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

DR. MICHAEL JOHN MELGAR MD
NPI 1801893755
Internal Medicine in Great Neck, NY

Q: What is Michael Melgar's NPI number?

The NPI number for Michael Melgar is 1801893755. It was assigned to this individual provider in the NPPES registry on July 7, 2005.

Q: What is Michael Melgar's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Michael Melgar was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.

Active since July 07, 2005PECOS EnrolledAccepts Medicare Assignment

84.47/100

CMS Quality Rating

488 GREAT NECK RD, GREAT NECK, NY 11021(516) 482-6747(516) 482-4851 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 10, 2026, Feb 24, 2021 (2 updates tracked since 2021).

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About Dr. Michael John Melgar Md NPPES

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

DR. MICHAEL JOHN MELGAR MD (NPI 1801893755) is an individual internal medicine provider in Great Neck, New York, licensed in New York (178298) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Albany Medical College Of Union University (1987).

NPPES Registry Identity

NPI1801893755

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. MICHAEL JOHN MELGARCredential: MD

Location Address488 GREAT NECK RDGreat Neck, NY 11021-4315

Mailing Address488 Great Neck RdGreat Neck, NY 11021-4315 · (516) 482-6747 · Fax (516) 482-4851

Phone(516) 482-6747

Fax(516) 482-4851

Sole ProprietorNo

Medical School CMSAlbany Medical College Of Union UniversityGraduated 1987

Enumeration DateJuly 7, 2005

Last NPPES UpdateJuly 10, 20262 updates tracked since enumeration

NPPES CertifiedJuly 10, 2026

✔ NPI 1801893755 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 · 178298

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.

488 GREAT NECK RD, Great Neck, NY 11021

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Other Identifiers 1

OtherDP217NY · Oxford

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. Michael John Melgar 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 ID1456530351

PECOS Enrollment IDI20110125000279

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 14

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.

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.

851 services419 patients

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.

520 services294 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.

323 services303 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.

284 services188 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.

207 services207 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.

73 services72 patients

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.

65 services57 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

53 services53 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

32 services32 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

31 services31 patients

Administration of vaccine, each additional vaccine 90472

Administering an additional vaccine involves giving you an extra immunization to protect against other diseases. This is done after the first vaccine, often during the same visit. It's a safe, effective way to bolster your immune system against multiple illnesses.

20 services20 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

20 services20 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

19 services19 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330106

Location300 Community DriveManhasset, NY 11030 · Nassau County

Emergency services Birthing friendly

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330214

Location550 First AvenueNew York, NY 10016 · New York County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11021 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

84.47/100

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

Scored as part of a group practice

Quality

93.33

Promoting Interoperability

100

Improvement Activities

Cost

54.91

Referred Medical Equipment & Supplies CMS DME claims 2

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

5 suppliers12 claims24 services$6.04 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261

DME-Hospital Beds · category DB000N

1 supplier12 claims12 services$40.99 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 16

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

DR. ALON Y MOGILNER MD

Neurological Surgery

488 GREAT NECK RD
GREAT NECK, NY 11021

Nassau County (212) 263-2607

GREAT NECK MEDICAL GROUP, LLP

Internal Medicine (Cardiovascular Disease)

488 GREAT NECK RD, SUITE 300
GREAT NECK, NY 11021

Nassau County (516) 482-6747

DR. EVAN HOWARD SCHWARZWALD D.O.

Internal Medicine (Cardiovascular Disease)

488 GREAT NECK RD, SUITE 300
GREAT NECK, NY 11021

Nassau County (516) 482-6747

STEVEN MARK KOBREN

Internal Medicine (Cardiovascular Disease)

488 GREAT NECK RD, SUITE 300
GREAT NECK, NY 11021

Nassau County (516) 482-6747

DR. MICHAEL LANCE GREENBAUM DDS

Dentist (General Practice)

488 GREAT NECK RD, 3RD FLOOR
GREAT NECK, NY 11021

Nassau County (516) 466-5222

DR. CHAIM ROSS M.D.

Internal Medicine (Gastroenterology)

488 GREAT NECK RD
GREAT NECK, NY 11021

Nassau County (516) 248-3737

DR. ALEXANDER MIRONOV MD

Internal Medicine (Cardiovascular Disease)

488 GREAT NECK RD
GREAT NECK, NY 11021

Nassau County (516) 482-6747

DR. EKATERINA MALIEVSKAIA M.D.

Internal Medicine

488 GREAT NECK RD, SUITE 300
GREAT NECK, NY 11021

Nassau County (516) 482-6747

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 Michael Melgar's NPI number?

The NPI number for Michael Melgar is 1801893755. It was assigned to this individual provider in the NPPES registry on July 7, 2005.

Where is Michael Melgar located?

Michael Melgar practices at 488 Great Neck Rd, Great Neck, NY 11021. The listed phone number is (516) 482-6747.

What is Michael Melgar's specialty?

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

Is Michael Melgar enrolled in Medicare?

Yes. Michael Melgar 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 Michael Melgar affiliated with any hospitals?

According to CMS data, Michael Melgar is affiliated with North Shore University Hospital and Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Michael Melgar was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.