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MR. GARY M HAHN M.D.
NPI 1336122985
Dermatology in Commack, NY

Active since November 28, 2005PECOS Enrolled
283 COMMACK ROAD, SUITE 115, COMMACK, NY 11725(631) 462-2300(631) 462-0159 Get Directions Write a Review

NPPES record last updated: August 30, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Gary M Hahn M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. GARY M HAHN M.D. (NPI 1336122985) is an individual dermatology provider in Commack, New York, licensed in New York (142516) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336122985
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameMR. GARY M HAHNCredential: M.D.
Location Address283 COMMACK ROAD, SUITE 115Commack, NY 11725-3400
Mailing Address283 Commack Road, Suite 115Commack, NY 11725-3400 · (631) 462-2300 · Fax (631) 462-0159
Phone(631) 462-2300
Fax(631) 462-0159
Sole ProprietorYes
Enumeration DateNovember 28, 2005
Last NPPES UpdateAugust 30, 2013
✔ NPI 1336122985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in NY · 142516
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
283 COMMACK ROAD, Commack, NY 11725
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Gary M Hahn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11725 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ACE CLINICAL LABORATORY, INC
Clinical Medical Laboratory
283 COMMACK ROAD, SUITE 204
COMMACK, NY 11725
Suffolk County (631) 462-4400
MS. VELMA GRACE DOVE LCSW
Social Worker (Clinical)
283 COMMACK ROAD, SUITE 125
COMMACK, NY 11725
Suffolk County (631) 421-2547
PAUL S BERGER M.D.
Internal Medicine
283 COMMACK ROAD
COMMACK, NY 11725
Suffolk County (631) 499-2226

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gary Hahn's NPI number?

The NPI number for Gary Hahn is 1336122985. It was assigned to this individual provider in the NPPES registry on November 28, 2005.

Where is Gary Hahn located?

Gary Hahn practices at 283 Commack Road Suite 115, Commack, NY 11725. The listed phone number is (631) 462-2300.

What is Gary Hahn's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Gary Hahn enrolled in Medicare?

Yes. Gary Hahn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gary Hahn was last updated on August 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.