What is William Sommer's NPI number?

William Sommer's National Provider Identifier (NPI) is 1811047988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Sommer's specialty?

William Sommer is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is William Sommer located?

William Sommer's practice location on file with NPPES is 9 W 10th St, New York, NY 10011-8748.

What is William Sommer's phone number?

The practice phone number listed in the NPPES registry for William Sommer is (212) 260-0999.

Is William Sommer's NPI active?

Yes — William Sommer's NPI (1811047988) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William Sommer

NPI 1811047988 · Psychiatry Physician · New York, NY

William Sommer is a Psychiatry Physician provider in New York, NY (NPI 1811047988).

Provider details

NPI number: 1811047988
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: Yes
License: 103506 (NY)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense 103506 (NY)
Allopathic & Osteopathic Physicians

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

9 W 10th St

2nd Fl

New York, NY 10011-8748

Phone: (212) 260-0999

Street-level locationGet directions

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Mailing address