JOHN DELEON MD
NPI 1245297654
Radiology - Diagnostic Ultrasound in Waterbury, CT

Q: What is John Deleon's NPI number?

The NPI number for John Deleon is 1245297654. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Q: What is John Deleon's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Ultrasound, with taxonomy code 2085U0001X.

Q: When was this NPI record last updated?

The NPPES record for John Deleon was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 April 28, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

134 GRANDVIEW AVE, STE 101, WATERBURY, CT 06708(203) 756-8911(203) 574-0548 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

On this page

About John Deleon Md NPPES

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

JOHN DELEON MD (NPI 1245297654) is an individual diagnostic ultrasound provider in Waterbury, Connecticut, licensed in Connecticut (040870) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of City University Of New York School Of Medicine (1993).

NPPES Registry Identity

NPI1245297654

Entity TypeIndividualMale

Primary Taxonomy2085U0001X

Provider Legal NameJOHN DELEONCredential: MD

Location Address134 GRANDVIEW AVE, STE 101Waterbury, CT 06708

Mailing Address134 Grandview AveWaterbury, CT 06708 · (203) 756-8911 · Fax (203) 574-0548

Phone(203) 756-8911

Fax(203) 574-0548

Sole ProprietorNo

Medical School CMSCity University Of New York School Of MedicineGraduated 1993

Enumeration DateApril 28, 2006

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1245297654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic UltrasoundAllopathic & Osteopathic Physicians

Taxonomy Code2085U0001X

License✔ Licensed in CT · 040870

Definition

A Radiology doctor of Osteopathy that specializes in Diagnostic Ultrasound.

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 040870 (CT)

134 GRANDVIEW AVE, Waterbury, CT 06708

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Other Identifiers 5

Other711609Ct Care

OtherA437740Oxford

Other010040870CT01Anthem

Other06091160802Tricare

OtherOR0365Healthnet

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare, Oscar Insurance Company.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

John Deleon 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 ID547201733

PECOS Enrollment IDI20060828000406

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 John Deleon reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology Associates, LLC

Same address

Radiology

134 GRANDVIEW AVE
Waterbury, CT 06708

Reassigned Medicare billing, Connecticut enrollment
10 clinicians in this Medicare group

NPI 1700837374 (203) 756-8911

Valley Imaging Partners, LLC

6.0 mi

Diagnostic Radiology

799 NEW HAVEN RD
Naugatuck, CT 06770

Reassigned Medicare billing, Connecticut enrollment
10 clinicians in this Medicare group

NPI 1366493926 (203) 723-8470

Premier Radiology Wisconsin, LLC

766 mi

Diagnostic Radiology

10180 WASHINGTON AVE STE 101
Mount Pleasant, WI 53177

Reassigned Medicare billing, Wisconsin enrollment
237 clinicians in this Medicare group

NPI 1952951154 (414) 973-7830

Radiology Alliance PC

829 mi

Diagnostic Radiology

210 25TH AVE N STE 602
Nashville, TN 37203

Reassigned Medicare billing, Connecticut enrollment
5 clinicians in this Medicare group

NPI 1861478489 (615) 312-0600

Medical X-Ray Consultants, Ltd

1,152 mi

Vascular & Interventional Radiology

111 17TH AVE E
Alexandria, MN 56308

Reassigned Medicare billing, Connecticut enrollment
2 clinicians in this Medicare group

NPI 1386601383 (715) 295-9431

Singleton Associates PA

1,475 mi

Diagnostic Radiology

9250 PINECROFT DR
Shenandoah, TX 77380

Reassigned Medicare billing, Connecticut and Texas enrollments
Also billed through NPI 1487811766 (Texas)
3 clinicians in this Medicare group

NPI 1538107875 (915) 264-3174

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 58

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.

Injection, gadobutrol, 0.1 ml A9585

Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.

5,980 services70 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,120 services12 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

418 services287 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

287 services248 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

193 services181 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

185 services185 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

185 services185 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

116 services109 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

104 services98 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

90 services85 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

88 services83 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

71 services69 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.

58 services58 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

54 services54 patients

Mri scan of pelvis before and after contrast 72197

An MRI scan of the pelvis before and after contrast is a non-invasive imaging technique. It uses magnetic fields and radio waves to capture detailed images of your lower abdomen. Contrast dye, safe for the body, improves image clarity. This helps detect abnormalities more accurately.

50 services50 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

50 services50 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

46 services45 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

43 services37 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

41 services41 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

38 services38 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

35 services35 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

31 services31 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

30 services30 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

28 services28 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

28 services28 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

28 services28 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

28 services28 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

25 services25 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

25 services25 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

25 services25 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

24 services23 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

24 services24 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

22 services22 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

22 services22 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

22 services22 patients

Ct scan of heart structure with contrast 75572

A CT scan of the heart with contrast is a non-invasive test. A dye is injected into your veins, which helps to highlight heart structures in the images. The CT scanner uses X-rays to create detailed pictures of your heart, aiding in diagnosis.

21 services21 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

21 services21 patients

X-ray of chest, 2 views 71046

20 services20 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

20 services20 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

19 services19 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

18 services17 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

17 services17 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

17 services17 patients

Ct scan of chest without contrast 71250

16 services16 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

16 services16 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

15 services15 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

15 services13 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

14 services14 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

14 services14 patients

Ct scan of blood vessels and grafts of heart with contrast 75574

A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.

