NPPES file of Aug 9, 2026

Rowena Bayudan Delos Santos, MD

Nephrology Physician · Saint Louis, MO

Rowena Bayudan Delos Santos, MD is a nephrology physician with a practice address in Saint Louis, Missouri, and NPI 1154448207, issued on Mar 23, 2007. Check the license (Missouri 2012013845, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154448207
Name
Rowena Bayudan Delos Santos
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
2012013845 MO
Self-reported in NPPES; status is on the state search
Practice location
4921 Parkview PL, Saint Louis, MO 63110
Phone
(314) 362-7603
Enumerated
Mar 23, 2007
Record last updated
Apr 17, 2025
Fax
(314) 747-5213
Medicaid ID
209849306 MO
Medicare enrollment
Enrolled (PECOS I20121002000409); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 2004
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4921 Parkview PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mohammed Abbasi, MDPulmonary Disease Physician1497097083
  2. Helen Adams, AGNPGerontology Nurse Practitioner1730836776
  3. Muyibat Adelani, MDAdult Reconstructive Orthopaedic Surgery Physician1396908042
  4. Foluso Ademuyiwa, MDMedical Oncology Physician1083875538
  5. Syed Adil, MDAdult Reconstructive Orthopaedic Surgery Physician1467942953
  6. Homaa Ahmad, MDCardiovascular Disease Physician1477635092

Verify Rowena Bayudan Delos Santos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2012013845
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

4.8 times the Medicare Part D claims of the average nephrology physician in 2024

7,021 Medicare Part D claims for 760 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Rowena Delos Santos7,021
  2. Specialty average1,465

Most prescribed

  1. Prednisone928 claims
  2. Atorvastatin Calcium691 claims
  3. Sulfamethoxazole-Trimethoprim523 claims
  4. Amlodipine Besylate513 claims
  5. Carvedilol485 claims
  6. Famotidine446 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score71.5
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,821.71

7 payments; by number, the most common kind was food and beverage; the largest payer was Calliditas Therapeutics US Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Rowena Delos Santos$2,821.71
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Washington UniversitySaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rowena Bayudan Delos Santos among 285 nephrology physician records in Missouri

Rowena Bayudan Delos Santos, MD is one of 285 nephrology physician records with a practice address in Missouri. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.

  • NPI issued2007 · 52% of these records are older, 39% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2004 · median 2000 among the 212 with a school on file
  • Record last updated2025 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Missouri

There are 285 nephrology physician records in Missouri.

The 8 nephrology physician records with the nearest ZIP codes

  1. Alejandro Alvarez, MDSaint Louis, MO 631101508846304
  2. Steven Cheng, MDSaint Louis, MO 631101154349611
  3. Daniel Coyne, MDSaint Louis, MO 631101427074749
  4. James Delmez, MDSaint Louis, MO 631101306862537
  5. Decha Enkvetchakul, MDSaint Louis, MO 631101205852514
  6. Andreas Herrlich, MDSaint Louis, MO 631101770567414
  7. Benjamin Humphreys, MDSaint Louis, MO 631101497798169
  8. Tingting Li, MDSaint Louis, MO 631101831154053

Common questions

What is Rowena Bayudan Delos Santos, MD's NPI number?

Rowena Bayudan Delos Santos, MD's National Provider Identifier (NPI) is 1154448207, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Rowena Bayudan Delos Santos, MD located?

The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 362-7603. Providers update this record themselves, so call before visiting.

How can I verify Rowena Bayudan Delos Santos, MD's license?

NPPES lists Missouri license number 2012013845, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Rowena Bayudan Delos Santos, MD prescribe under Medicare Part D?

In 2024, Rowena Bayudan Delos Santos, MD had 7,021 Medicare Part D claims for 760 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Rowena Bayudan Delos Santos, MD's MIPS final score?

The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.