What is Nathaniel Ratnasamy's background?

Dr. Ratnasamy graduated from University of North Dakota School of Medicine in 1989 and has over 37 years in internal medicine. Dr. Ratnasamy works within a group practice.

Does Nathaniel Ratnasamy take Medicare?

Dr. Ratnasamy has a Medicare provider ID. Contact the office to confirm enrollment and other coverage.

How do I reach Nathaniel Ratnasamy's office?

1818 Chapel Dr Ste C, Findlay, OH 45840. Phone: (419) 429-7637. Fax: (419) 429-7641. Virtual visits are also available for patients who prefer remote care.

How does a virtual visit with Dr. Ratnasamy work?

Dr. Ratnasamy's office sends a secure video link before your appointment. You can join from any device with a camera — phone, tablet, or laptop. Most visits take 15–30 minutes. See the telehealth section above for what to prepare.

Nathaniel A. J. Ratnasamy, M. D.

Infectious Disease Internal Medicine

Internal Medicine

(419) 429-7637Findlay, OH

Telehealth Available

NPI Active per CMS — Q2 2026

Telehealth Available NPI Active per CMS — Q2 2026

Nathaniel Ratnasamy, M. D. practices as part of a group infectious disease specialist practice in Findlay, OH. He graduated from University of North Dakota School of Medicine in 1989 and has 37+ years of clinical experience. Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, and more.

1 of 97 Internal Medicine providers in OHSee all Internal Medicine in Findlay|37+ years experience|NPI since 2005

Data updated 2018-07-11 on CMS NPPES

Contact & Location

Practice Location

1818 Chapel Dr Ste C, Findlay, OH 45840

(419) 429-7637

Fax: (419) 429-7641

Patient Reviews

No patient reviews yet. If you've seen Nathaniel Ratnasamy, your feedback helps other patients.

Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →

Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal Medicine Infectious Disease in FindlayAllopathic & Osteopathic Physicians

Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, antibiotic-resistant infections (MRSA), post-surgical infections, and travel-related illnesses. They also provide pre-travel vaccination counseling and manage infections in immunocompromised patients.

Taxonomy: 207RI0200X

Education & Training

University of North Dakota School of Medicine (Class of 1989)

Virtual Infectious Disease Care With Nathaniel Ratnasamy

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Nathaniel Ratnasamy for follow-ups, medication reviews, and ongoing care — no travel to Findlay required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Nathaniel Ratnasamy

NPI records show Dr. Ratnasamy as active with telehealth listed in Findlay, OH. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (419) 429-7637.

Is this your profile?

Verify credentials, update practice details, and manage telehealth.

Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

About NPI Telehealth Data Methodology Editorial Policy Report Inaccuracy