Dr. Ragasri Kumar Merkes, DO
- Medicare services, 2024
- 429
- Medicare patients, 2024
- 218
- Part D claims, 2024
- 4,064
- Hospital affiliations
- 2
- Industry payments
- $2,256
- Practice address
- 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601
- Practice phone
- Call (608) 775-3176
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gundersen Lutheran Medical Center - Dialysis
Dialysis Center - Hospital-Based · La Crosse, Wisconsin
Find Dr. Kumar Merkes' 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. Ragasri Kumar Merkes is a neurologist in La Crosse, Wisconsin
Dr. Kumar Merkes practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin.
Dr. Kumar Merkes' NPI, 1699930594, was assigned on July 21, 2008. Dr. Kumar Merkes holds Wisconsin license 55359.
- NPI
- 1699930594NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799969523
- NPI enumeration date
- July 21, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 775-3176
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ragasri Kumar Merkes practices at Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin
Dr. Kumar Merkes' primary practice is Gundersen Lutheran Medical Center - Dialysis, at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 in La Crosse County. The practice phone is (608) 775-3176.
- Gundersen Lutheran Medical Center - Dialysis1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601 · La Crosse CountyPhone(608) 775-3176
Source: Dmand AI Affiliation Data
Dr. Ragasri Kumar Merkes is affiliated with 4 sites of care and 4 medical groups
Dr. Kumar Merkes' primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dr. Kumar Merkes is also affiliated with Gundersen Lutheran Medical Center. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links Dr. Kumar Merkes to 1 more hospital, 3 medical groups and 1 group practice or clinic, each named with a free account. Dr. Kumar Merkes' employer is on file too: a dialysis center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ragasri Kumar Merkes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kumar Merkes practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gundersen Lutheran Medical Center - Dialysis | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ragasri Kumar Merkes is one of 330 neurologists in Wisconsin
Neurology is Dr. Kumar Merkes' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Kumar Merkes' licenses on file in 2 states: Wisconsin and Illinois.
Specialties and state licenses
- Neurology, WisconsinPrimary
- Illinois license
Neurologists near Dr. Kumar Merkes
Counts of neurologists 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. Ragasri Kumar Merkes billed Medicare for 429 services in 2024
CMS data shows 429 Medicare services from Dr. Kumar Merkes across 7 procedure codes in 2024, for 218 Medicare patients. Medicare paid $18,479 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kumar Merkes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2462024: 20815%
- Other services
- 2023: 02024: 175
- Tests and treatments
- 2023: 502024: 468%
Dr. Kumar Merkes compared with the Wisconsin median for neurologists, 2024
- Dr. Kumar Merkes
- Wisconsin median
- Medicare services
- 429vs 24972% above
- Medicare patients
- 218vs 16433% above
- Part D claims
- 3,903vs 5567.0 times
Medians across 332 neurologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Kumar Merkes' 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 Dr. Kumar Merkes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kumar Merkes and other neurologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ragasri Kumar Merkes treated 218 Medicare patients in 2024, average age 62
CMS counts 218 Medicare patients who saw Dr. Kumar Merkes in 2024. The largest group is under 65, with 97 patients. 50% of them have high blood pressure, and 50% have high cholesterol. 57% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kumar Merkes' median patient age at 49, with 55% women.
Dr. Kumar Merkes' Medicare patients by age, 2024
Dr. Kumar Merkes' Medicare patients by sex, 2024
- Women10950%
- Men10950%
Chronic conditions among Dr. Kumar Merkes' Medicare patients, 2024
- High blood pressure50%
- High cholesterol50%
- Mood disorders34%
- Anxiety32%
- Depression30%
- Arthritis27%
- Chronic kidney disease23%
- Diabetes18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kumar Merkes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
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. Ragasri Kumar Merkes wrote 4,064 Medicare Part D claims in 2024
In 2024, Dr. Kumar Merkes wrote 4,064 Medicare Part D claims for 332 patients. 82% of them were for generic drugs. CMS names the drug for 3,903 of them, across 65 drugs with 11 or more claims each, at $821,452 in total drug cost. In 2023, CMS named 3,747 claims across 58 drugs.
