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JAMES STEVEN DEMER MD
NPI 1891779849
Psychiatry & Neurology - Psychiatry in Alexandria Bay, NY

Active since December 02, 2005PECOS Enrolled
4 FULLER ST, ALEXANDRIA BAY, NY 13607(315) 482-2511(315) 482-5553 Get Directions Write a Review

NPPES record last updated: January 15, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About James Steven Demer Md NPPES

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

JAMES STEVEN DEMER MD (NPI 1891779849) is an individual psychiatry provider in Alexandria Bay, New York, licensed in New York (233591-1) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1891779849
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJAMES STEVEN DEMERCredential: MD
Location Address4 FULLER STAlexandria Bay, NY 13607-1316
Mailing Address4 Fuller StAlexandria Bay, NY 13607-1316 · (315) 482-2511 · Fax (315) 482-5553
Phone(315) 482-2511
Fax(315) 482-5553
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateDecember 2, 2005
Last NPPES UpdateJanuary 15, 2016
✔ NPI 1891779849 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NY · 233591-1
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 233591-1 (NY)
4 FULLER ST, Alexandria Bay, NY 13607
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Other Identifiers 2

Medicaid01648605NY
Medicare PINRB7672NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James Steven Demer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID42318578
PECOS Enrollment IDI20070607000276
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.

Medicare Billing Reassignments

5

Medicare enrollment records show James Demer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Josephs Medical PC
85 mi
Family Medicine
5100 W TAFT RD
Liverpool, NY 13088
  • Reassigned Medicare billing, New York enrollment
  • 625 clinicians in this Medicare group
NPI 1942501747 (315) 452-2828
Liberty Resources Inc.
89 mi
Mental Health (Including Community Mental Health Center)
1045 JAMES ST
Syracuse, NY 13203
  • Reassigned Medicare billing, New York enrollment
  • 156 clinicians in this Medicare group
NPI 1225254881 (315) 425-1004
St Josephs Hospital Health Center
89 mi
General Acute Care Hospital
301 PROSPECT AVE, ADMINISTRATION
Syracuse, NY 13203
  • Reassigned Medicare billing, New York enrollment
  • 369 clinicians in this Medicare group
NPI 1508815333 (315) 448-5880
Psychiatry Faculty Practice, Inc.
90 mi
Psychiatry
713 HARRISON ST
Syracuse, NY 13210
  • Reassigned Medicare billing, New York enrollment
  • 171 clinicians in this Medicare group
NPI 1881084820 (315) 464-3119
Empire State Psychiatric Medicine PLLC
266 mi
Psychiatry
315 MADISON AVE RM 2000
New York, NY 10017
  • Reassigned Medicare billing, New York enrollment
  • 18 clinicians in this Medicare group
NPI 1245087261 (646) 661-5225

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 13607 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
$166.88 typical visit price
range $54.87 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
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 20

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

BRIAN THOMAS ZAFONTE M.D., PH.D.
Orthopaedic Surgery
4 FULLER ST
ALEXANDRIA BAY, NY 13607
Jefferson County (315) 482-1251
RIVER HOSPITAL, INC.
General Acute Care Hospital (Critical Access)
4 FULLER ST
ALEXANDRIA BAY, NY 13607
Jefferson County (315) 482-2511
MR. BRADLEY DUANE FREY PA-C
Physician Assistant
4 FULLER ST
ALEXANDRIA BAY, NY 13607
Jefferson County (315) 482-1203
DR. EVELYN ROSE VENTO M.D.
Psychiatry & Neurology (Psychiatry)
4 FULLER ST
ALEXANDRIA BAY, NY 13607
Jefferson County (315) 482-2511
CRYSTAL ROWLEY LMSW
Social Worker
4 FULLER ST
ALEXANDRIA BAY, NY 13607
Jefferson County (315) 482-1277
MRS. ERICA DENNER LCSW
Social Worker
4 FULLER ST
ALEXANDRIA BAY, NY 13607
Jefferson County (315) 482-1277
SEAWAY RADIOLOGY PC
Radiology (Diagnostic Radiology)
4 FULLER ST
ALEXANDRIA BAY, NY 13607
Jefferson County (315) 482-2511
MS. AMANDA RYDBERG PA
Physician Assistant
4 FULLER ST
ALEXANDRIA BAY, NY 13607
Jefferson County (315) 482-2511

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 James Demer's NPI number?

The NPI number for James Demer is 1891779849. It was assigned to this individual provider in the NPPES registry on December 2, 2005.

Where is James Demer located?

James Demer practices at 4 Fuller St, Alexandria Bay, NY 13607. The listed phone number is (315) 482-2511.

What is James Demer's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is James Demer enrolled in Medicare?

Yes. James Demer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for James Demer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Demer reassigns Medicare benefits to 5 organizations: St Josephs Medical PC (Liverpool, NY), Liberty Resources Inc. (Syracuse, NY), St Josephs Hospital Health Center (Syracuse, NY), Psychiatry Faculty Practice, Inc. (Syracuse, NY) and Empire State Psychiatric Medicine PLLC (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Demer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Demer accept?

Health plans from Oscar Health list James Demer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Demer was last updated on January 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.