Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOHN HENRY GEAGER D.D.S.
NPI 1821083353
Dentist - General Practice in Williston Park, NY

Q: What is John Geager's NPI number?

The NPI number for John Geager is 1821083353. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Q: What is John Geager's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for John Geager was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.

Active since September 12, 2005PECOS Enrolled

653 WILLIS AVE, WILLISTON PARK, NY 11596(516) 248-2116 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. John Henry Geager D.d.s. NPPES

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

DR. JOHN HENRY GEAGER D.D.S. (NPI 1821083353) is an individual general practice provider in Williston Park, New York, licensed in New York (035886) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821083353

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. JOHN HENRY GEAGERCredential: D.D.S.

Location Address653 WILLIS AVEWilliston Park, NY 11596-1101

Mailing Address653 Willis AveWilliston Park, NY 11596-1101 · (516) 248-2116

Phone(516) 248-2116

Sole ProprietorNo

Enumeration DateSeptember 12, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1821083353 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in NY · 035886

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

653 WILLIS AVE, Williston Park, NY 11596

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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)

Dr. John Henry Geager D.d.s. 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 11596 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.

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 John Geager's NPI number?

The NPI number for John Geager is 1821083353. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Where is John Geager located?

John Geager practices at 653 Willis Ave, Williston Park, NY 11596. The listed phone number is (516) 248-2116.

What is John Geager's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is John Geager enrolled in Medicare?

Yes. John Geager is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Geager was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.