DR. LESLIE MARK MD
NPI 1356979546
Psychiatry & Neurology - Psychiatry in Middletown, NY

Active since April 01, 2020PECOS EnrolledAccepts Medicare Assignment
707 E MAIN ST, MIDDLETOWN, NY 10940(845) 333-7373(845) 333-7342 Get Directions Write a Review

NPPES record last updated: June 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 18, 2025, Jul 2, 2021, Apr 1, 2020 (3 updates tracked since 2020).

About Dr. Leslie Mark Md NPPES

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

DR. LESLIE MARK MD (NPI 1356979546) is an individual psychiatry provider in Middletown, New York, licensed in New York (328783) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1356979546
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. LESLIE MARKCredential: MD
Location Address707 E MAIN STMiddletown, NY 10940-2650
Mailing Address707 E Main StMiddletown, NY 10940-2650 · (845) 333-7373 · Fax (845) 333-7342
Fax(845) 333-7342
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 1, 2020
Last NPPES UpdateJune 18, 20253 updates tracked since enumeration
NPPES CertifiedJune 18, 2025
NPI 1356979546 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 · 328783
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.
707 E MAIN ST, Middletown, NY 10940

Secondary Practice Locations 2

Location 1100 Madison AveMorristown, NJ 07960-6136 · Phone (973) 971-5000
Location 299 Beauvoir AveSummit, NJ 07901-3533 · Phone (908) 522-2000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Leslie Mark Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658883756
PECOS Enrollment IDI20250624003843
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330101
Location525 East 68th StreetNew York, NY 10065 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10940 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
$187.05 typical visit price
range $61.88 – $187.05
Typical copayment $46.76 (range $15.47 – $46.76)
Most-billed visit code 99205
Established Patient
$76.88 typical visit price
range $19.92 – $151.94
Typical copayment $19.22 (range $4.98 – $37.98)
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.

Surgery (Surgical Critical Care)
707 E MAIN ST
MIDDLETOWN, NY 10940
Internal Medicine (Pulmonary Disease)
707 E MAIN ST
MIDDLETOWN, NY 10940
Emergency Medicine
707 E MAIN ST
MIDDLETOWN, NY 10940
Student in an Organized Health Care Education/Training Program
707 E MAIN ST
MIDDLETOWN, NY 10940
Dietitian, Registered
707 E MAIN ST
MIDDLETOWN, NY 10940
Physician Assistant (Medical)
707 E MAIN ST
MIDDLETOWN, NY 10940
Radiology (Radiation Oncology)
707 E MAIN ST
MIDDLETOWN, NY 10940
Student in an Organized Health Care Education/Training Program
707 E MAIN ST
MIDDLETOWN, NY 10940

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 Leslie Mark's NPI number?

The NPI number for Leslie Mark is 1356979546. It was assigned to this individual provider in the NPPES registry on April 1, 2020.

Where is Leslie Mark located?

Leslie Mark practices at 707 E Main St, Middletown, NY 10940. The listed phone number is (845) 333-7373.

What is Leslie Mark's specialty?

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

Is Leslie Mark enrolled in Medicare?

Yes. Leslie Mark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Leslie Mark affiliated with any hospitals?

According to CMS data, Leslie Mark is affiliated with New York-Presbyterian Hospital.

When was this NPI record last updated?

The NPPES record for Leslie Mark was last updated on June 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.