Rowena Santos, MD
Internal Medicine Physician · Saint Louis, MO
Rowena Santos, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1700942224, issued on Dec 29, 2006. Check the license (Missouri 2006039232, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Rowena Santos
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2006039232 MO
Self-reported in NPPES; status is on the state search - Practice location
- 5034 Griffin RD, Saint Louis, MO 63128
- Phone
- (314) 843-7333
- Enumerated
- Dec 29, 2006
- Record last updated
- Apr 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (314) 843-9946
- Medicaid ID
- 208324202 MO
- Medicare enrollment
- Enrolled (PECOS I20070222000009); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 5034 Griffin RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Curt Calcaterra, M.D.Internal Medicine Physician1205827557
- Kathleen Cizek, M.D.Internal Medicine Physician1083605331
- Marissa Digregorio, DNP, AGNPAdult Health Nurse Practitioner1700561321
- James Ebel, M.D.Internal Medicine Physician1174504146
- Christopher Espana, M.D.Family Medicine Physician1003922634
- Robert Geekie, M.D.Internal Medicine Physician1528059730
Verify Rowena Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2006039232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average internal medicine physician in 2024
10,724 Medicare Part D claims for 765 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 566 claims were for opioids.
Most prescribed
- Atorvastatin Calcium574 claims
- Lisinopril489 claims
- Amlodipine Besylate450 claims
- Levothyroxine Sodium387 claims
- Losartan Potassium367 claims
- Omeprazole282 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.
Industry payments in 2024: $201.13
10 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- American Multispecialty Group IncSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rowena Santos among 2,604 internal medicine physician records in Missouri
Rowena Santos, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2001 · median 2006 among the 1,443 with a school on file
- Record last updated2018 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Saint Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christopher Bowe, MDSaint Louis, MO 631281003816976
- Curt Calcaterra, M.D.Saint Louis, MO 631281205827557
- Kathleen Cizek, M.D.Saint Louis, MO 631281083605331
- Robert Curtin, MDSaint Louis, MO 631281538169495
- James Ebel, M.D.Saint Louis, MO 631281174504146
- Michael Fedak, M.D.Saint Louis, MO 631281174514384
- Patrick Garrett, M.D.Saint Louis, MO 631281669466629
- Robert Geekie, M.D.Saint Louis, MO 631281528059730
Common questions
What is Rowena Santos, MD's NPI number?
Rowena Santos, MD's National Provider Identifier (NPI) is 1700942224, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rowena Santos, MD located?
The NPPES record lists a practice address at 5034 Griffin RD, Saint Louis, MO, 63128. Phone: (314) 843-7333. Providers update this record themselves, so call before visiting.
How can I verify Rowena Santos, MD's license?
NPPES lists Missouri license number 2006039232, 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 Santos, MD prescribe under Medicare Part D?
In 2024, Rowena Santos, MD had 10,724 Medicare Part D claims for 765 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.