THADDEUS J GRABOWY MD
NPI 1679570006
Internal Medicine in Tinton Falls, NJ

Q: What is Thaddeus Grabowy's NPI number?

The NPI number for Thaddeus Grabowy is 1679570006. It was assigned to this individual provider in the NPPES registry on June 30, 2005.

Q: What is Thaddeus Grabowy'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 Thaddeus Grabowy was last updated on December 14, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 June 30, 2005PECOS EnrolledAccepts Medicare Assignment

4 HARTFORD DR, TINTON FALLS, NJ 07701(732) 741-3600(732) 741-6079 Get Directions Write a Review

NPPES record last updated: December 14, 2017. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Thaddeus J Grabowy Md NPPES

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

THADDEUS J GRABOWY MD (NPI 1679570006) is an individual internal medicine provider in Tinton Falls, New Jersey, licensed in New Jersey (25MA05933800) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Riverview Medical Center, and is a graduate of Rutgers School Of Dental Medicine (1986).

NPPES Registry Identity

NPI1679570006

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameTHADDEUS J GRABOWYCredential: MD

Location Address4 HARTFORD DRTinton Falls, NJ 07701-4929

Mailing AddressPo Box 249Red Bank, NJ 07701-0249 · (732) 741-3600 · Fax (732) 741-6079

Phone(732) 741-3600

Fax(732) 741-6079

Sole ProprietorNo

Medical School CMSRutgers School Of Dental MedicineGraduated 1986

Enumeration DateJune 30, 2005

Last NPPES UpdateDecember 14, 2017

✔ NPI 1679570006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NJ · 25MA05933800

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.

Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X · License 25MA05933800 (NJ)

4 HARTFORD DR, Tinton Falls, NJ 07701

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Other Identifiers 1

Medicaid5509106NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thaddeus J Grabowy 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 ID8729163506

PECOS Enrollment IDI20101029000389

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 Thaddeus Grabowy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Riverview Medical Associates PA

0.1 mi

Internal Medicine

4 HARTFORD DR STE 1
Tinton Falls, NJ 07701

Reassigned Medicare billing, New Jersey enrollment
12 clinicians in this Medicare group

NPI 1194722694 (732) 741-3600

Hackensack Meridian Health Medical Group - Primary Care PC

1.0 mi

Family Medicine

331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701

Reassigned Medicare billing, New Jersey enrollment
689 clinicians in this Medicare group

NPI 1336203538 (732) 807-0800

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 21

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.

855 services521 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

576 services139 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.

143 services143 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.

107 services107 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

104 services104 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

99 services97 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.

72 services70 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.

60 services60 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

56 services56 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.

55 services55 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

55 services47 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.

35 services25 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.

31 services31 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

28 services28 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

25 services25 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

25 services25 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

22 services22 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

15 services14 patients

Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report G0403

An Electrocardiogram (ECG) with 12 leads is a non-invasive test that measures the electrical activity of your heart. It's performed during your initial physical examination to screen for heart conditions. The results are interpreted and compiled into a report for further evaluation.

15 services15 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

14 services13 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.

14 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Riverview Medical Center

Acute Care Hospitals · Red Bank, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310034

LocationOne Riverview PlazaRed Bank, NJ 07701 · Monmouth County

Emergency services Birthing friendly

Ocean Medical Center

Acute Care Hospitals · Brick, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number310052

Location425 Jack Martin BlvdBrick, NJ 08724 · Ocean County

Emergency services Birthing friendly

Jersey Shore University Medical Center

Acute Care Hospitals · Neptune, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310073

Location1945 State Route 33Neptune, NJ 07753 · Monmouth County

Emergency services Birthing friendly

Centrastate Medical Center

Acute Care Hospitals · Freehold, NJ

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310111

Location901 West Main StreetFreehold, NJ 07728 · Monmouth County

Emergency services Birthing friendly

Bayshore Medical Center

Acute Care Hospitals · Holmdel, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310112

Location727 N Beers StHolmdel, NJ 07733 · Monmouth County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07701 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

$140.34 typical visit price

range $61.59 – $185.05

Typical copayment $35.08 (range $15.39 – $46.26)

Most-billed visit code 99204

Established Patient

$107.94 typical visit price

range $20.08 – $150.98

Typical copayment $26.98 (range $5.02 – $37.74)

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 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

13 suppliers42 claims86 services$5.08 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

6 suppliers24 claims25 services$0.90 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 11

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

ADVANCED DERMATOLOGY SURGERY CENTER

Dermatology (Procedural Dermatology)

4 HARTFORD DR, SUITE 3
TINTON FALLS, NJ 07701

Monmouth County (732) 933-8500

MUNG LO FNP-C

Nurse Practitioner (Family)

4 HARTFORD DR
TINTON FALLS, NJ 07701

Monmouth County (732) 740-3600

DR. RAJNEY MONICA BAIS MD

Internal Medicine

4 HARTFORD DR
TINTON FALLS, NJ 07701

Monmouth County (732) 741-3600

JOSEPH G BOAK JR. MD

Internal Medicine

4 HARTFORD DR
TINTON FALLS, NJ 07701

Monmouth County (732) 741-3600

DIANE M HENDERIKS R.D.

Dietitian, Registered

4 HARTFORD DR
TINTON FALLS, NJ 07701

Monmouth County (732) 922-6269

MISS NICOLE BARONE APN

Nurse Practitioner (Family)

4 HARTFORD DR, STE 1
TINTON FALLS, NJ 07701

Monmouth County (732) 741-3600

STEPHEN S JUREWICZ MD

Internal Medicine

4 HARTFORD DR
TINTON FALLS, NJ 07701

Monmouth County (732) 741-3600

BRIDGET G WILLIG MSN, APN

Nurse Practitioner

4 HARTFORD DR, SUITE 1
TINTON FALLS, NJ 07701

Monmouth County (732) 741-3600

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 Thaddeus Grabowy's NPI number?

The NPI number for Thaddeus Grabowy is 1679570006. It was assigned to this individual provider in the NPPES registry on June 30, 2005.

Where is Thaddeus Grabowy located?

Thaddeus Grabowy practices at 4 Hartford Dr, Tinton Falls, NJ 07701. The listed phone number is (732) 741-3600.

What is Thaddeus Grabowy's specialty?

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

Is Thaddeus Grabowy enrolled in Medicare?

Yes. Thaddeus Grabowy 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.

Which organizations bill Medicare for Thaddeus Grabowy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thaddeus Grabowy reassigns Medicare benefits to 2 organizations: Riverview Medical Associates PA (Tinton Falls, NJ) and Hackensack Meridian Health Medical Group - Primary Care PC (Red Bank, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thaddeus Grabowy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thaddeus Grabowy accept?

Health plans from Ambetter Health and Oscar Health list Thaddeus Grabowy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thaddeus Grabowy affiliated with any hospitals?

According to CMS data, Thaddeus Grabowy is affiliated with Riverview Medical Center, Ocean Medical Center, Jersey Shore University Medical Center, Centrastate Medical Center and Bayshore Medical Center.

When was this NPI record last updated?

The NPPES record for Thaddeus Grabowy was last updated on December 14, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.