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DR. KAREN ASHBY MATHEWSON MD
NPI 1407054562
Psychiatry & Neurology - Psychiatry in New York, NY

Active since July 10, 2007PECOS Enrolled
462 1ST AVE, NBV 20N11, NEW YORK, NY 10016(212) 562-4742 Get Directions Write a Review

NPPES record last updated: July 10, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Karen Ashby Mathewson Md NPPES

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

DR. KAREN ASHBY MATHEWSON MD (NPI 1407054562) is an individual psychiatry provider in New York, New York, licensed in New York (243439) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407054562
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. KAREN ASHBY MATHEWSONCredential: MD
Location Address462 1ST AVE, NBV 20N11New York, NY 10016-9196
Mailing Address462 1st Ave, Nbv 20n11New York, NY 10016-9196
Phone(212) 562-4742
Sole ProprietorYes
Enumeration DateJuly 10, 2007
✔ NPI 1407054562 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NY · 243439
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.
462 1ST AVE, New York, NY 10016
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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. Karen Ashby Mathewson Md 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 10016 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
$198.19 typical visit price
range $65.69 – $198.19
Typical copayment $49.54 (range $16.42 – $49.54)
Most-billed visit code 99205
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
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.

DR. ROBERT MICHAEL LEMBO MD
Pediatrics (Hospice and Palliative Medicine)
462 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-6425
MISS SHARONA DEBORAH KASHIMALLAK RPA-C
Physician Assistant (Medical)
462 1ST AVE
NEW YORK, NY 10016
New York County (516) 578-9951
ALEXANDRA KVERNLAND MD
Psychiatry & Neurology (Vascular Neurology)
462 1ST AVE
NEW YORK, NY 10016
New York County (212) 562-4141
RACHEL ZOE BAUMSTEIN DPT
Physical Therapist
462 1ST AVE, BELLEVUE HOSPITAL CENTER
NEW YORK, NY 10016
New York County (212) 562-7059
ALIXANDRA LIN PETERSEN DPT
Physical Therapist
462 1ST AVE
NEW YORK, NY 10016
New York County (212) 562-7059
ABIGAIL LLOYD
Social Worker
462 1ST AVE
NEW YORK, NY 10016
New York County (212) 562-4141
TALYA BUXBAUM
Physician Assistant
462 1ST AVE
NEW YORK, NY 10016
New York County (516) 309-3239
MR. ALEX DASILVA NURSE PRACTITIONER
Nurse Practitioner (Psychiatric/Mental Health)
462 1ST AVE
NEW YORK, NY 10016
New York County (646) 236-0823

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 Karen Mathewson's NPI number?

The NPI number for Karen Mathewson is 1407054562. It was assigned to this individual provider in the NPPES registry on July 10, 2007.

Where is Karen Mathewson located?

Karen Mathewson practices at 462 1st Ave Nbv 20n11, New York, NY 10016. The listed phone number is (212) 562-4742.

What is Karen Mathewson's specialty?

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

Is Karen Mathewson enrolled in Medicare?

Yes. Karen Mathewson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Mathewson was last updated on July 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.