Natarajan Sundaram, MD
Geriatric Medicine (Internal Medicine) Physician · Columbus, OH
Natarajan Sundaram, MD is a geriatric medicine (internal medicine) physician with a practice address in Columbus, Ohio, and NPI 1861580110, issued on Oct 11, 2006. Check the license (Ohio 3507233, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Natarajan Sundaram
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 3507233 OH
Self-reported in NPPES; status is on the state search - Practice location
- 6096 E Main St Suite 105, Columbus, OH 43213
- Phone
- (614) 458-1095
- Enumerated
- Oct 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (614) 367-7060
- Medicaid ID
- 2096771 OH
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 132 in Ohio → Look up another NPI →
Verify Natarajan Sundaram in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 3507233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
49 Medicare Part D claims for 12 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.
Natarajan Sundaram among 132 geriatric medicine (internal medicine) physician records in Ohio
Natarajan Sundaram, MD is one of 132 geriatric medicine (internal medicine) physician records with a practice address in Ohio. 70% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 33% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2007 · 75% 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 Ohio 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 Ohio
There are 132 geriatric medicine (internal medicine) physician records in Ohio.
All 132 in Ohio → Every provider in Columbus → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Lakshmi Rangaswamy, D.O.Columbus, OH 432141962745984
- Gokulan Ratnarajah, MDColumbus, OH 432141194981308
- Marian Schuda, MDColumbus, OH 432141265421531
- Kathleen Hager, D.O.Columbus, OH 432151255779393
- Ishrat Jahan, MBBSColumbus, OH 432151982976247
- Karen Kirkham, MDColumbus, OH 432151609832484
- Mark Montoney, M.D.Columbus, OH 432151801942867
- Meredith Mucha, MDColumbus, OH 432151962449777
Common questions
What is Natarajan Sundaram, MD's NPI number?
Natarajan Sundaram, MD's National Provider Identifier (NPI) is 1861580110, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Natarajan Sundaram, MD located?
The NPPES record lists a practice address at 6096 E Main St Suite 105, Columbus, OH, 43213. Phone: (614) 458-1095. Providers update this record themselves, so call before visiting.
How can I verify Natarajan Sundaram, MD's license?
NPPES lists Ohio license number 3507233, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Natarajan Sundaram, MD prescribe under Medicare Part D?
In 2024, Natarajan Sundaram, MD had 49 Medicare Part D claims for 12 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.