Dr. Rowena Bayudan Delos Santos, MD
- Medicare services, 2024
- 1,045
- Medicare patients, 2024
- 372
- Part D claims, 2024
- 7,021
- Publications
- 13
- MIPS score, 2024
- 84
- Practice address
- One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Delos Santos' professional email, personal email and mobile number
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Dr. Rowena Bayudan Delos Santos is a nephrologist in Saint Louis, Missouri
Dr. Delos Santos practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Delos Santos' NPI, 1154448207, was assigned on March 23, 2007. Dr. Delos Santos graduated from Creighton University School of Medicine in 2004. Dr. Delos Santos holds Missouri license 2012013845.
- NPI
- 1154448207NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638262991
- NPI enumeration date
- March 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (314) 747-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rowena Bayudan Delos Santos practices at 2 locations in Saint Louis, Missouri
Dr. Delos Santos' primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Delos Santos also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.
- Barnes-Jewish HospitalPrimaryOne Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Rowena Bayudan Delos Santos is affiliated with 6 sites of care and 1 medical group
Dr. Delos Santos' primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Delos Santos is also affiliated with Missouri Baptist Medical Center. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Delos Santos to 3 more hospitals and 1 group practice or clinic, 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. Rowena Bayudan Delos Santos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Delos Santos practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish Hospital | Available with a free account |
| +5 more affiliated sites | 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 BJC Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rowena Bayudan Delos Santos is one of 249 nephrologists in Missouri
Nephrology is Dr. Delos Santos' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Delos Santos is licensed in Missouri.
Specialties and state licenses
- Nephrology, MissouriPrimary
Nephrologists near Dr. Delos Santos
Counts of nephrologists 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. Rowena Bayudan Delos Santos billed Medicare for 1,045 services in 2024
CMS data shows 1,045 Medicare services from Dr. Delos Santos across 7 procedure codes in 2024, for 372 Medicare patients. Medicare paid $85,204 for them.
Dr. Delos Santos' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9192024: 81212%
- Lab and pathology
- 2023: 1602024: 1469%
- Tests and treatments
- 2023: 02024: 87
Where Dr. Delos Santos' Medicare services took place, 2024
- In an office36435%
- In a facility68165%
Dr. Delos Santos compared with the Missouri median for nephrologists, 2024
- Dr. Delos Santos
- Missouri median
- Medicare services
- 1,045vs 85722% above
- Medicare patients
- 372vs 27137% above
- Part D claims
- 6,747vs 7798.7 times
Medians across 240 nephrologists in Missouri with Dmand AI profiles that report each measure.
Dr. Delos Santos' 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. Delos Santos?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Delos Santos and other nephrologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rowena Bayudan Delos Santos treated 372 Medicare patients in 2024, average age 61
CMS counts 372 Medicare patients who saw Dr. Delos Santos in 2024. The largest group is under 65, with 179 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 28% are also on Medicaid. Their average risk score is 5.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Delos Santos' median patient age at 64, with 42% women.
Dr. Delos Santos' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Delos Santos' Medicare patients by sex, 2024
- Women15943%
- Men21357%
Chronic conditions among Dr. Delos Santos' Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Ischemic heart disease44%
- Arthritis42%
- Heart failure41%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Delos Santos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rowena Bayudan Delos Santos wrote 7,021 Medicare Part D claims in 2024
In 2024, Dr. Delos Santos wrote 7,021 Medicare Part D claims for 760 patients. 96% of them were for generic drugs. CMS names the drug for 6,747 of them, across 61 drugs with 11 or more claims each, at $258,734 in total drug cost. In 2023, CMS named 6,133 claims across 58 drugs.
Dr. Delos Santos' Part D claims by kind of drug, 2024
- Generic6,735 claims96%
- Brand-name and other286 claims4%
Dr. Delos Santos' 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. Delos Santos' Part D claims, 2024
- Opioids0%13 of 7,021 claims
- Antibiotics9%608 of 7,021 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: 6,1332024: 6,74710%
Drugs named by CMS: 61 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. Rowena Bayudan Delos Santos scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Delos Santos for performance year 2024, reported as part of a group. Dr. Delos Santos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Delos Santos as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Delos Santos' MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Rowena Bayudan Delos Santos has 13 publications on record
Dmand AI links 13 papers to Dr. Delos Santos, published from 2011 to 2024. 2014 was the busiest year, with 2. The most frequent topics are Kidney Transplantation, Cardiovascular Diseases and Immunosuppressive Agents. Dr. Delos Santos has published most often in Am J Nephrol. Dr. Delos Santos' most frequent co-authors are Christina L. Klein, MD, Ana P. Rossi, MD and Daniel W. Coyne, MD.
