What is Merrill Knopf's NPI number?

Merrill Knopf's National Provider Identifier (NPI) is 1841294733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Merrill Knopf's specialty?

Merrill Knopf is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is Merrill Knopf located?

Merrill Knopf's practice location on file with NPPES is 1045 Atlantic Ave, Long Beach, CA 90813-3413.

What is Merrill Knopf's phone number?

The practice phone number listed in the NPPES registry for Merrill Knopf is (562) 436-4558.

Is Merrill Knopf's NPI active?

Yes — Merrill Knopf's NPI (1841294733) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Merrill Knopf, M.D.

NPI 1841294733 · Ophthalmology Physician · Long Beach, CA

Merrill Knopf, M.D. is a Ophthalmology Physician provider in Long Beach, CA (NPI 1841294733).

Provider details

NPI number: 1841294733
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
License: G16139 (CA)

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense G16139 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
21 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1045 Atlantic Ave

Ste 1007

Long Beach, CA 90813-3413

Phone: (562) 436-4558

Fax: (562) 437-4558

Street-level locationGet directions

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Mailing address