What is Gary Hahn's NPI number?

Gary Hahn's National Provider Identifier (NPI) is 1336122985, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gary Hahn's specialty?

Gary Hahn is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).

Where is Gary Hahn located?

Gary Hahn's practice location on file with NPPES is 283 Commack Road, Commack, NY 11725-3400.

What is Gary Hahn's phone number?

The practice phone number listed in the NPPES registry for Gary Hahn is (631) 462-2300.

Is Gary Hahn's NPI active?

Yes — Gary Hahn's NPI (1336122985) is active in the NPPES registry as of the last update on 2013-08-30.

IndividualActive

Gary Hahn, M.D.

NPI 1336122985 · Dermatology Physician · Commack, NY

Gary Hahn, M.D. is a Dermatology Physician provider in Commack, NY (NPI 1336122985).

Provider details

NPI number: 1336122985
Entity type: Individual
Primary specialty: Dermatology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 142516 (NY)

Specialties & taxonomies

Dermatology PhysicianPrimary207N00000XLicense 142516 (NY)
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
20 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

283 Commack Road

Suite 115

Commack, NY 11725-3400

Phone: (631) 462-2300

Fax: (631) 462-0159

Street-level locationGet directions

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Mailing address