What is Clifford Ratner's NPI number?

Clifford Ratner's National Provider Identifier (NPI) is 1477552248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Clifford Ratner's specialty?

Clifford Ratner is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Clifford Ratner located?

Clifford Ratner's practice location on file with NPPES is 600 Mamaroneck Ave, Harrison, NY 10528-1635.

What is Clifford Ratner's phone number?

The practice phone number listed in the NPPES registry for Clifford Ratner is (914) 381-4030.

Does Clifford Ratner accept Medicare?

Clifford Ratner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Clifford Ratner's NPI active?

Yes — Clifford Ratner's NPI (1477552248) is active in the NPPES registry as of the last update on 2017-04-07.

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Clifford Ratner, M.D.

NPI 1477552248 · Specialist · Harrison, NY

Clifford Ratner, M.D. is a Specialist provider in Harrison, NY (NPI 1477552248).

Provider details

NPI number: 1477552248
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 207W00000X (NY)

Practice location

600 Mamaroneck Ave

Suite 103

Harrison, NY 10528-1635

Phone: (914) 381-4030

Fax: (914) 381-3144

Approximate (ZIP-level) locationGet directions

More NY providers

Mailing address

600 Mamaroneck Ave

Harrison, NY 10528-1635

Specialties & taxonomies

SpecialistPrimary174400000XLicense 207W00000X (NY)
Other Service Providers
Retina Specialist (Ophthalmology) Physician207WX0107XLicense 133707 (NY)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

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.

Enumerated: 2005-07-14
Last updated: 2017-04-07

Frequently asked questions

What is Clifford Ratner's NPI number?: Clifford Ratner's National Provider Identifier (NPI) is 1477552248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Clifford Ratner's specialty?: Clifford Ratner is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
Where is Clifford Ratner located?: Clifford Ratner's practice location on file with NPPES is 600 Mamaroneck Ave, Harrison, NY 10528-1635.
What is Clifford Ratner's phone number?: The practice phone number listed in the NPPES registry for Clifford Ratner is (914) 381-4030.
Does Clifford Ratner accept Medicare?: Clifford Ratner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Clifford Ratner's NPI active?: Yes — Clifford Ratner's NPI (1477552248) is active in the NPPES registry as of the last update on 2017-04-07.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions