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Dr. Stephen R. Anthony, MD

Pulmonology (Pulmonary Disease Physician)

2550 W Union Hills Dr Ste 390
Phoenix, AZ 85027

Who else practices at this address →

Maricopa County includes primary care (13% of residents) and dental (0% of residents) and mental health (4% of residents) shortage areas. About shortage areas

Call (602) 443-4068

  • Medicare participating

At a glance

Medical school
Medical College of Wisconsin (1990)
Years since graduation
36
In the NPI registry since
2006
Medicare patients seen, 2024
827

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 1990Medical school: Medical College of Wisconsin
  • 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Pulmonary Disease Physician primary
    AZ license 20622
  • Internal Medicine Physician
    AZ license 20622
  • Sleep Medicine (Internal Medicine) Physician
    AZ license 20622

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Pulmonology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
827
Services billed
1,980
Patients’ average age
76
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes640309
Established patient office or other outpatient visit, 40-54 minutes588415
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes138133
Established patient office or other outpatient visit, 30-39 minutes132119
Test to examine how well the lungs exchange gases7169
Test to determine lung volumes using sensors6967
Test to measure expiratory airflow and volume changes before and after medication administration6766
New patient office or other outpatient visit, 60-74 minutes6666
Critical care, first 30-74 minutes2615
Test to measure expiratory airflow and volume1414

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 26 companies reported 111 payments worth $2,784 in total to this clinician.

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Feb 12, 2025Jazz Pharmaceuticals Inc.
Feb 12, 2025
Education
XYWAV · NEUROLOGY · in-kind
$89.99
Feb 12, 2025Jazz Pharmaceuticals Inc.
Feb 12, 2025
Education
XYWAV · NEUROLOGY · in-kind
$63.99

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Arizona →

Other Pulmonology clinicians in Phoenix

Sources

NPI registry (CMS NPPES, November 2026; record last updated October 7, 2025), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1760434419. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.