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Physician Profile

Daniel A. Greninger, M.D.

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At a glance

About Dr. Greninger

Based in Antioch, CA, Daniel A. Greninger, M.D. is listed in the NPI registry under ophthalmology. Daniel graduated from Js Weill Medical College, Cornell University in 2008. NPI 1861666059 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Ophthalmology (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 109166CurrentExpires Jun 2027Since 2009
OR licenceAs reported to the NPI registry
No. MD157095As reported
NPINational Provider Identifier
1861666059Issued 2008

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is Daniel A. Greninger's specialty?

Daniel A. Greninger is an eye doctor in Antioch, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.

NPI registry

Where can I find Daniel A. Greninger?

Daniel A. Greninger is listed at 4501 Sand Creek Rd, Antioch, CA 94531. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Daniel A. Greninger?

The number on file is (925) 813-3349. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Daniel A. Greninger?

Daniel A. Greninger's National Provider Identifier is 1861666059. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

What is Daniel A. Greninger's education?

Daniel A. Greninger attended Js Weill Medical College, Cornell University, graduating in 2008. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Daniel A. Greninger have?

Daniel A. Greninger has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.

CMS public data

Is Daniel A. Greninger's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Daniel A. Greninger. If this is you, claiming it is free.

Guide.md

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