Dr. John Russell Felker, MD
- Medicare services, 2016
- 1,522
- Part D claims, 2018
- 25
- Industry payments
- $649
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3 Doctors Park, Cape Girardeau, MO 63703-4927
- Practice phone
- Call (573) 334-7748
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Felker'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. John Russell Felker is a urologist in Cape Girardeau, Missouri
Dr. Felker practices in Cape Girardeau, Missouri.
Dr. Felker's NPI, 1811937816, was assigned on June 7, 2006. Dr. Felker holds Missouri license R9126.
- NPI
- 1811937816NPI Registry (opens in a new tab)
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Practice phone
- (573) 334-7748
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Russell Felker's practice address is in Cape Girardeau, Missouri
Dr. Felker's practice address in the NPI Registry is 3 Doctors Park, Cape Girardeau, MO 63703-4927. The practice phone is (573) 334-7748.
- NPI Registry address3 Doctors Park, Cape Girardeau, MO 63703-4927Phone(573) 334-7748
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John Russell Felker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Felker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Felker's practice | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Russell Felker is one of 246 urologists in Missouri
Urology is Dr. Felker's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Felker is licensed in Missouri.
Specialties and state licenses
- Urology, MissouriPrimary
Urologists near Dr. Felker
Counts of urologists 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. John Russell Felker billed Medicare for 1,522 services in 2016
CMS data shows 1,522 Medicare services from Dr. Felker across 13 procedure codes in 2016. Medicare paid $28,153 for them. Every service was in an office.
Dr. Felker's Medicare services by type, 2016
- Lab and pathology604
- Surgery472
- Office and hospital visits415
- Imaging31
Dr. Felker compared with the Missouri median for urologists, 2016
- Dr. Felker
- Missouri median
- Medicare services
- 1,522vs 1,534Close to median
- Part D claims
- 25vs 79997% below
Medians across 252 urologists in Missouri with Dmand AI profiles that report each measure.
Dr. Felker's most billed Medicare procedure codes, 2016
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. Felker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Felker and other urologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Russell Felker's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Felker's median patient age at 78, with 38% women.
Dr. Felker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women38%
- Men63%
Source: Dmand AI Patient Panel Data
Dr. John Russell Felker wrote 25 Medicare Part D claims in 2018
In 2018, Dr. Felker wrote 25 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $290 in total drug cost. In 2017, CMS named 73 claims across 4 drugs.
Dr. Felker's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 732018: 2566%
Drugs named by CMS: 2 in 2018, 4 in 2017.
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. John Russell Felker received $649 in industry payments from 2016 to 2024
CMS Open Payments shows 30 general payments to Dr. Felker from 12 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $145.
General payments to Dr. Felker by program year, 2016 to 2024
Companies that paid Dr. Felker the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Russell Felker'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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) |
| 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. John Russell Felker
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. John Russell Felker's NPI number?
Dr. John Russell Felker's NPI number is 1811937816. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Russell Felker?
Dr. John Russell Felker is a urologist in Cape Girardeau, Missouri. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. John Russell Felker practice?
Dr. Felker practices at 3 Doctors Park, Cape Girardeau, MO 63703-4927.
What is Dr. John Russell Felker's office phone number?
The practice phone on file for Dr. Felker is (573) 334-7748.
What is Dr. John Russell Felker's medical license number?
Dr. Felker holds Missouri license R9126.
Does Dr. John Russell Felker accept Medicare?
Yes. CMS data shows Dr. Felker billed Medicare for 1,522 services in 2016.
What services does Dr. John Russell Felker bill to Medicare?
In 2016, Dr. Felker's most billed Medicare services were lab and pathology test (81000), office visit, established patient (99213) and surgery: urinary system (51798).
What drugs does Dr. John Russell Felker prescribe most?
In 2018 Medicare Part D data, Dr. Felker's most prescribed drugs by claims were Omeprazole and Trimethoprim.
Has Dr. John Russell Felker received payments from drug or device companies?
CMS Open Payments shows $649 in general payments to Dr. Felker from 12 companies from 2016 to 2024. The largest total came from Astellas Pharma US Inc.
How long has Dr. John Russell Felker been practicing?
Dr. Felker's NPI was assigned in 2006.
Selling to urology practices?
See urologists in Missouri 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