Marilyn J. Sincaban, MD
Geriatric Medicine (Internal Medicine) Physician · Milwaukee, WI
Marilyn J. Sincaban, MD is a geriatric medicine (internal medicine) physician with a practice address in Milwaukee, Wisconsin, and NPI 1861582215, issued on Oct 14, 2006. Check the license (Wisconsin 37168, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marilyn J. Sincaban
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 37168 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1555 S Layton Blvd, Milwaukee, WI 53215
- Phone
- (414) 385-6600
- Enumerated
- Oct 14, 2006
- Record last updated
- Oct 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 110 in Wisconsin → Look up another NPI →
Also registered at 1555 S Layton Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olajumoke Aderugbo, MSWSocial Worker1528316916
- Michelle BarnstableOccupational Therapist1376891747
- Jessica Berger-Martinez, APSWClinical Social Worker1295083707
- Catherine Binon, LPNLicensed Practical Nurse1164773974
- Lesley Boaz, APNPFamily Nurse Practitioner1932275518
- Adam Eckes, APSWClinical Social Worker1134477649
Verify Marilyn J. Sincaban in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37168Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
13 Medicare Part D claims for 11 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
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.
Marilyn J. Sincaban among 110 geriatric medicine (internal medicine) physician records in Wisconsin
Marilyn J. Sincaban, MD is one of 110 geriatric medicine (internal medicine) physician records with a practice address in Wisconsin. 76% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 46% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2011 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Wisconsin
There are 110 geriatric medicine (internal medicine) physician records in Wisconsin.
All 110 in Wisconsin → Every provider in Milwaukee → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Pablo Colon Nieves, MDMilwaukee, WI 532151376794362
- Jonny Macias Tejada, M.D.Milwaukee, WI 532151508075409
- Tyler Steward, M.D.Milwaukee, WI 532151205991254
- Katie Hausmann, M.D.West Allis, WI 532141952544702
- Kalluru Vijayabhanu, MDMilwaukee, WI 532161144310475
- Richard Thiede, M.D.Milwaukee, WI 532111154421865
- Laura Iglesias Lino, M.D.Milwaukee, WI 532081992933618
- Angela Beckert, M.D.Milwaukee, WI 532261831485333
Common questions
What is Marilyn J. Sincaban, MD's NPI number?
Marilyn J. Sincaban, MD's National Provider Identifier (NPI) is 1861582215, issued on Oct 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn J. Sincaban, MD located?
The NPPES record lists a practice address at 1555 S Layton Blvd, Milwaukee, WI, 53215. Phone: (414) 385-6600. Providers update this record themselves, so call before visiting.
How can I verify Marilyn J. Sincaban, MD's license?
NPPES lists Wisconsin license number 37168, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marilyn J. Sincaban, MD prescribe under Medicare Part D?
In 2024, Marilyn J. Sincaban, MD had 13 Medicare Part D claims for 11 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.