Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sundar Ramanathan, M.D.
Nephrology Physician in Flint, MI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629105234
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Registry record
Entity type Individual (Type 1)
Name Sundar Ramanathan
Credential M.D.
Sex Male
Practice address 5080 Villa Linde Pkwy, Suite 2, Flint, MI, 48532
Phone (810) 720-0162
Fax (810) 720-0301
Enumeration date Feb 28, 2007
Last updated in NPPES Jul 2, 2008
Taxonomy & licenses
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 4301083236 (MI) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
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 Sundar Ramanathan?
The National Provider Identifier (NPI) for Sundar Ramanathan is 1629105234, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sundar Ramanathan practice?
The practice location on file with NPPES is in Flint, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Jagdish Mirchandani Nephrology Physician · Flint, MI NPI 1710940853 Nabil Zaki Nephrology Physician · Flint, MI NPI 1447213285 Mid-Michigan Kidney and Hypertension Specialists, P.C. Nephrology Physician · Flint, MI NPI 1649224627 Mohamad Khoulani Hematology & Oncology Physician · Flint, MI NPI 1003852856 Renal Nutrition Consultants Inc. Renal Nutrition Registered Dietitian · Flint, MI NPI 1932389749 M M Khoulani MD PC Hematology & Oncology Physician · Flint, MI NPI 1699956938
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-02.