Alison Deforest Sjahrial MD
Also known as
- Formerly known asDeforest, Alison Lyn
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1154900843 is registered to Alison Deforest Sjahrial MD, a Obstetrics & Gynecology practising at 1809 National Ave in San Diego, California. Obstetricians and Gynecologists (OB/GYNs) provide medical and surgical care for the female reproductive system, including pregnancy, childbirth, and gynecologic conditions. Alison Deforest Sjahrial MD has been enumerated in the National Provider Identifier (NPI) registry since 2021.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20250630001225Obstetrics/GynecologyCA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Alison Deforest Sjahrial MD accepts. To confirm in-network status with your specific health plan, contact Alison Deforest Sjahrial MD directly at (619) 515-2300.
Frequently asked
Yes. NPI 1154900843 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Obstetricians and Gynecologists (OB/GYNs) provide medical and surgical care for the female reproductive system, including pregnancy, childbirth, and gynecologic conditions.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (619) 515-2300.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Alison Deforest Sjahrial MD is a Type-1 individual NPI.