Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Merrill M Knopf, MD

Individual provider Ophthalmology Physician · NPI 1841294733

Merrill M Knopf, MD is an Ophthalmology Physician in Long Beach, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1045 Atlantic Ave Ste 1007
Long Beach, CA 90813-3413
Phone: (562) 436-4558
Fax: (562) 437-4558
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence G16139 (CA)

Record details

NPI number1841294733
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 8, 2005
Last updated in NPPESJuly 13, 2026
Mailing address1045 Atlantic Ave, Ste 1007, Long Beach, CA 90813-3413

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