Charles H. Fehring
- Medicare services, 2024
- 126
- Medicare patients, 2024
- 102
- Part D claims, 2024
- 106
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 2323 N Lake Dr, Milwaukee, WI 53211
- Practice phone
- Call (414) 585-1374
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Charles Fehring'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.
Charles H. Fehring is a general surgeon in Milwaukee, Wisconsin
Charles Fehring practices at Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin, part of Ascension Health Alliance.
Charles Fehring's NPI, 1841618774, was assigned on March 28, 2014. Charles Fehring graduated from Georgetown University School of Medicine in 2014. Charles Fehring holds Wisconsin license 64365.
- NPI
- 1841618774NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305262015
- NPI enumeration date
- March 28, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 585-1374
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Charles H. Fehring practices at Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin
Charles Fehring's primary practice is Ascension Columbia St. Mary's Hospital - Milwaukee Campus, at 2323 N Lake Dr, Milwaukee, WI 53211 in Milwaukee County. The practice phone is (414) 585-1374.
- Ascension Columbia St. Mary's Hospital - Milwaukee Campus2323 N Lake Dr, Milwaukee, WI 53211 · Milwaukee CountyPhone(414) 585-1374
Source: Dmand AI Affiliation Data
Charles H. Fehring is affiliated with 6 sites of care and 2 medical groups
Charles Fehring's primary practice is Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin, part of Ascension Health Alliance. Charles Fehring is also affiliated with Froedtert Hospital. The medical group on file is Ascension Medical Group. Dmand AI also links Charles Fehring to 2 more hospitals, 1 behavioral health center, 1 clinical lab and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Charles H. Fehring's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Charles Fehring practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Columbia St. Mary's Hospital - Milwaukee Campus | Available with a free account |
| +5 more sites and 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 Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Charles H. Fehring is one of 565 general surgeons in Wisconsin
Surgery is Charles Fehring's primary specialty in the NPI Registry, under taxonomy code 208600000X. Charles Fehring is licensed in Wisconsin.
Specialties and state licenses
- Surgery, WisconsinPrimary
General surgeons near Charles Fehring
Counts of general surgeons 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
Charles H. Fehring billed Medicare for 126 services in 2024
CMS data shows 126 Medicare services from Charles Fehring across 4 procedure codes in 2024, for 102 Medicare patients. Medicare paid $10,901 for them.
Charles Fehring's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 722024: 12675%
Where Charles Fehring's Medicare services took place, 2024
- In an office1411%
- In a facility11289%
Charles Fehring compared with the Wisconsin median for general surgeons, 2024
- Charles Fehring
- Wisconsin median
- Medicare services
- 126vs 9927% above
- Medicare patients
- 102vs 100Close to median
- Part D claims
- 73vs 3797% above
Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.
Charles Fehring's most billed Medicare procedure codes, 2024
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 Charles Fehring?
Medicare shows one payer. Book a meeting to get commercial claims data for Charles Fehring and other general surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Charles H. Fehring treated 102 Medicare patients in 2024, average age 69
CMS counts 102 Medicare patients who saw Charles Fehring in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 40% are also on Medicaid. Their average risk score is 2.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Charles Fehring's median patient age at 60, with 49% women.
Charles Fehring's Medicare patients by age, 2024
Charles Fehring's Medicare patients by sex, 2024
- Women4645%
- Men5655%
Chronic conditions among Charles Fehring's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease41%
- Anxiety37%
- Diabetes37%
- Mood disorders36%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Charles Fehring's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Charles H. Fehring wrote 106 Medicare Part D claims in 2024
In 2024, Charles Fehring wrote 106 Medicare Part D claims for 88 patients. 99% of them were for generic drugs. CMS names the drug for 73 of them, across 1 drug with 11 or more claims each, at $281 in total drug cost. In 2023, CMS named 55 claims across 1 drug.