Dr. Kumar Merkes' Part D claims by kind of drug, 2024
- Generic3,318 claims82%
- Brand-name655 claims16%
- Other91 claims2%
Dr. Kumar Merkes' 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. Kumar Merkes' Part D claims, 2024
- Opioids1%23 of 4,064 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: 3,7472024: 3,9034%
Drugs named by CMS: 65 in 2024, 58 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. Ragasri Kumar Merkes offers telehealth to Medicare patients
Dr. Kumar Merkes accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kumar Merkes as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ragasri Kumar Merkes received $2,256 in industry payments from 2017 to 2024
CMS Open Payments shows 16 general payments to Dr. Kumar Merkes from 8 drug and device companies from 2017 to 2024. Travel and lodging make up the largest share, 54% of the total. LivaNova USA, Inc. paid the most, $1,495.
General payments to Dr. Kumar Merkes by program year, 2017 to 2024
General payments to Dr. Kumar Merkes by kind, 2017 to 2024
- Travel and lodging$1,22154%
- Food and beverage$1,03446%
Companies that paid Dr. Kumar Merkes the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ragasri Kumar Merkes'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) |
| 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. Ragasri Kumar Merkes
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. Ragasri Kumar Merkes' NPI number?
Dr. Ragasri Kumar Merkes' NPI number is 1699930594. It was assigned on July 21, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ragasri Kumar Merkes?
Dr. Ragasri Kumar Merkes is a neurologist in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Ragasri Kumar Merkes practice?
Dr. Kumar Merkes practices at 1910 South Ave, Heritage Building 2 West, La Crosse, WI 54601. Dr. Kumar Merkes' primary practice is Gundersen Lutheran Medical Center - Dialysis in La Crosse, Wisconsin. Dmand AI also links Dr. Kumar Merkes to 1 hospital, 3 medical groups and 1 group practice or clinic.
What is Dr. Ragasri Kumar Merkes' office phone number?
The practice phone on file for Dr. Kumar Merkes is (608) 775-3176.
What is Dr. Ragasri Kumar Merkes' medical license number?
Dr. Kumar Merkes holds Wisconsin license 55359, one of the licenses on file in 2 states.
Which states has Dr. Ragasri Kumar Merkes been licensed in?
Dmand AI has state licenses on file for Dr. Kumar Merkes in Wisconsin and Illinois.
Which hospitals is Dr. Ragasri Kumar Merkes affiliated with?
Dr. Kumar Merkes is affiliated with Gundersen Lutheran Medical Center. Dmand AI links Dr. Kumar Merkes to 1 more hospital.
What medical group is Dr. Ragasri Kumar Merkes part of?
Dr. Kumar Merkes is linked to Gundersen Lutheran Medical Center. Dmand AI links Dr. Kumar Merkes to 3 more medical groups.
Does Dr. Ragasri Kumar Merkes accept Medicare?
Yes. CMS data shows Dr. Kumar Merkes billed Medicare for 429 services in 2024, and Dr. Kumar Merkes accepts Medicare assignment.
Does Dr. Ragasri Kumar Merkes offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kumar Merkes as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Ragasri Kumar Merkes see?
CMS counts 218 Medicare patients who saw Dr. Kumar Merkes in 2024, with an average age of 62.
What services does Dr. Ragasri Kumar Merkes bill to Medicare?
In 2024, Dr. Kumar Merkes' most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).
What drugs does Dr. Ragasri Kumar Merkes prescribe most?
In 2024 Medicare Part D data, Dr. Kumar Merkes' most prescribed drugs by claims were Levetiracetam, Topiramate and Lamotrigine.
Has Dr. Ragasri Kumar Merkes received payments from drug or device companies?
CMS Open Payments shows $2,256 in general payments to Dr. Kumar Merkes from 8 companies from 2017 to 2024. The largest total came from LivaNova USA, Inc.
How long has Dr. Ragasri Kumar Merkes been practicing?
Dr. Kumar Merkes graduated from medical school in 2006, 20 years ago.
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