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AARON T THORNBURG DO
NPI 1669425245
Internal Medicine - Critical Care Medicine in Phoenix, AZ

Active since May 18, 2006PECOS EnrolledAccepts Medicare Assignment
3330 N 2ND ST STE 300, PHOENIX, AZ 85012(602) 274-7195(602) 274-7097 Get Directions Write a Review

NPPES record last updated: June 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 22, 2020, Jan 15, 2020, Jun 5, 2019 and 1 more (4 updates tracked since 2018).

About Aaron T Thornburg Do NPPES

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

AARON T THORNBURG DO (NPI 1669425245) is an individual critical care medicine provider in Phoenix, Arizona, licensed in California (20A16041) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1669425245
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameAARON T THORNBURGCredential: DO
Location Address3330 N 2ND ST STE 300Phoenix, AZ 85012-2369
Mailing Address3330 N 2nd St Ste 300Phoenix, AZ 85012-2369
Phone(602) 274-7195
Fax(602) 274-7097
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateMay 18, 2006
Last NPPES UpdateJune 22, 20204 updates tracked since enumeration
NPPES CertifiedJune 22, 2020
✔ NPI 1669425245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Licenses✔ Licensed in CA · 20A16041✔ Licensed in AZ · 5017✔ Licensed in WI · 100-321
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 02002916A (IN), 5017 (AZ)
3330 N 2ND ST STE 300, Phoenix, AZ 85012
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Secondary Practice Locations 2

Location 111104 Parkview Circle Dr Ste 410Fort Wayne, IN 46845-0025 · Phone (260) 266-5260 · Fax (260) 266-5279
Location 21836 South AveLA Crosse, WI 54601-5429 · Phone (608) 782-7300

Other Identifiers 1

Medicaid332020AZ

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

Aaron T Thornburg Do 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 ID3375502685
PECOS Enrollment IDI20200106001352
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

10

Medicare enrollment records show Aaron Thornburg reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Joseph's Hospital And Medical Center
0.6 mi
Emergency Care
350 W THOMAS RD
Phoenix, AZ 85013
  • Reassigned Medicare billing, Arizona enrollment
  • 126 clinicians in this Medicare group
NPI 1255382412 (602) 406-3000
Arizona Pulmonary Specialists Ltd
12 mi
Pulmonary Disease
9060 E VIA LINDA STE 250
Scottsdale, AZ 85258
  • Reassigned Medicare billing, Arizona enrollment
  • 69 clinicians in this Medicare group
NPI 1215986468 (480) 614-2000
City Of Hope Medical Group Of Arizona LLC
17 mi
Medical Oncology
14200 CELEBRATE LIFE WAY
Goodyear, AZ 85338
  • Reassigned Medicare billing, Arizona enrollment
  • 359 clinicians in this Medicare group
NPI 1609026806 (847) 746-4333
Chandler Regional Medical Center
17 mi
Emergency Care
1955 W FRYE ROAD
Chandler, AZ 85224
  • Reassigned Medicare billing, Arizona enrollment
  • 101 clinicians in this Medicare group
NPI 1871910968 (480) 728-4700
Inpatient Specialists Of California, PC
303 mi
Internal Medicine
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 1,216 clinicians in this Medicare group
NPI 1952792475 (615) 377-5658
Dignity Health Medical Foundation
303 mi
Multi-Specialty
401 E HIGHLAND AVE STE 251
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 1,191 clinicians in this Medicare group
NPI 1053653873 (909) 882-4605
Saint Agnes Medical Foundation
493 mi
Internal Medicine
1303 E HERNDON AVE, SUITE 850
Fresno, CA 93720
  • Reassigned Medicare billing, California enrollment
  • 296 clinicians in this Medicare group
NPI 1558819482 (559) 450-5611
Gundersen Lutheran Medical Center, Inc
1,326 mi
Clinic/Center
1836 SOUTH AVE
La Crosse, WI 54601
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,457 clinicians in this Medicare group
NPI 1689918377 (608) 782-7300
Midwest Critical Care Sc
1,460 mi
Critical Care Medicine
3801 SPRING ST
Mount Pleasant, WI 53405
  • Reassigned Medicare billing, Wisconsin enrollment
  • 72 clinicians in this Medicare group
NPI 1093425647 (262) 687-4011
Ascension Medical Group-Southeast Wisconsin Inc
1,464 mi
Internal Medicine
400 W RIVER WOODS PKWY
Glendale, WI 53212
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,343 clinicians in this Medicare group
NPI 1609881077 (414) 465-3000

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 6

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
47 services47 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
25 services18 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
23 services23 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
18 services11 patients
Emergent insertion of breathing tube into windpipe using an endoscope 31500
This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.
13 services13 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85012 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.

Referred Medical Equipment & Supplies CMS DME claims 15

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers17 claims17 services$30.08 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
6 suppliers17 claims17 services$69.37 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
6 suppliers17 claims48 services$26.53 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
6 suppliers14 claims14 services$15.62 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
7 suppliers23 claims138 services$1.46 avg. paid by Medicare
Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046
DME-Other DME · category DE001N
6 suppliers12 claims12 services$7.53 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

DR. DANY BAHDOUCH MD
Internal Medicine (Critical Care Medicine)
3330 N 2ND ST STE 300
PHOENIX, AZ 85012
Maricopa County (602) 261-7830
PENNY J WILLIAMS MD
Internal Medicine (Critical Care Medicine)
3330 N 2ND ST STE 300
PHOENIX, AZ 85012
Maricopa County (602) 261-7830
AMIRA ADDE SAID CNP
Nurse Practitioner (Acute Care)
3330 N 2ND ST STE 300
PHOENIX, AZ 85012
Maricopa County (602) 265-8965
OSBORN AMBULATORY SURGICAL CENTER
Clinic/Center (Ambulatory Surgical)
3330 N 2ND ST STE 300
PHOENIX, AZ 85012
Maricopa County (602) 265-0113

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 Aaron Thornburg's NPI number?

The NPI number for Aaron Thornburg is 1669425245. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Aaron Thornburg located?

Aaron Thornburg practices at 3330 N 2nd St Ste 300, Phoenix, AZ 85012. The listed phone number is (602) 274-7195.

What is Aaron Thornburg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Aaron Thornburg enrolled in Medicare?

Yes. Aaron Thornburg 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 Aaron Thornburg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Thornburg reassigns Medicare benefits to 10 organizations: St. Joseph's Hospital And Medical Center (Phoenix, AZ), Arizona Pulmonary Specialists Ltd (Scottsdale, AZ), City Of Hope Medical Group Of Arizona LLC (Goodyear, AZ), Chandler Regional Medical Center (Chandler, AZ), Inpatient Specialists Of California, PC (San Bernardino, CA) and 5 more organizations, 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 Aaron Thornburg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Thornburg accept?

Health plans from Blue Cross Blue Shield of Arizona list Aaron Thornburg 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 Aaron Thornburg was last updated on June 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.