Dr. Delos Santos' papers by year, 2011 to 2024
Topics Dr. Delos Santos writes about most
- Kidney Transplantation
- Cardiovascular Diseases
- Immunosuppressive Agents
- Kidney Failure, Chronic
Dr. Delos Santos' most frequent co-authors
- Christina L. Klein, MD4 shared papers
- Ana P. Rossi, MD3 shared papers
- Daniel W. Coyne, MD2 shared papers
Recent publications by Dr. Delos Santos
Pharmacotherapy
See who Dr. Delos Santos researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Delos Santos works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rowena Bayudan Delos Santos received $43,460 in industry payments from 2016 to 2025
CMS Open Payments shows 77 general payments to Dr. Delos Santos from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 34% of the total. Veloxis Pharmaceuticals, Inc. paid the most, $17,647. It also lists 4 research payments totaling $1,131 in 2017.
General payments to Dr. Delos Santos by program year, 2016 to 2025
General payments to Dr. Delos Santos by kind, 2016 to 2025
- Consulting fees$14,71834%
- Travel and lodging$11,14726%
- Speaker and faculty fees$10,52524%
- Honoraria$3,9009%
- Other$3,1697%
Companies that paid Dr. Delos Santos the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rowena Bayudan Delos Santos graduated from Creighton University School of Medicine
Dr. Delos Santos graduated from Creighton University School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rowena Bayudan Delos Santos'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| 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 Dr. Rowena Bayudan Delos Santos
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. Rowena Bayudan Delos Santos' NPI number?
Dr. Rowena Bayudan Delos Santos' NPI number is 1154448207. It was assigned on March 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Rowena Bayudan Delos Santos?
Dr. Rowena Bayudan Delos Santos is a nephrologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Rowena Bayudan Delos Santos practice?
Dr. Delos Santos practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Delos Santos also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Delos Santos' primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Delos Santos to 3 hospitals and 1 group practice or clinic.
What is Dr. Rowena Bayudan Delos Santos' office phone number?
The practice phone on file for Dr. Delos Santos is (314) 747-3000.
What is Dr. Rowena Bayudan Delos Santos' medical license number?
Dr. Delos Santos holds Missouri license 2012013845.
Which hospitals is Dr. Rowena Bayudan Delos Santos affiliated with?
Dr. Delos Santos practices at Barnes-Jewish Hospital in Saint Louis, Missouri. Dr. Delos Santos is also affiliated with Missouri Baptist Medical Center. Dmand AI links Dr. Delos Santos to 3 more hospitals.
What medical group is Dr. Rowena Bayudan Delos Santos part of?
Dr. Delos Santos is linked to WashU Medicine Psychiatry.
Does Dr. Rowena Bayudan Delos Santos accept Medicare?
Yes. CMS data shows Dr. Delos Santos billed Medicare for 1,045 services in 2024, and Dr. Delos Santos accepts Medicare assignment.
Does Dr. Rowena Bayudan Delos Santos offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Delos Santos as offering telehealth services.
What is Dr. Rowena Bayudan Delos Santos' MIPS score?
Dr. Delos Santos' MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Rowena Bayudan Delos Santos see?
CMS counts 372 Medicare patients who saw Dr. Delos Santos in 2024, with an average age of 61.
What services does Dr. Rowena Bayudan Delos Santos bill to Medicare?
In 2024, Dr. Delos Santos' most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99215) and hospital inpatient care (99232).
Where did Dr. Rowena Bayudan Delos Santos go to medical school?
Dr. Delos Santos graduated from Creighton University School of Medicine in 2004.
What drugs does Dr. Rowena Bayudan Delos Santos prescribe most?
In 2024 Medicare Part D data, Dr. Delos Santos' most prescribed drugs by claims were Prednisone, Atorvastatin Calcium and Sulfamethoxazole-Trimethoprim.
Has Dr. Rowena Bayudan Delos Santos received payments from drug or device companies?
CMS Open Payments shows $43,460 in general payments to Dr. Delos Santos from 16 companies from 2016 to 2025. The largest total came from Veloxis Pharmaceuticals, Inc.
How long has Dr. Rowena Bayudan Delos Santos been practicing?
Dr. Delos Santos graduated from medical school in 2004, 22 years ago.
Does Dr. Rowena Bayudan Delos Santos do research?
Dmand AI links 13 publications to Dr. Delos Santos, published from 2011 to 2024.
Who does Dr. Rowena Bayudan Delos Santos publish with?
Dr. Delos Santos' most frequent co-authors are Christina L. Klein, MD (4 shared papers), Ana P. Rossi, MD (3 shared papers) and Daniel W. Coyne, MD (2 shared papers).
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