HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

NATHANIEL MONTGOMERY FLEISCHER, DO

FAMILY PRACTICE

Graduated: 2019

Offers telehealth

NPI: 1063973352

Practice Locations (2)

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

3955 BONITA RD

BONITA, CA 919021230

6195285000

SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP

4647 ZION AVE

SAN DIEGO, CA 921202507

6195285000

Source: CMS National Downloadable File, September 2026.

NATHANIEL FLEISCHER, DO | HealthCareAtlasUSA