DR. MARK ILYAGU MD
NPI 1073994711
Internal Medicine in Brooklyn, NY

Q: What is Mark Ilyagu's NPI number?

The NPI number for Mark Ilyagu is 1073994711. It was assigned to this individual provider in the NPPES registry on June 17, 2015.

Q: What is Mark Ilyagu'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 Mark Ilyagu was last updated on April 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since June 17, 2015PECOS Enrolled

2183A RALPH AVE, BROOKLYN, NY 11234(717) 716-7107 Get Directions Write a Review

NPPES record last updated: April 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 2, 2025, Dec 3, 2022, Sep 5, 2019 (3 updates tracked since 2019).

On this page

About Dr. Mark Ilyagu Md NPPES

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

DR. MARK ILYAGU MD (NPI 1073994711) is an individual internal medicine provider in Brooklyn, New York, licensed in New York (295645) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Strong Memorial Hospital, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1073994711

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARK ILYAGUCredential: MD

Location Address2183A RALPH AVEBrooklyn, NY 11234-5405

Mailing Address221 Sea Breeze Ave Apt Ph2bBrooklyn, NY 11224-3454 · (717) 716-7107

Phone(717) 716-7107

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateJune 17, 2015

Last NPPES UpdateApril 2, 20253 updates tracked since enumeration

NPPES CertifiedApril 2, 2025

✔ NPI 1073994711 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 · 295645

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.

2183A RALPH AVE, Brooklyn, NY 11234

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Ilyagu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820340151

PECOS Enrollment IDI20181015000980, I20260518001111

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.

Medicare Billing Reassignments

Medicare enrollment records show Mark Ilyagu reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

City Medical Of Upper East Side, PLLC

Same address

Urgent Care

2183A RALPH AVE
Brooklyn, NY 11234

Reassigned Medicare billing, New York enrollment
596 clinicians in this Medicare group

NPI 1891283990 (718) 571-9225

Ilyagu Medical PC

5.3 mi

Internal Medicine

17 W 9TH ST
Brooklyn, NY 11231

Reassigned Medicare billing, New York enrollment
7 clinicians in this Medicare group

NPI 1730859935 (646) 687-2838

Equinox Health Medical PC

5.4 mi

Internal Medicine

128 BEACH 115TH ST
Rockaway Park, NY 11694

Reassigned Medicare billing, Florida and New York enrollments

NPI 1851194823 (717) 716-7107

Beacon Health Medical PC

5.8 mi

Internal Medicine

17 W 9TH ST
Brooklyn, NY 11231

Reassigned Medicare billing, New York enrollment
60 clinicians in this Medicare group

NPI 1679393052 (718) 599-9090

Rockwell Health LLC

5.8 mi

Multi-Specialty

17 W 9TH ST
Brooklyn, NY 11231

Reassigned Medicare billing, New York enrollment
20 clinicians in this Medicare group

NPI 1699479733 (718) 599-9090

East Summit Medical PC

7.4 mi

Gastroenterology

40 BOWERY # GROUND
New York, NY 10013

Reassigned Medicare billing, New York enrollment
5 clinicians in this Medicare group

NPI 1093371742 (646) 609-6138

Mark Ilyagu Medical PC

11 mi

Internal Medicine

70 E SUNRISE HWY STE 500
Valley Stream, NY 11581

Reassigned Medicare billing, New Jersey and New York enrollments
3 clinicians in this Medicare group

NPI 1619699915 (717) 716-7107

Downtown Bronx Medical Associates PC

13 mi

Emergency Medical Services

234 E 149TH ST, STE 8D200
Bronx, NY 10451

Reassigned Medicare billing, New York enrollment
971 clinicians in this Medicare group

NPI 1689618407 (718) 576-6200

Meridian Health Medical PC

30 mi

Internal Medicine

50 CHESTNUT RIDGE RD STE 130
Montvale, NJ 07645

Reassigned Medicare billing, New Jersey enrollment

NPI 1922931195 (646) 687-2838

Crown Heights Medical, P.C.

35 mi

Multi-Specialty

1 MAIN ST
Monsey, NY 10952

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Crown Heights Medical PC
17 clinicians in this Medicare group

NPI 1821210402 (845) 371-7200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 18

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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

391 services84 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.

356 services355 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

344 services72 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.

305 services261 patients

Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month 99491

Chronic care management services involve a healthcare professional personally providing care for patients with two or more chronic conditions. This service, offered monthly, focuses on the first 30 minutes of care, helping manage and coordinate the patient's health needs.

249 services131 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.

143 services133 patients

Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service) G0506

This service involves a thorough evaluation of patients needing ongoing care for chronic conditions. It includes creating a tailored care plan, coordinating with healthcare providers, and monitoring progress regularly. The goal is to provide optimal, personalized care for your long-term health needs.

130 services129 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

66 services61 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

57 services57 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

34 services34 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

32 services32 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.

29 services29 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

29 services12 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

24 services12 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

24 services24 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

18 services18 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.

14 services14 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

13 services13 patients

Hospital Affiliations CMS Care Compare

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

Strong Memorial Hospital

Acute Care Hospitals · Rochester, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330285

Location601 Elmwood AveRochester, NY 14642 · Monroe County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11234 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.

Referred Medical Equipment & Supplies CMS DME claims 12

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

Tracheostomy, inner cannula A4623

DME-Orthotic Devices · category DF000N

1 supplier28 claims1,680 services$6.35 avg. paid by Medicare

For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe A5500

DME-Orthotic Devices · category DF000N

1 supplier11 claims22 services$61.00 avg. paid by Medicare

For diabetics only, multiple density insert, direct formed, molded to foot after external heat source of 230 degrees fahrenheit or higher, total contact with patient's foot, including arch, base layer minimum of 1/4 inch material of shore a 35 durometer or 3/16 inch material of shore a 40 durometer (or higher), prefabricated, each A5512

DME-Orthotic Devices · category DF000N

1 supplier11 claims66 services$24.88 avg. paid by Medicare

Tracheostomy tube collar/holder, each A7526

DME-Orthotic Devices · category DF000N

1 supplier12 claims360 services$3.28 avg. paid by Medicare

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

1 supplier44 claims789 services$4.35 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

4 suppliers13 claims4,522 services$0.27 avg. paid by Medicare

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

Other Providers at the Same Location NPPES 6

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

MRS. LYNN P ROBERTSON PT

Physical Therapist