Charles Fehring's Part D claims by kind of drug, 2024
- Generic105 claims99%
- Brand-name and other1 claims1%
Charles Fehring's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Charles Fehring's Part D claims, 2024
- Opioids78%83 of 106 claims
- Antibiotics15%16 of 106 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 552024: 7333%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Charles H. Fehring ranks in the 75th percentile for hernia repair (minimally invasive) in Medicare
Charles Fehring accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of hernia repair (minimally invasive) by Charles Fehring, more than 75% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Charles Fehring ranks in Medicare procedure volume
- Removal of tissue
- 68th percentile18 procedures
- Hernia repair (minimally invasive)
- 75th percentile12 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 42nd percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Charles H. Fehring has 1 publication on record
Dmand AI links 1 paper to Charles Fehring in 2017. Charles Fehring's most frequent co-author is Rebecca Maria Rentea, MD.
Charles Fehring's most frequent co-authors
Recent publications by Charles Fehring
See who Charles Fehring researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Charles Fehring works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Charles H. Fehring received $85,610 in industry payments from 2017 to 2025
CMS Open Payments shows 139 general payments to Charles Fehring from 22 drug and device companies from 2017 to 2025. Education make up the largest share, 81% of the total. Intuitive Surgical, Inc. paid the most, $81,008.
General payments to Charles Fehring by program year, 2017 to 2025
General payments to Charles Fehring by kind, 2017 to 2025
- Education$69,50081%
- Food and beverage$7,1328%
- Speaker and faculty fees$5,5006%
- Travel and lodging$3,1204%
- Other$3590%
Companies that paid Charles Fehring the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Charles H. Fehring graduated from Georgetown University School of Medicine
Charles Fehring graduated from Georgetown University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Charles H. Fehring'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Charles H. Fehring
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Charles H. Fehring's NPI number?
Charles H. Fehring's NPI number is 1841618774. It was assigned on March 28, 2014, and it is active in the NPI Registry.
What does Charles H. Fehring specialize in?
Charles H. Fehring is a general surgeon in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Charles H. Fehring practice?
Charles Fehring practices at 2323 N Lake Dr, Milwaukee, WI 53211. Charles Fehring's primary practice is Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin, part of Ascension Health Alliance. Dmand AI also links Charles Fehring to 2 hospitals, 1 behavioral health center, 1 clinical lab and 1 medical group.
What is Charles H. Fehring's office phone number?
The practice phone on file for Charles Fehring is (414) 585-1374.
What is Charles H. Fehring's medical license number?
Charles Fehring holds Wisconsin license 64365.
Which hospitals is Charles H. Fehring affiliated with?
Charles Fehring practices at Ascension Columbia St. Mary's Hospital - Milwaukee Campus in Milwaukee, Wisconsin. Charles Fehring is also affiliated with Froedtert Hospital. Dmand AI links Charles Fehring to 2 more hospitals.
What medical group is Charles H. Fehring part of?
Charles Fehring is linked to Ascension Medical Group. Dmand AI links Charles Fehring to 1 more medical group.
Does Charles H. Fehring accept Medicare?
Yes. CMS data shows Charles Fehring billed Medicare for 126 services in 2024, and Charles Fehring accepts Medicare assignment.
How many Medicare patients does Charles H. Fehring see?
CMS counts 102 Medicare patients who saw Charles Fehring in 2024, with an average age of 69.
What services does Charles H. Fehring bill to Medicare?
In 2024, Charles Fehring's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99223).
Show 6 more questionsShow fewer questions
Where did Charles H. Fehring go to medical school?
Charles Fehring graduated from Georgetown University School of Medicine in 2014.
What drugs does Charles H. Fehring prescribe most?
In 2024 Medicare Part D data, Charles Fehring's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Charles H. Fehring received payments from drug or device companies?
CMS Open Payments shows $85,610 in general payments to Charles Fehring from 22 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Charles H. Fehring been practicing?
Charles Fehring graduated from medical school in 2014, 12 years ago.
Does Charles H. Fehring do research?
Dmand AI links 1 publication to Charles Fehring.
Who does Charles H. Fehring publish with?
Charles Fehring's most frequent co-authors are Rebecca Maria Rentea, MD (1 shared paper).
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