Dr. Nydia C. Ros, MD
- Medicare services, 2024
- 337
- Medicare patients, 2024
- 136
- Part D claims, 2024
- 330
- Hospital affiliations
- 1
- Industry payments
- $314
- Practice address
- 430 E Division St, Fond Du Lac, WI 54935
- Practice phone
- Call (920) 929-2300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ros' professional email, personal email and mobile number
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Dr. Nydia C. Ros is a hospitalist in Fond Du Lac, Wisconsin
Dr. Ros practices at SSM Health St. Agnes Hospital - Fond du Lac in Fond Du Lac, Wisconsin, part of SSM Health Care.
Dr. Ros' NPI, 1124131701, was assigned on August 16, 2006. Dr. Ros holds Wisconsin license 69024.
- NPI
- 1124131701NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547439523
- NPI enumeration date
- August 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 929-2300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nydia C. Ros practices at SSM Health St. Agnes Hospital - Fond du Lac in Fond Du Lac, Wisconsin
Dr. Ros' primary practice is SSM Health St. Agnes Hospital - Fond du Lac, at 430 E Division St, Fond Du Lac, WI 54935 in Fond Du Lac County. The practice phone is (920) 929-2300.
- SSM Health St. Agnes Hospital - Fond du Lac430 E Division St, Fond Du Lac, WI 54935 · Fond Du Lac CountyPhone(920) 929-2300
Source: Dmand AI Affiliation Data
Dr. Nydia C. Ros is affiliated with 1 site of care and 1 medical group
Dr. Ros' primary practice is SSM Health St. Agnes Hospital - Fond du Lac in Fond Du Lac, Wisconsin, part of SSM Health Care. The medical group on file is SSM Health St. Agnes Hospital - Fond du Lac.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nydia C. Ros' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ros practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Agnes Hospital - Fond du Lac | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nydia C. Ros is one of 773 hospitalists in Wisconsin
Hospitalist is Dr. Ros' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Ros is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ros is licensed in Wisconsin.
Specialties and state licenses
- Hospitalist, WisconsinPrimary
Hospitalists near Dr. Ros
Counts of hospitalists 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. Nydia C. Ros billed Medicare for 337 services in 2024
CMS data shows 337 Medicare services from Dr. Ros across 5 procedure codes in 2024, for 136 Medicare patients. Medicare paid $24,960 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ros' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3502024: 3374%
Dr. Ros compared with the Wisconsin median for hospitalists, 2024
- Dr. Ros
- Wisconsin median
- Medicare services
- 337vs 3576% below
- Medicare patients
- 136vs 16518% below
- Part D claims
- 68vs 7813% below
Medians across 743 hospitalists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Ros' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nydia C. Ros treated 136 Medicare patients in 2024, average age 78
CMS counts 136 Medicare patients who saw Dr. Ros in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ros' median patient age at 74, with 49% women.
Dr. Ros' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ros' Medicare patients by sex, 2024
- Women6346%
- Men7354%
Chronic conditions among Dr. Ros' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease57%
- Heart failure56%
- Chronic kidney disease54%
- Diabetes54%
- Arthritis49%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ros' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nydia C. Ros wrote 330 Medicare Part D claims in 2024
In 2024, Dr. Ros wrote 330 Medicare Part D claims for 124 patients. 88% of them were for generic drugs. CMS names the drug for 68 of them, across 5 drugs with 11 or more claims each, at $9,000 in total drug cost. In 2023, CMS named 42 claims across 3 drugs.
Dr. Ros' Part D claims by kind of drug, 2024
- Generic290 claims88%
- Brand-name40 claims12%
Dr. Ros' 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. Ros' Part D claims, 2024
- Opioids9%29 of 330 claims
- Antibiotics13%44 of 330 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: 422024: 6862%
Drugs named by CMS: 5 in 2024, 3 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
How Dr. Nydia C. Ros takes part in Medicare
Dr. Ros accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nydia C. Ros received $314 in industry payments from 2016 to 2024
CMS Open Payments shows 18 general payments to Dr. Ros from 2 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $299.
General payments to Dr. Ros by program year, 2016 to 2024
Companies that paid Dr. Ros the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nydia C. Ros is board certified in internal medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Nydia C. Ros'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) |
| 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. Nydia C. Ros
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. Nydia C. Ros' NPI number?
Dr. Nydia C. Ros' NPI number is 1124131701. It was assigned on August 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nydia C. Ros?
Dr. Nydia C. Ros is a hospitalist in Fond Du Lac, Wisconsin. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Nydia C. Ros practice?
Dr. Ros practices at 430 E Division St, Fond Du Lac, WI 54935. Dr. Ros' primary practice is SSM Health St. Agnes Hospital - Fond du Lac in Fond Du Lac, Wisconsin, part of SSM Health Care.
What is Dr. Nydia C. Ros' office phone number?
The practice phone on file for Dr. Ros is (920) 929-2300.
What is Dr. Nydia C. Ros' medical license number?
Dr. Ros holds Wisconsin license 69024.
Which hospitals is Dr. Nydia C. Ros affiliated with?
Dr. Ros practices at SSM Health St. Agnes Hospital - Fond du Lac in Fond Du Lac, Wisconsin.
What medical group is Dr. Nydia C. Ros part of?
Dr. Ros is linked to SSM Health St. Agnes Hospital - Fond du Lac.
Does Dr. Nydia C. Ros accept Medicare?
Yes. CMS data shows Dr. Ros billed Medicare for 337 services in 2024, and Dr. Ros accepts Medicare assignment.
How many Medicare patients does Dr. Nydia C. Ros see?
CMS counts 136 Medicare patients who saw Dr. Ros in 2024, with an average age of 78.
Is Dr. Nydia C. Ros board certified?
Yes. Dr. Ros is board certified in internal medicine by the American Board of Internal Medicine.
Show 4 more questionsShow fewer questions
What services does Dr. Nydia C. Ros bill to Medicare?
In 2024, Dr. Ros' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
What drugs does Dr. Nydia C. Ros prescribe most?
In 2024 Medicare Part D data, Dr. Ros' most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Amlodipine Besylate.
Has Dr. Nydia C. Ros received payments from drug or device companies?
CMS Open Payments shows $314 in general payments to Dr. Ros from 2 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Nydia C. Ros been practicing?
Dr. Ros graduated from medical school in 1980, 46 years ago.
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