Dr. John A. Feldenzer, MD
- Medicare services, 2018
- 95
- Part D claims, 2016
- 12
- Hospital affiliations
- 1
- Industry payments
- $211
- State license
- 1
- Practice address
- 1970 Roanoke Boulevard, Salem, VA 24153
- Practice phone
- Call (540) 982-2463
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Feldenzer'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 A. Feldenzer is a neurosurgeon in Salem, Virginia
Dr. Feldenzer practices at Salem VA Medical Center in Salem, Virginia, part of Veterans Health Administration.
Dr. Feldenzer's NPI, 1457346975, was assigned on September 12, 2005. Dr. Feldenzer holds Virginia license 0101043696.
- NPI
- 1457346975NPI Registry (opens in a new tab)
- NPI enumeration date
- September 12, 2005
- NPI status
- Active
- Practice phone
- (540) 982-2463
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John A. Feldenzer practices at Salem VA Medical Center in Salem, Virginia
Dr. Feldenzer's primary practice is Salem VA Medical Center, at 1970 Roanoke Boulevard, Salem, VA 24153 in Salem City. The practice phone is (540) 982-2463.
- Salem VA Medical Center1970 Roanoke Boulevard, Salem, VA 24153 · Salem CityPhone(540) 982-2463
Source: Dmand AI Affiliation Data
Dr. John A. Feldenzer is affiliated with 1 site of care
Dr. Feldenzer's primary practice is Salem VA Medical Center in Salem, Virginia, part of Veterans Health Administration. Dr. Feldenzer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John A. Feldenzer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Feldenzer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Salem VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John A. Feldenzer is one of 166 neurosurgeons in Virginia
Neurological surgery is Dr. Feldenzer's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Feldenzer is licensed in Virginia.
Specialties and state licenses
- Neurological surgery, VirginiaPrimary
Neurosurgeons near Dr. Feldenzer
Counts of neurosurgeons 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 A. Feldenzer billed Medicare for 95 services in 2018
CMS data shows 95 Medicare services from Dr. Feldenzer across 2 procedure codes in 2018, all of them office visits. Medicare paid $6,383 for them. Every service was in an office.
Dr. Feldenzer's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 752018: 9527%
Dr. Feldenzer compared with the Virginia median for neurosurgeons, 2018
- Dr. Feldenzer
- Virginia median
- Medicare services
- 95vs 32070% below
- Part D claims
- 12vs 3060% below
Medians across 151 neurosurgeons in Virginia with Dmand AI profiles that report each measure.
Dr. Feldenzer's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Feldenzer and other neurosurgeons in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John A. Feldenzer's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Feldenzer's median patient age at 69, with 43% women.
Dr. Feldenzer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. John A. Feldenzer wrote 12 Medicare Part D claims in 2016
In 2016, Dr. Feldenzer wrote 12 Medicare Part D claims. They cover 1 drug, with $103 in total drug cost.
Dr. Feldenzer'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
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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 A. Feldenzer received $211 in industry payments from 2016 to 2020
CMS Open Payments shows 2 general payments to Dr. Feldenzer from 2 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $121.
General payments to Dr. Feldenzer by program year, 2016 to 2020
Companies that paid Dr. Feldenzer the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John A. Feldenzer'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand 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) |
| 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 A. Feldenzer
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 A. Feldenzer's NPI number?
Dr. John A. Feldenzer's NPI number is 1457346975. It was assigned on September 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John A. Feldenzer?
Dr. John A. Feldenzer is a neurosurgeon in Salem, Virginia. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. John A. Feldenzer practice?
Dr. Feldenzer practices at 1970 Roanoke Boulevard, Salem, VA 24153. Dr. Feldenzer's primary practice is Salem VA Medical Center in Salem, Virginia, part of Veterans Health Administration.
What is Dr. John A. Feldenzer's office phone number?
The practice phone on file for Dr. Feldenzer is (540) 982-2463.
What is Dr. John A. Feldenzer's medical license number?
Dr. Feldenzer holds Virginia license 0101043696.
Which hospitals is Dr. John A. Feldenzer affiliated with?
Dr. Feldenzer practices at Salem VA Medical Center in Salem, Virginia.
Does Dr. John A. Feldenzer accept Medicare?
Yes. CMS data shows Dr. Feldenzer billed Medicare for 95 services in 2018.
What services does Dr. John A. Feldenzer bill to Medicare?
In 2018, Dr. Feldenzer's most billed Medicare services were office visit, new patient (99203) and office visit, established patient (99213).
What drugs does Dr. John A. Feldenzer prescribe most?
In 2016 Medicare Part D data, Dr. Feldenzer's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. John A. Feldenzer received payments from drug or device companies?
CMS Open Payments shows $211 in general payments to Dr. Feldenzer from 2 companies from 2016 to 2020. The largest total came from Medtronic USA, Inc.
How long has Dr. John A. Feldenzer been practicing?
Dr. Feldenzer's NPI was assigned in 2005.
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