Dr. Mark Mcallister MD
About this NPIWhat this record shows.
NPI 1669934394 is registered to Dr. Mark Mcallister MD, a Retina Specialist (Ophthalmology) Physician practising at 3 Park Center Dr Ste 100 in Sacramento, California. Retina Specialist (Ophthalmology) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Mark Mcallister MD has been enumerated in the National Provider Identifier (NPI) registry since 2019.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments 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
- I20231101000557OphthalmologyIL
- I20240814001361OphthalmologyCA
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 Dr. Mark Mcallister MD accepts. To confirm in-network status with your specific health plan, contact Dr. Mark Mcallister MD directly at (916) 454-4861.
Frequently asked
Yes. NPI 1669934394 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Retina Specialist (Ophthalmology) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (916) 454-4861.
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. Dr. Mark Mcallister MD is a Type-1 individual NPI.