What is Sinan Ersan's NPI number?

Sinan Ersan's National Provider Identifier (NPI) is 1821920315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sinan Ersan's specialty?

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

Where is Sinan Ersan located?

Sinan Ersan's practice location on file with NPPES is 167 Ashley Ave, Charleston, SC 29425-8905.

What is Sinan Ersan's phone number?

The practice phone number listed in the NPPES registry for Sinan Ersan is (843) 792-8864.

Is Sinan Ersan's NPI active?

Yes — Sinan Ersan's NPI (1821920315) is active in the NPPES registry as of the last update on 2026-06-01.

IndividualActive

Sinan Ersan, MD

NPI 1821920315 · Ophthalmology Physician · Charleston, SC

Sinan Ersan, MD is a Ophthalmology Physician provider in Charleston, SC (NPI 1821920315).

Provider details

NPI number: 1821920315
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: LL97009 (SC)

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense LL97009 (SC)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(52/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

167 Ashley Ave

Charleston, SC 29425-8905

Phone: (843) 792-8864

Street-level locationGet directions

More SC providers

Mailing address

169 Ashley Ave Rm 202