Dr. Stephen Karnes Janney, MD
- Part D claims, 2016
- 34
- Hospital affiliations
- 1
- Industry payments
- $9
- Medical groups
- 3
- State license
- 1
- Practice address
- 430 North Monte Vista, Ada, OK 74820
- Practice phone
- Call (580) 332-2323
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Janney's professional email, personal email and mobile number
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Dr. Stephen Karnes Janney is a hematologist and oncologist in Ada, Oklahoma
Dr. Janney practices at Mercy Hospital Ada in Ada, Oklahoma, part of Mercy.
Dr. Janney's NPI, 1265446074, was assigned on July 28, 2006. Dr. Janney holds Missouri license R8D25.
- NPI
- 1265446074NPI Registry (opens in a new tab)
- NPI enumeration date
- July 28, 2006
- NPI status
- Active
- Practice phone
- (580) 332-2323
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Karnes Janney practices at Mercy Hospital Ada in Ada, Oklahoma
Dr. Janney's primary practice is Mercy Hospital Ada, at 430 North Monte Vista, Ada, OK 74820 in Pontotoc County. The practice phone is (580) 332-2323.
- Mercy Hospital Ada430 North Monte Vista, Ada, OK 74820 · Pontotoc CountyPhone(580) 332-2323
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Karnes Janney is affiliated with 2 sites of care and 3 medical groups
Dr. Janney's primary practice is Mercy Hospital Ada in Ada, Oklahoma, part of Mercy. The medical group on file is Mercy Clinic Oklahoma Communities. Dmand AI also links Dr. Janney to 2 more medical groups and 1 group practice or clinic, each 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 Karnes Janney's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janney practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital Ada | Available with a free account |
| +1 more site and 2 medical groups | 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 Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen Karnes Janney is one of 134 hematologists and oncologists in Oklahoma
Hematology and oncology is Dr. Janney's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Janney is licensed in Missouri.
Specialties and state licenses
- Hematology and oncology, MissouriPrimary
Hematologists and oncologists near Dr. Janney
Counts of hematologists and oncologists 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 Karnes Janney's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Janney's median patient age at 61, with 0% women.
Dr. Janney's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Stephen Karnes Janney wrote 34 Medicare Part D claims in 2016
In 2016, Dr. Janney wrote 34 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $480 in total drug cost.
Dr. Janney'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.
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 Karnes Janney received $9 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Janney from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $9.
Companies that paid Dr. Janney the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Stephen Karnes Janney'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 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) |
| 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 Karnes Janney
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 Karnes Janney's NPI number?
Dr. Stephen Karnes Janney's NPI number is 1265446074. It was assigned on July 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Karnes Janney?
Dr. Stephen Karnes Janney is a hematologist and oncologist in Ada, Oklahoma. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Stephen Karnes Janney practice?
Dr. Janney practices at 430 North Monte Vista, Ada, OK 74820. Dr. Janney's primary practice is Mercy Hospital Ada in Ada, Oklahoma, part of Mercy. Dmand AI also links Dr. Janney to 2 medical groups and 1 group practice or clinic.
What is Dr. Stephen Karnes Janney's office phone number?
The practice phone on file for Dr. Janney is (580) 332-2323.
What is Dr. Stephen Karnes Janney's medical license number?
Dr. Janney holds Missouri license R8D25.
Which hospitals is Dr. Stephen Karnes Janney affiliated with?
Dr. Janney practices at Mercy Hospital Ada in Ada, Oklahoma.
What medical group is Dr. Stephen Karnes Janney part of?
Dr. Janney is linked to Mercy Clinic Oklahoma Communities. Dmand AI links Dr. Janney to 2 more medical groups.
What drugs does Dr. Stephen Karnes Janney prescribe most?
In 2016 Medicare Part D data, Dr. Janney's most prescribed drugs by claims were Anastrozole and Hydroxyurea.
Has Dr. Stephen Karnes Janney received payments from drug or device companies?
CMS Open Payments shows $9 in general payments to Dr. Janney from 1 company from 2016 to 2016. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Stephen Karnes Janney been practicing?
Dr. Janney's NPI was assigned in 2006.
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