Dr. Stephen J. Ruffenach, DO
- Medicare services, 2022
- 40
- Part D claims, 2020
- 93
- Hospital affiliations
- 1
- Industry payments
- $926
- Medical groups
- 2
- Practice address
- 6200 North La Cholla Boulevard, Tucson, AZ 85741
- Practice phone
- Call (520) 469-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ruffenach's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephen J. Ruffenach is an internist in Tucson, Arizona
Dr. Ruffenach practices at Northwest Medical Center in Tucson, Arizona, part of Community Health Systems.
Dr. Ruffenach's NPI, 1821054156, was assigned on April 25, 2006. Dr. Ruffenach graduated from Rowan University School of Osteopathic Medicine in 1986. Dr. Ruffenach holds Arizona license 2640.
- NPI
- 1821054156NPI Registry (opens in a new tab)
- NPI enumeration date
- April 25, 2006
- NPI status
- Active
- Practice phone
- (520) 469-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen J. Ruffenach practices at Northwest Medical Center in Tucson, Arizona
Dr. Ruffenach's primary practice is Northwest Medical Center, at 6200 North La Cholla Boulevard, Tucson, AZ 85741 in Pima County. The practice phone is (520) 469-8100.
- Northwest Medical Center6200 North La Cholla Boulevard, Tucson, AZ 85741 · Pima CountyPhone(520) 469-8100
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen J. Ruffenach is affiliated with 1 site of care and 2 medical groups
Dr. Ruffenach's primary practice is Northwest Medical Center in Tucson, Arizona, part of Community Health Systems. The medical group on file is Northwest Medical Center. Dmand AI also links Dr. Ruffenach to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen J. Ruffenach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruffenach practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Community Health Systems and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen J. Ruffenach is one of 2,420 internists in Arizona
Internal medicine is Dr. Ruffenach's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ruffenach is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Ruffenach
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. Stephen J. Ruffenach billed Medicare for 40 services in 2022
CMS data shows 40 Medicare services from Dr. Ruffenach across 2 procedure codes in 2022. Medicare paid $6,051 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ruffenach's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1742022: 4077%
Dr. Ruffenach compared with the Arizona median for internists, 2022
- Dr. Ruffenach
- Arizona median
- Medicare services
- 40vs 47692% below
- Part D claims
- 93vs 26064% below
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Ruffenach's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ruffenach?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ruffenach and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen J. Ruffenach's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Ruffenach's median patient age at 79, with 64% women.
Dr. Ruffenach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women64%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Stephen J. Ruffenach wrote 93 Medicare Part D claims in 2020
In 2020, Dr. Ruffenach wrote 93 Medicare Part D claims. They cover 6 drugs, with $8,715 in total drug cost. In 2019, CMS named 244 claims across 14 drugs.
Dr. Ruffenach's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 2442020: 9362%
Drugs named by CMS: 6 in 2020, 14 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Stephen J. Ruffenach received $926 in industry payments from 2016 to 2018
CMS Open Payments shows 15 general payments to Dr. Ruffenach from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $514.
General payments to Dr. Ruffenach by program year, 2016 to 2018
Companies that paid Dr. Ruffenach the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen J. Ruffenach graduated from Rowan University School of Osteopathic Medicine
Dr. Ruffenach graduated from Rowan University School of Osteopathic Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen J. Ruffenach's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stephen J. Ruffenach
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. Stephen J. Ruffenach's NPI number?
Dr. Stephen J. Ruffenach's NPI number is 1821054156. It was assigned on April 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen J. Ruffenach?
Dr. Stephen J. Ruffenach is an internist in Tucson, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Stephen J. Ruffenach practice?
Dr. Ruffenach practices at 6200 North La Cholla Boulevard, Tucson, AZ 85741. Dr. Ruffenach's primary practice is Northwest Medical Center in Tucson, Arizona, part of Community Health Systems. Dmand AI also links Dr. Ruffenach to 1 medical group.
What is Dr. Stephen J. Ruffenach's office phone number?
The practice phone on file for Dr. Ruffenach is (520) 469-8100.
What is Dr. Stephen J. Ruffenach's medical license number?
Dr. Ruffenach holds Arizona license 2640.
Which hospitals is Dr. Stephen J. Ruffenach affiliated with?
Dr. Ruffenach practices at Northwest Medical Center in Tucson, Arizona.
What medical group is Dr. Stephen J. Ruffenach part of?
Dr. Ruffenach is linked to Northwest Medical Center. Dmand AI links Dr. Ruffenach to 1 more medical group.
Does Dr. Stephen J. Ruffenach accept Medicare?
Yes. CMS data shows Dr. Ruffenach billed Medicare for 40 services in 2022.
What services does Dr. Stephen J. Ruffenach bill to Medicare?
In 2022, Dr. Ruffenach's most billed Medicare services were hospital inpatient care (99223) and medical service (99220).
Where did Dr. Stephen J. Ruffenach go to medical school?
Dr. Ruffenach graduated from Rowan University School of Osteopathic Medicine in 1986.
Show 3 more questionsShow fewer questions
What drugs does Dr. Stephen J. Ruffenach prescribe most?
In 2020 Medicare Part D data, Dr. Ruffenach's most prescribed drugs by claims were Cephalexin, Eliquis and Furosemide.
Has Dr. Stephen J. Ruffenach received payments from drug or device companies?
CMS Open Payments shows $926 in general payments to Dr. Ruffenach from 3 companies from 2016 to 2018. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Stephen J. Ruffenach been practicing?
Dr. Ruffenach graduated from medical school in 1986, 40 years ago.
Selling to internal medicine practices?
See internists in Arizona by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card