DR. MIKHAIL GRZHIBEK M.D.
NPI 1629033709
Internal Medicine in East Patchogue, NY

Q: What is Mikhail Grzhibek's NPI number?

The NPI number for Mikhail Grzhibek is 1629033709. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Q: What is Mikhail Grzhibek'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 Mikhail Grzhibek was last updated on April 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since April 20, 2006PECOS EnrolledCLIA 33D0158539 · Waiver

285 SILLS RD, BUILDING 4 SUITE D, EAST PATCHOGUE, NY 11772(631) 654-1800(631) 240-9181 Get Directions Write a Review

NPPES record last updated: April 13, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Mikhail Grzhibek M.d. NPPES

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

DR. MIKHAIL GRZHIBEK M.D. (NPI 1629033709) is an individual internal medicine provider in East Patchogue, New York, licensed in New York (239339) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through December 22, 2027, and is affiliated with Long Island Community Hospital.

NPPES Registry Identity

NPI1629033709

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. MIKHAIL GRZHIBEKCredential: M.D.

Location Address285 SILLS RD, BUILDING 4 SUITE DEast Patchogue, NY 11772-4869

Mailing Address285 Sills Rd, Building 4, Suite DEast Patchogue, NY 11772-4869 · (917) 750-2937

Phone(631) 654-1800

Fax(631) 240-9181

Sole ProprietorNo

Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 2003

Enumeration DateApril 20, 2006

Last NPPES UpdateApril 13, 2015

✔ NPI 1629033709 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 · 239339

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.

285 SILLS RD, East Patchogue, NY 11772

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Other Identifiers 2

Medicare PIN2479S1NY

Medicare UPINI58547

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mikhail Grzhibek M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3779588835

PECOS Enrollment IDI20060922000408

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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D0158539

Mikhail Grzihbek, MD PC · Patchogue, NY

Active · expires Dec 22, 2027

CLIA Number33D0158539

Laboratory TypePhysician Office

Certificate Effective DateDecember 23, 2025

Certificate Expiration DateDecember 22, 2027

Laboratory DirectorDr. Mikhail Grzhibek

Laboratory Phone(631) 654-1800

Laboratory LocationMikhail Grzihbek, MD PC285 Sills Road, Building 4, Suite D, Patchogue, NY 11772

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 22

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 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.

1,298 services306 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.

356 services46 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

235 services202 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.

209 services209 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.

160 services139 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

141 services34 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.

140 services84 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.

139 services139 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.

135 services135 patients

Stool analysis for blood to screen for colon tumors 82270

A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.

122 services122 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.

121 services89 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.

54 services27 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

49 services12 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

48 services34 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.

47 services40 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.

39 services27 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.

33 services23 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

29 services25 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.

27 services24 patients

Nursing facility discharge management, more than 30 minutes 99316

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

27 services25 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

25 services19 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

16 services14 patients

Hospital Affiliations CMS Care Compare

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

Long Island Community Hospital

Acute Care Hospitals · Patchogue, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330141

Location101 Hospital RoadPatchogue, NY 11772 · Suffolk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11772 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.

Reported Quality Measures

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%2,720 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

100%7,441 patients5/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

0%567 patients1/55-star benchmark: 98%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

100%98 patients5/55-star benchmark: 100%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

54%564 patients3/55-star benchmark: 90%

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

83%571 patients4/55-star benchmark: 88%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

10%757 patients1/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

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

DME-Other DME · category DE017N

17 suppliers57 claims108 services$6.28 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

10 suppliers25 claims27 services$0.98 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

3 suppliers14 claims14 services$44.65 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

3 suppliers11 claims11 services$14.33 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

3 suppliers13 claims13 services$10.59 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

3 suppliers16 claims75 services$1.79 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 20

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

JUNG-YONG KIM MD

Specialist

285 SILLS RD, BLDG 16
EAST PATCHOGUE, NY 11772

Suffolk County (631) 758-7575

NY DME CONSULTANTS LLC

Prosthetic/Orthotic Supplier

285 SILLS RD, BLDG 4 STE B
EAST PATCHOGUE, NY 11772

Suffolk County (516) 680-0433

DR. CRAIG HEFFRON AU.D

Audiologist

285 SILLS RD, BUILDING 10, SUITE A
EAST PATCHOGUE, NY 11772

Suffolk County (631) 207-1119

WILLIAM JAMES FRIEDEL DDS P.C.

Dentist (Oral and Maxillofacial Surgery)

285 SILLS RD, BUILDING 2 SUITE A
EAST PATCHOGUE, NY 11772

Suffolk County (631) 475-2224

DR. TARA EARLS

Dentist (Pediatric Dentistry)

285 SILLS RD
EAST PATCHOGUE, NY 11772

Suffolk County (631) 289-9000

QAZI QAISAR AFZAL MD

Internal Medicine (Pulmonary Disease)

285 SILLS RD, BUILDING 7, SUITE B
EAST PATCHOGUE, NY 11772

Suffolk County (631) 654-4577

R&T MEDICAL PC

Family Medicine

285 SILLS RD, BLDG 10, SUITE D
EAST PATCHOGUE, NY 11772

Suffolk County (631) 438-0777

PROFESSIONAL CARE PHYSICAL THERAPY AND REHABILITATION

Rehabilitation Unit

285 SILLS RD, BUILDING 10 SUITE D
EAST PATCHOGUE, NY 11772

Suffolk County (631) 775-0971

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 Mikhail Grzhibek's NPI number?

The NPI number for Mikhail Grzhibek is 1629033709. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Where is Mikhail Grzhibek located?

Mikhail Grzhibek practices at 285 Sills Rd Building 4 Suite D, East Patchogue, NY 11772. The listed phone number is (631) 654-1800.

What is Mikhail Grzhibek's specialty?

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

Is Mikhail Grzhibek enrolled in Medicare?

Yes. Mikhail Grzhibek is registered in the Medicare PECOS enrollment system.

Does Mikhail Grzhibek hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D0158539) is associated with this NPI, valid through December 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is Mikhail Grzhibek affiliated with any hospitals?

According to CMS data, Mikhail Grzhibek is affiliated with Long Island Community Hospital.

When was this NPI record last updated?

The NPPES record for Mikhail Grzhibek was last updated on April 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

About Dr. Mikhail Grzhibek M.d. NPPES

NPPES Registry Identity

Specialties & Licenses

Other Identifiers 2

Medicare Participation & PECOS CMS

Medicare Enrollment Status

CLIA Laboratory Certificates CMS CLIA

Certificate of Waiver · 33D0158539

Areas of Expertise CMS Part B claims 22

Hospital Affiliations CMS Care Compare

Long Island Community Hospital

Physician Visit Costs CMS claims · ZIP area

Medicare Quality Performance CMS QPP · MIPS

Reported Quality Measures

Referred Medical Equipment & Supplies CMS DME claims 12

Other Providers at the Same Location NPPES 20

Frequently Asked Questions NPPES & CMS

What is Mikhail Grzhibek's NPI number?

Where is Mikhail Grzhibek located?

What is Mikhail Grzhibek's specialty?

Is Mikhail Grzhibek enrolled in Medicare?

Does Mikhail Grzhibek hold a CLIA laboratory certificate?

Is Mikhail Grzhibek affiliated with any hospitals?

When was this NPI record last updated?

Certificate of Waiver 33D0158539