MARY KATHERINE BUSCH
NPI 1821787300
Nurse Practitioner in Tucson, AZ

Q: What is Mary Busch's NPI number?

The NPI number for Mary Busch is 1821787300. It was assigned to this individual provider in the NPPES registry on May 2, 2023.

Q: What is Mary Busch's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Busch was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 02, 2023PECOS EnrolledAccepts Medicare Assignment

2055 W HOSPITAL DR STE 255, TUCSON, AZ 85704(520) 547-5725(520) 547-5735 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 3, 2026, Aug 23, 2024, Apr 30, 2024 and 2 more (5 updates tracked since 2023).

On this page

About Mary Katherine Busch NPPES

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

MARY KATHERINE BUSCH (NPI 1821787300) is an individual nurse practitioner in Tucson, Arizona, licensed in Arizona (291060) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1821787300

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARY KATHERINE BUSCH

Location Address2055 W HOSPITAL DR STE 255Tucson, AZ 85704-7857

Mailing Address4801 E Broadway Blvd Ste 251Tucson, AZ 85711-3633 · (520) 327-0460 · Fax (520) 795-0225

Phone(520) 547-5725

Fax(520) 547-5735

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateMay 2, 2023

Last NPPES UpdateJune 24, 20265 updates tracked since enumeration

NPPES CertifiedJune 24, 2026

✔ NPI 1821787300 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in AZ · 291060

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

2055 W HOSPITAL DR STE 255, Tucson, AZ 85704

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.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

Mary Katherine Busch 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 ID5890154637

PECOS Enrollment IDI20230711002747

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

Medicare enrollment records show Mary Busch reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Arizona Community Physicians PC

10.0 mi

Internal Medicine

5055 E BROADWAY BLVD, SUITE A100
Tucson, AZ 85711

Reassigned Medicare billing, Arizona enrollment
264 clinicians in this Medicare group

NPI 1205871076 (520) 327-0460

Prescott Healthcare Solutions LLC

176 mi

Family Medicine

743 MILLER VALLEY RD
Prescott, AZ 86301

Reassigned Medicare billing, Arizona enrollment
214 clinicians in this Medicare group

NPI 1821454505 (928) 777-9600

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 21

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.

132 services103 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

95 services32 patients

Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes G0446

This is a yearly, personal consultation focused on behaviors affecting heart health. It lasts 15 minutes and may cover topics like diet, exercise, and stress management. It's about learning healthy habits to protect your heart.

72 services72 patients

Annual alcohol misuse screening, 5 to 15 minutes G0442

An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.

70 services70 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

67 services67 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

55 services55 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.

52 services52 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

46 services46 patients

Face-to-face behavioral counseling for obesity, 15 minutes G0447

This is a 15-minute consultation where a healthcare professional discusses your eating habits, physical activity, and goals to help manage your weight. The aim is to provide personalized strategies to promote a healthier lifestyle and combat obesity.

29 services26 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

27 services27 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

24 services24 patients

Testing of autonomic nervous system function and heart rate response to deep breathing 95921

This test studies the autonomic nervous system, which controls body functions like heart rate. During the test, you'll breathe deeply while the heart rate is monitored. This helps identify any irregularities in the heart's response to breathing changes.

24 services24 patients

Testing of autonomic (sympathetic) nervous system function 95923

Testing of autonomic nervous system function assesses how well your body's automatic processes, like heart rate and blood pressure, are working. It involves various non-invasive tests like heart rate variability and sweat production tests.

24 services24 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.

24 services21 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.

23 services23 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

20 services20 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

15 services14 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

13 services12 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

12 services11 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

12 services12 patients

Removal of impacted ear wax by washing 69209

Impacted ear wax removal by washing, also known as ear irrigation, involves using a pressurized flow of water to break up and dislodge the ear wax. This safe procedure helps restore normal hearing and relieve discomfort caused by the blockage.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85704 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

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

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 7

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

SHANNON E COLLINS MD

Internal Medicine

2055 W HOSPITAL DR STE 255
TUCSON, AZ 85704

Pima County (205) 547-5725

DR. STEVEN C DOWNING MD

Family Medicine

2055 W HOSPITAL DR STE 255
TUCSON, AZ 85704

Pima County (520) 547-5725

DR. IRENE S DUARTE MD

Family Medicine

2055 W HOSPITAL DR STE 255, NORTHWEST MEDICAL GROUP
TUCSON, AZ 85704

Pima County (520) 547-5725

JOSHUA AARON THOMAS

Nurse Practitioner (Family)

2055 W HOSPITAL DR STE 255
TUCSON, AZ 85704

Pima County (520) 547-2311

STACIE HOMAN NP-C

Nurse Practitioner (Family)

2055 W HOSPITAL DR STE 255
TUCSON, AZ 85704

Pima County (520) 404-6833

ARYAN ATOSA CAIRE M.D.

Family Medicine

2055 W HOSPITAL DR STE 255
TUCSON, AZ 85704

Pima County (520) 547-5725

DR. JULIO C. GARCIA M.D.

Family Medicine

2055 W HOSPITAL DR STE 255
TUCSON, AZ 85704

Pima County (520) 547-5725

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 Mary Busch's NPI number?

The NPI number for Mary Busch is 1821787300. It was assigned to this individual provider in the NPPES registry on May 2, 2023.

Where is Mary Busch located?

Mary Busch practices at 2055 W Hospital Dr Ste 255, Tucson, AZ 85704. The listed phone number is (520) 547-5725.

What is Mary Busch's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Busch enrolled in Medicare?

Yes. Mary Busch 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 Mary Busch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Busch reassigns Medicare benefits to 2 organizations: Arizona Community Physicians PC (Tucson, AZ) and Prescott Healthcare Solutions LLC (Prescott, AZ). 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 Mary Busch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Busch accept?

Health plans from Blue Cross Blue Shield of Arizona list Mary Busch 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 Mary Busch was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.