14 services14 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

12 services12 patients

X-ray of elbow, 2 views 73070

An elbow X-ray, 2 views, is a quick, painless imaging test. It uses a small amount of radiation to produce detailed images of your elbow from two different angles. This helps in diagnosing conditions like fractures, infection, or arthritis. It's a safe and effective way to monitor your elbow health.

12 services12 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

12 services12 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

12 services12 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

12 services12 patients

Dxa bone density measurement of forearm, finger, hand, or foot 77081

A DXA bone density measurement of the forearm, finger, hand, or foot is a non-invasive procedure that uses X-rays to measure the amount of calcium and other minerals in your bones. This test helps to assess the strength of your bones and your risk of fractures.

12 services12 patients

Ct scan of abdomen and pelvis without contrast 74176

11 services11 patients

Complete ultrasound scan behind abdominal cavity 76770

11 services11 patients

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.

100/100

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

Scored as part of a group practice

Quality

100

Improvement Activities

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%907 patients

Radiology: Reminder System for Screening Mammograms

Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram

100%216 patients

Radiology: Stenosis Measurement in Carotid Imaging Reports

Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…

99%89 patients

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.

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.

DR. THOMAS F. MCCARTHY III DDS

Dentist (General Practice)

134 GRANDVIEW AVE, SUITE 102
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 756-2207

DENISE PRATT APRN

Nurse Practitioner (Obstetrics & Gynecology)

134 GRANDVIEW AVE, SUITE 210
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 754-2535

JULIANNA J THOMPSON CNM

Advanced Practice Midwife

134 GRANDVIEW AVE
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 754-2535

CONSULTING PATHOLOGISTS OF CONNECTICUT, P.C.

Pathology (Anatomic Pathology & Clinical Pathology)

134 GRANDVIEW AVE, SUITE 108
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 573-6270

DR. THOMAS P. ANDERSON M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

134 GRANDVIEW AVE, SUITE 108
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 573-6720

MRS. LORETTA C RICHARDSON CNM

Advanced Practice Midwife

134 GRANDVIEW AVE, SUITE 210
WATERBURY, CT 06708

Naugatuck Valley Planning Region (860) 307-2937

MR. JUSTIN CHAMPAGNE PA-C

Physician Assistant (Medical)

134 GRANDVIEW AVE
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 756-8911

MRS. THERESA F PILIERO M.S. APRN-BC

Nurse Practitioner

134 GRANDVIEW AVE, SUITE 202
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 756-7788

SPECIALISTS IN WOMEN'S HEALTHCARE PC

Obstetrics & Gynecology

134 GRANDVIEW AVE, STE 210
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 754-2535

ALOK BHARGAVA M.D.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

134 GRANDVIEW AVE, SUITE 208
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 755-3279

DR. JOHN KACZMAREK MD

Obstetrics & Gynecology

134 GRANDVIEW AVE, SUITE 210
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 754-2535

ANTHONY R CARTER MD

Radiology (Diagnostic Radiology)

134 GRANDVIEW AVE, SUITE 101
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 756-8911

IMAGING PARTNERS, LLC

Clinic/Center (Radiology)

134 GRANDVIEW AVE
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 573-6200

DANIEL P BAXTER P.A.

Physician Assistant (Medical)

134 GRANDVIEW AVE, SUITE 101
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 756-8911

DUNCAN J BELCHER MD

Radiology (Diagnostic Ultrasound)

134 GRANDVIEW AVE, STE 101
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 756-8911

BARBARA RYMER APRN

Nurse Practitioner (Family)

134 GRANDVIEW AVE
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 578-4609

DAVID JAMES DELUCIA MD

Internal Medicine

134 GRANDVIEW AVE, SUITE 202
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 756-7788

MRS. CYBILL SHELBY THOMAS APRN

Nurse Practitioner (Family)

134 GRANDVIEW AVE
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 756-7788

DR. DWIGHT M. ROST M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

134 GRANDVIEW AVE, SUITE 108
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 572-7266

ERIC A HYSON MD

Radiology (Diagnostic Ultrasound)

134 GRANDVIEW AVE, STE 101
WATERBURY, CT 06708

Naugatuck Valley Planning Region (203) 756-8911

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 John Deleon's NPI number?

The NPI number for John Deleon is 1245297654. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Where is John Deleon located?

John Deleon practices at 134 Grandview Ave Ste 101, Waterbury, CT 06708. The listed phone number is (203) 756-8911.

What is John Deleon's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Ultrasound, with taxonomy code 2085U0001X.

Is John Deleon enrolled in Medicare?

Yes. John Deleon 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 John Deleon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Deleon reassigns Medicare benefits to 6 organizations: Diagnostic Radiology Associates, LLC (Waterbury, CT), Valley Imaging Partners, LLC (Naugatuck, CT), Premier Radiology Wisconsin, LLC (Mount Pleasant, WI), Radiology Alliance PC (Nashville, TN), Medical X-Ray Consultants, Ltd (Alexandria, MN) and 1 more organization, listed in the Medicare section above. 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 John Deleon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Deleon accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare and Oscar Insurance Company list John Deleon 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.

When was this NPI record last updated?

The NPPES record for John Deleon was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.