Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Marvin Sinsakul, M.D.
Nephrology Physician in Chicago, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1073620936
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Registry record
Entity type Individual (Type 1)
Name Dr. Marvin Sinsakul
Credential M.D.
Sex Male
Practice address 1426 W Washington Blvd, Chicago, IL, 60607
Phone (312) 829-1424
Fax (312) 850-8431
Enumeration date Aug 24, 2006
Last updated in NPPES Sep 25, 2012
Taxonomy & licenses
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 036099895 (IL) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01615381 | Other | IL | BC/BS ID NUMBER |
| 390008272 | Other | GA | RAILROAD MEDICARE |
| 036099895 | Medicaid | IL | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Marvin Sinsakul?
The National Provider Identifier (NPI) for Marvin Sinsakul is 1073620936, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marvin Sinsakul practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Circle Medical Management, Inc. Specialist · Chicago, IL NPI 1184636516 Roger Rodby Nephrology Physician · Chicago, IL NPI 1043327927 Edmund J Lewis Specialist · Chicago, IL NPI 1306900386 Karen Rezabek Registered Dietitian · Chicago, IL NPI 1902015605 Jennifer Lazor Nephrology Physician · Chicago, IL NPI 1346515871 Ahmed Siddiqui Nephrology Physician · Chicago, IL NPI 1235584541 Chaudhry Hamood Dhillon Nephrology Physician · Chicago, IL NPI 1306331277 Srs-Chicago Circle, LLC End-Stage Renal Disease (ESRD) Treatment Clinic/Center · Chicago, IL NPI 1497402770
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-25.