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MRS. CHRISTINA A TRETTER NP-C
NPI 1073984639
Internal Medicine in Phoenix, AZ

Active since October 08, 2015PECOS EnrolledAccepts Medicare Assignment
1327 E CHANDLER BLVD, STE 106, PHOENIX, AZ 85048(480) 501-9475(480) 306-7674 Get Directions Write a Review

NPPES record last updated: June 6, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 6, 2024, Nov 2, 2020 (2 updates tracked since 2020).

About Mrs. Christina A Tretter Np-c NPPES

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

MRS. CHRISTINA A TRETTER NP-C (NPI 1073984639) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (TAP8161) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chandler, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1073984639
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMRS. CHRISTINA A TRETTERCredential: NP-C
Location Address1327 E CHANDLER BLVD, STE 106Phoenix, AZ 85048-6289
Mailing Address1327 E Chandler Blvd, Ste 106Phoenix, AZ 85048-6289 · (480) 501-9475 · Fax (480) 306-7674
Phone(480) 501-9475
Fax(480) 306-7674
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateOctober 8, 2015
Last NPPES UpdateJune 6, 20242 updates tracked since enumeration
NPPES CertifiedNovember 2, 2020
✔ NPI 1073984639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · TAP8161
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License MT3783380 (AZ)
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License TAP8161 (AZ)
1327 E CHANDLER BLVD, Phoenix, AZ 85048
Open in Google Maps ↗

Secondary Practice Location 1

Location 14955 S Alma School RdChandler, AZ 85248-5638 · Phone (315) 292-2863

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

Mrs. Christina A Tretter Np-c 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 ID8022316165
PECOS Enrollment IDI20160406000674
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 Reassignment

Medicare enrollment records show Christina Tretter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Stone Med, LLC
Same address
Internal Medicine
1327 E CHANDLER BLVD STE 106
Phoenix, AZ 85048
  • Reassigned Medicare billing, Arizona enrollment
  • 2 clinicians in this Medicare group
NPI 1528556495 (480) 501-9475

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 5

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.
405 services68 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
131 services41 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
76 services11 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
64 services36 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
31 services31 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85048 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
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
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

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

DR. STEVEN SCHIFFENHAUS DMD
Dentist
1327 E CHANDLER BLVD, SUITE 105
PHOENIX, AZ 85048
Maricopa County (480) 283-0733

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 Christina Tretter's NPI number?

The NPI number for Christina Tretter is 1073984639. It was assigned to this individual provider in the NPPES registry on October 8, 2015.

Where is Christina Tretter located?

Christina Tretter practices at 1327 E Chandler Blvd Ste 106, Phoenix, AZ 85048. The listed phone number is (480) 501-9475.

What is Christina Tretter's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Christina Tretter enrolled in Medicare?

Yes. Christina Tretter 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 organization bills Medicare for Christina Tretter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Tretter reassigns Medicare benefits to Stone Med, LLC (Phoenix, AZ). The 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 Christina Tretter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christina Tretter accept?

Health plans from UnitedHealthcare list Christina Tretter 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 Christina Tretter was last updated on June 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.