Dr. Raymond L. Hartke, MD
- Medicare services, 2024
- 641
- Medicare patients, 2024
- 443
- Part D claims, 2024
- 1,856
- MIPS score, 2024
- 91
- Hospital affiliations
- 5
- Practice address
- 411 Westwood Dr, Wausau, WI 54401
- Practice phone
- Call (715) 847-0443
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
GastroIntestinal Associates Endoscopy Center
Surgery Center - Medicare-Certified · Wausau, Wisconsin
Find Dr. Hartke's professional email, personal email and mobile number
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Dr. Raymond L. Hartke is a gastroenterologist in Wausau, Wisconsin
Dr. Hartke practices at GastroIntestinal Associates Endoscopy Center in Wausau, Wisconsin.
Dr. Hartke's NPI, 1952475931, was assigned on November 20, 2006. Dr. Hartke graduated from Ohio State University College of Medicine in 1990. Dr. Hartke holds Wisconsin license 36338.
- NPI
- 1952475931NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355374786
- NPI enumeration date
- November 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (715) 847-0443
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raymond L. Hartke practices at GastroIntestinal Associates Endoscopy Center in Wausau, Wisconsin
Dr. Hartke's primary practice is GastroIntestinal Associates Endoscopy Center, at 411 Westwood Dr, Wausau, WI 54401. The practice phone is (715) 847-0443.
- GastroIntestinal Associates Endoscopy Center411 Westwood Dr, Wausau, WI 54401Phone(715) 847-0443
Source: Dmand AI Affiliation Data
Dr. Raymond L. Hartke is affiliated with 6 sites of care and 1 medical group
Dr. Hartke's primary practice is GastroIntestinal Associates Endoscopy Center in Wausau, Wisconsin. Dr. Hartke is also affiliated with Aspirus Wausau Hospital. The medical group on file is GI Associates. Dmand AI also links Dr. Hartke to 4 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Raymond L. Hartke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hartke practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| GastroIntestinal Associates Endoscopy Center | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Raymond L. Hartke is one of 277 gastroenterologists in Wisconsin
Gastroenterology is Dr. Hartke's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Hartke is licensed in Wisconsin.
Specialties and state licenses
- Gastroenterology, WisconsinPrimary
Gastroenterologists near Dr. Hartke
Counts of gastroenterologists 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. Raymond L. Hartke billed Medicare for 641 services in 2024
CMS data shows 641 Medicare services from Dr. Hartke across 14 procedure codes in 2024, for 443 Medicare patients. Medicare paid $75,288 for them.
Dr. Hartke's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3502024: 3706%
- Office and hospital visits
- 2023: 1702024: 19515%
- Other services
- 2023: 982024: 6435%
- Tests and treatments
- 2023: 172024: 1229%
Where Dr. Hartke's Medicare services took place, 2024
- In an office18829%
- In a facility45371%
Dr. Hartke compared with the Wisconsin median for gastroenterologists, 2024
- Dr. Hartke
- Wisconsin median
- Medicare services
- 641vs 32995% above
- Medicare patients
- 443vs 25872% above
- Part D claims
- 1,638vs 4293.8 times
Medians across 278 gastroenterologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Hartke'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hartke and other gastroenterologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raymond L. Hartke treated 443 Medicare patients in 2024, average age 73
CMS counts 443 Medicare patients who saw Dr. Hartke in 2024. The largest group is 65 to 74, with 251 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hartke's median patient age at 67, with 55% women.
Dr. Hartke's Medicare patients by age, 2024
Dr. Hartke's Medicare patients by sex, 2024
- Women25357%
- Men19043%
Chronic conditions among Dr. Hartke's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis40%
- Ischemic heart disease26%
- Diabetes25%
- Anxiety23%
- Mood disorders21%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hartke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Raymond L. Hartke wrote 1,856 Medicare Part D claims in 2024
In 2024, Dr. Hartke wrote 1,856 Medicare Part D claims for 424 patients. 81% of them were for generic drugs. CMS names the drug for 1,638 of them, across 34 drugs with 11 or more claims each, at $874,421 in total drug cost. In 2023, CMS named 1,569 claims across 37 drugs.
