What is Robert Sieffert's NPI number?

Robert Sieffert's National Provider Identifier (NPI) is 1598858672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robert Sieffert's specialty?

Robert Sieffert is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Robert Sieffert located?

Robert Sieffert's practice location on file with NPPES is 522 College Ave, Clemson, SC 29631-1443.

What is Robert Sieffert's phone number?

The practice phone number listed in the NPPES registry for Robert Sieffert is (864) 654-3685.

Is Robert Sieffert's NPI active?

Yes — Robert Sieffert's NPI (1598858672) is active in the NPPES registry as of the last update on 2008-04-14.

IndividualActive

Robert Sieffert, O.D.

NPI 1598858672 · Optometrist · Clemson, SC

Robert Sieffert, O.D. is a Optometrist provider in Clemson, SC (NPI 1598858672).

Provider details

NPI number: 1598858672
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: Yes
License: 525 (SC)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 525 (SC)
Eye and Vision Services Providers

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 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

522 College Ave

Clemson, SC 29631-1443

Phone: (864) 654-3685

Fax: (864) 654-3695

Street-level locationGet directions

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Mailing address