Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

THOMAS MASTAKOURIS M.D
NPI 1144277443
Internal Medicine in Astoria, NY

Q: What is Thomas Mastakouris's NPI number?

The NPI number for Thomas Mastakouris is 1144277443. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Q: What is Thomas Mastakouris's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since May 30, 2006PECOS Enrolled

82.11/100

CMS Quality Rating

3010 38TH ST, ASTORIA, NY 11103(718) 545-2020(718) 932-9131 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Thomas Mastakouris M.d NPPES

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

THOMAS MASTAKOURIS M.D (NPI 1144277443) is an individual internal medicine provider in Astoria, New York, licensed in New York (187418) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1144277443

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameTHOMAS MASTAKOURISCredential: M.D

Location Address3010 38TH STAstoria, NY 11103-3804

Mailing Address3010 38th StAstoria, NY 11103-3804 · (718) 545-2020 · Fax (718) 932-9131

Phone(718) 545-2020

Fax(718) 932-9131

Sole ProprietorNo

Medical School CMSOtherGraduated 1987

Enumeration DateMay 30, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1144277443 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NY · 187418

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3010 38TH ST, Astoria, NY 11103

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Other Identifiers 1

Medicaid01415952NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas Mastakouris M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901825314

PECOS Enrollment IDI20051116000042

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 15

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 low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

1,492 services375 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

257 services257 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

184 services150 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.

97 services77 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

94 services94 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

92 services91 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

75 services64 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.

68 services58 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

58 services57 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

54 services48 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

46 services46 patients

Testing of autonomic (sympathetic) nervous system function 95923

Testing of autonomic nervous system function assesses how well your body's automatic processes, like heart rate and blood pressure, are working. It involves various non-invasive tests like heart rate variability and sweat production tests.

44 services43 patients

Testing of autonomic nervous system function and heart rate response to deep breathing 95921

This test studies the autonomic nervous system, which controls body functions like heart rate. During the test, you'll breathe deeply while the heart rate is monitored. This helps identify any irregularities in the heart's response to breathing changes.

43 services43 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

27 services23 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11103 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

$153.13 typical visit price

range $67.00 – $201.98

Typical copayment $38.28 (range $16.75 – $50.49)

Most-billed visit code 99204

Established Patient

$116.96 typical visit price

range $21.62 – $163.52

Typical copayment $29.24 (range $5.40 – $40.88)

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.

82.11/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

55.15

Improvement Activities

Cost

83.5

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

19 suppliers67 claims114 services$5.74 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

11 suppliers21 claims23 services$0.89 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

3 suppliers14 claims1,675 services$0.03 avg. paid by Medicare

Ipratropium bromide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per milligram J7644

DME-Drugs Administered Through DME · category DG006N

2 suppliers15 claims844 services$0.14 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

4 suppliers18 claims18 services$21.07 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES

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

MILAGROS HERNANDEZ M.D

Internal Medicine (Rheumatology)

3010 38TH ST
ASTORIA, NY 11103

Queens County (718) 545-2424

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 Thomas Mastakouris's NPI number?

The NPI number for Thomas Mastakouris is 1144277443. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Thomas Mastakouris located?

Thomas Mastakouris practices at 3010 38th St, Astoria, NY 11103. The listed phone number is (718) 545-2020.

What is Thomas Mastakouris's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Thomas Mastakouris enrolled in Medicare?

Yes. Thomas Mastakouris is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Thomas Mastakouris was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.