Dr. Hartke's Part D claims by kind of drug, 2024
- Generic1,506 claims81%
- Brand-name350 claims19%
Dr. Hartke'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 Dr. Hartke's Part D claims, 2024
- Antibiotics6%117 of 1,856 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: 1,5692024: 1,6384%
Drugs named by CMS: 34 in 2024, 37 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
Dr. Raymond L. Hartke scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Hartke for performance year 2024, reported as part of a group. Dr. Hartke accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hartke as offering telehealth. CMS counts 170 procedures of colonoscopy by Dr. Hartke, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Hartke's MIPS scores, performance year 2024
- 91of 100Final score
- 86.9of 100Quality
- 100of 100Promoting Interoperability
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Hartke ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 88th percentile174 procedures
- Colonoscopy
- 91st percentile170 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Raymond L. Hartke received $1,981 in industry payments from 2016 to 2023
CMS Open Payments shows 7 general payments to Dr. Hartke from 5 drug and device companies from 2016 to 2023. Education speaker fees make up the largest share, 84% of the total. FUJIFILM Healthcare Americas Corporation paid the most, $1,673.
General payments to Dr. Hartke by program year, 2016 to 2023
General payments to Dr. Hartke by kind, 2016 to 2023
- Education speaker fees$1,67384%
- Consulting fees$20010%
- Education$704%
- Food and beverage$372%
Companies that paid Dr. Hartke the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Raymond L. Hartke graduated from Ohio State University College of Medicine
Dr. Hartke graduated from Ohio State University College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Raymond L. Hartke'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Raymond L. Hartke
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. Raymond L. Hartke's NPI number?
Dr. Raymond L. Hartke's NPI number is 1952475931. It was assigned on November 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Raymond L. Hartke?
Dr. Raymond L. Hartke is a gastroenterologist in Wausau, Wisconsin. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Raymond L. Hartke practice?
Dr. Hartke practices at 411 Westwood Dr, Wausau, WI 54401. Dr. Hartke's primary practice is GastroIntestinal Associates Endoscopy Center in Wausau, Wisconsin. Dmand AI also links Dr. Hartke to 4 hospitals.
What is Dr. Raymond L. Hartke's office phone number?
The practice phone on file for Dr. Hartke is (715) 847-0443.
What is Dr. Raymond L. Hartke's medical license number?
Dr. Hartke holds Wisconsin license 36338.
Which hospitals is Dr. Raymond L. Hartke affiliated with?
Dr. Hartke is affiliated with Aspirus Wausau Hospital. Dmand AI links Dr. Hartke to 4 more hospitals.
What medical group is Dr. Raymond L. Hartke part of?
Dr. Hartke is linked to GI Associates.
Does Dr. Raymond L. Hartke accept Medicare?
Yes. CMS data shows Dr. Hartke billed Medicare for 641 services in 2024, and Dr. Hartke accepts Medicare assignment.
Does Dr. Raymond L. Hartke offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hartke as offering telehealth services.
What is Dr. Raymond L. Hartke's MIPS score?
Dr. Hartke's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Raymond L. Hartke see?
CMS counts 443 Medicare patients who saw Dr. Hartke in 2024, with an average age of 73.
What services does Dr. Raymond L. Hartke bill to Medicare?
In 2024, Dr. Hartke's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and office visit, established patient (99213).
Where did Dr. Raymond L. Hartke go to medical school?
Dr. Hartke graduated from Ohio State University College of Medicine in 1990.
What drugs does Dr. Raymond L. Hartke prescribe most?
In 2024 Medicare Part D data, Dr. Hartke's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Diphenoxylate-Atropine.
Has Dr. Raymond L. Hartke received payments from drug or device companies?
CMS Open Payments shows $1,981 in general payments to Dr. Hartke from 5 companies from 2016 to 2023. The largest total came from FUJIFILM Healthcare Americas Corporation.
How long has Dr. Raymond L. Hartke been practicing?
Dr. Hartke graduated from medical school in 1990, 36 years ago.
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