Dr. Cathlyn E. Stephen, MD

  • Phoenix, AZ
  • Internist
NPI1457315251
Part D claims, 2016
11
Industry payments
$13
Affiliated sites
2
Medical groups
2
State license
1
Practice address
4045 E Bell Rd, Phoenix, AZ 85032-2236
Practice phone
Call (602) 923-6666
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Robert J Fauer

Primary care practice · Phoenix, Arizona

See all 4 affiliations

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Dr. Cathlyn E. Stephen is an internist in Phoenix, Arizona

Dr. Stephen practices at Robert J Fauer in Phoenix, Arizona.

Dr. Stephen's NPI, 1457315251, was assigned on April 17, 2006. Dr. Stephen holds Arizona license AZ20083.

NPI and contact details
NPI enumeration date
April 17, 2006
NPI status
Active
Practice phone
(602) 923-6666
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Cathlyn E. Stephen practices at Robert J Fauer in Phoenix, Arizona

Dr. Stephen's primary practice is Robert J Fauer, at 4045 E Bell Rd, Phoenix, AZ 85032-2236. The practice phone is (602) 923-6666.

  • Robert J Fauer
    4045 E Bell Rd, Phoenix, AZ 85032-2236Phone(602) 923-6666

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Cathlyn E. Stephen is affiliated with 2 sites of care and 2 medical groups

Dr. Stephen's primary practice is Robert J Fauer in Phoenix, Arizona. Dmand AI also links Dr. Stephen to 2 medical groups and 1 group practice or clinic, each named with a free account.

Robert J FauerPrimary care practice · Phoenix, ArizonaPrimary
2 medical groupsNames with a free account1 group practice or clinicName with a free account
See all 4 affiliations for Dr. Stephen

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Cathlyn E. Stephen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stephen practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Robert J FauerAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Cathlyn E. Stephen is one of 2,420 internists in Arizona

Internal medicine is Dr. Stephen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Stephen is licensed in Arizona.

Specialties and state licenses

  • Internal medicine, ArizonaPrimaryLicense AZ20083 · taxonomy 207R00000X

Internists near Dr. Stephen

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Cathlyn E. Stephen's patients have a median age of 73

Across all payers, Dmand AI patient panel data puts Dr. Stephen's median patient age at 73, with 75% women.

Dr. Stephen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women75%
  • Men25%

Source: Dmand AI Patient Panel Data

Dr. Cathlyn E. Stephen wrote 11 Medicare Part D claims in 2016

In 2016, Dr. Stephen wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $122 in total drug cost.

Part D claims, 201611
Drugs named by CMS1
Total drug cost$122

Dr. Stephen's most prescribed drugs by claims, 2016

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Stephen

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Cathlyn E. Stephen received $13 in industry payments in 2017

CMS Open Payments shows 1 general payment to Dr. Stephen from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $13.

Companies that paid Dr. Stephen the most, 2017 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Stephen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Cathlyn E. Stephen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Cathlyn E. Stephen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Cathlyn E. Stephen's NPI number?

Dr. Cathlyn E. Stephen's NPI number is 1457315251. It was assigned on April 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Cathlyn E. Stephen?

Dr. Cathlyn E. Stephen is an internist in Phoenix, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Cathlyn E. Stephen practice?

Dr. Stephen practices at 4045 E Bell Rd, Phoenix, AZ 85032-2236. Dr. Stephen's primary practice is Robert J Fauer in Phoenix, Arizona. Dmand AI also links Dr. Stephen to 2 medical groups and 1 group practice or clinic.

What is Dr. Cathlyn E. Stephen's office phone number?

The practice phone on file for Dr. Stephen is (602) 923-6666.

What is Dr. Cathlyn E. Stephen's medical license number?

Dr. Stephen holds Arizona license AZ20083.

What drugs does Dr. Cathlyn E. Stephen prescribe most?

In 2016 Medicare Part D data, Dr. Stephen's most prescribed drugs by claims were Metoprolol Succinate.

Has Dr. Cathlyn E. Stephen received payments from drug or device companies?

CMS Open Payments shows $13 in general payments to Dr. Stephen from 1 company from 2017 to 2017. The largest total came from Boston Scientific Corporation.

How long has Dr. Cathlyn E. Stephen been practicing?

Dr. Stephen's NPI was assigned in 2006.

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