated with any hospitals?

According to CMS data, Tammy Jncharles is affiliated with Trinity Rock Island, Woodlawn Hospital, Mercyone Des Moines Medical Center and Sentara Leigh Hospital.

When was this NPI record last updated?

The NPPES record for Tammy Jncharles was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.