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DR. WALKER DANIEL KEENAN MD
NPI 1841797313
Psychiatry & Neurology - Psychiatry in New York, NY

Active since April 10, 2018PECOS Enrolled
2121 7TH AVE APT 8C, NEW YORK, NY 10027(781) 534-8190 Get Directions Write a Review

NPPES record last updated: July 17, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 17, 2023, Apr 10, 2018 (2 updates tracked since 2018).

About Dr. Walker Daniel Keenan Md NPPES

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

DR. WALKER DANIEL KEENAN MD (NPI 1841797313) is an individual psychiatry provider in New York, New York, licensed in New York (310763) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841797313
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. WALKER DANIEL KEENANCredential: MD
Location Address2121 7TH AVE APT 8CNew York, NY 10027-4473
Mailing Address300 George St Ste 901New Haven, CT 06511-6662 · (203) 785-2095
Phone(781) 534-8190
Sole ProprietorYes
Enumeration DateApril 10, 2018
Last NPPES UpdateJuly 17, 20232 updates tracked since enumeration
NPPES CertifiedJuly 12, 2023
✔ NPI 1841797313 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 · 310763
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 310763 (NY)
2121 7TH AVE APT 8C, New York, NY 10027
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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. Walker Daniel Keenan 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 10027 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.

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 Walker Keenan's NPI number?

The NPI number for Walker Keenan is 1841797313. It was assigned to this individual provider in the NPPES registry on April 10, 2018.

Where is Walker Keenan located?

Walker Keenan practices at 2121 7th Ave Apt 8C, New York, NY 10027. The listed phone number is (781) 534-8190.

What is Walker Keenan's specialty?

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

Is Walker Keenan enrolled in Medicare?

Yes. Walker Keenan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Walker Keenan was last updated on July 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.