1. Home
  2. Directory
  3. Connecticut
  4. Farmington
  5. Psychiatry Neurology
  6. NPI Profile

DR. MASON PETER LEEMAN-MARKOWSKI MD, PHD
NPI 1962666545
Psychiatry & Neurology - Vascular Neurology in Farmington, CT

Active since July 14, 2008PECOS EnrolledAccepts Medicare Assignment
79.34/100
CMS Quality Rating
263 FARMINGTON AVE, FARMINGTON, CT 06030(860) 679-4888(860) 679-0131 Get Directions Write a Review

NPPES record last updated: September 30, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 30, 2022, Oct 16, 2018 (2 updates tracked since 2018).

About Dr. Mason Peter Leeman-markowski Md, Phd NPPES

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

DR. MASON PETER LEEMAN-MARKOWSKI MD, PHD (NPI 1962666545) is an individual vascular neurology provider in Farmington, Connecticut, licensed in Connecticut (061354) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Stony Brook, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1962666545
Entity TypeIndividualMale
Primary Taxonomy2084V0102X
Provider Legal NameDR. MASON PETER LEEMAN-MARKOWSKICredential: MD, PHD
Location Address263 FARMINGTON AVEFarmington, CT 06030-0001
Mailing Address263 Farmington AveFarmington, CT 06030-0001 · (860) 679-4888 · Fax (860) 679-0131
Phone(860) 679-4888
Fax(860) 679-0131
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJuly 14, 2008
Last NPPES UpdateSeptember 30, 20222 updates tracked since enumeration
✔ NPI 1962666545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Vascular NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084V0102X
Licenses✔ Licensed in CT · 061354✔ Licensed in NY · 60-275372
Definition
Vascular Neurology is a subspecialty in the evaluation, prevention, treatment and recovery from vascular diseases of the nervous system. This subspecialty includes the diagnosis and treatment of vascular events of arterial or venous origin from a large number of causes that affect the brain or spinal cord such as ischemic stroke, intracranial hemorrhage, spinal cord ischemia and spinal cord hemorrhage.
Also ListedPsychiatry & Neurology · Clinical NeurophysiologyTaxonomy 2084N0600X · License 60-275372 (NY)
263 FARMINGTON AVE, Farmington, CT 06030
Open in Google Maps ↗

Secondary Practice Location 1

Location 1Hsc T12-020, Stony Brook UniversityStony Brook, NY 11794-0001 · Phone (202) 687-2184

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. Mason Peter Leeman-markowski Md, Phd 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 ID1254500523
PECOS Enrollment IDI20181101002633
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.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
52 services49 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
41 services38 patients
Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 95720
This procedure monitors brain wave activity over 12-26 hours using Video EEG (VEEG). It involves recording brain waves and video to detect irregularities. A healthcare professional will review the data and provide a report. It's non-invasive and safe.
22 services13 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
21 services19 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
18 services14 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06030 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.34/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.22
Promoting Interoperability100
Improvement Activities40
Cost48.08

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.

STATE OF CONNECTICUT HEALTH CENTER
Pathology (Anatomic Pathology & Clinical Pathology)
263 FARMINGTON AVE, LABORATORY HBP GROUP
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-7503
MR. IAN THOMAS MCNEILL
Neurological Surgery
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-8080
DR. LUIS CHAVEZ DE PAZ DDS, MS, PHD
Dentist (Endodontics)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-2719
TARUNYA REDDY VEDERE
Internal Medicine (Endocrinology, Diabetes & Metabolism)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-3245
ZACHARY TALLENT SOLOMON
Surgery
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-3467
MICHAEL CONNOLLY
Psychiatry & Neurology (Psychiatry)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-4733
EMILY WENG DO
Internal Medicine (Gastroenterology)
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-3158
ANDREW KEMERLEY DO
Student in an Organized Health Care Education/Training Program
263 FARMINGTON AVE
FARMINGTON, CT 06030
Capitol Planning Region (860) 679-3467

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 Mason Leeman-markowski's NPI number?

The NPI number for Mason Leeman-markowski is 1962666545. It was assigned to this individual provider in the NPPES registry on July 14, 2008.

Where is Mason Leeman-markowski located?

Mason Leeman-markowski practices at 263 Farmington Ave, Farmington, CT 06030. The listed phone number is (860) 679-4888.

What is Mason Leeman-markowski's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Vascular Neurology, with taxonomy code 2084V0102X.

Is Mason Leeman-markowski enrolled in Medicare?

Yes. Mason Leeman-markowski 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.

When was this NPI record last updated?

The NPPES record for Mason Leeman-markowski was last updated on September 30, 2022. 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.