DR. SEBASTIANO DIDATO M.D.
NPI 1356492474
Surgery - Vascular Surgery in Leominster, MA

Q: What is Sebastiano Didato's NPI number?

The NPI number for Sebastiano Didato is 1356492474. It was assigned to this individual provider in the NPPES registry on January 16, 2007.

Q: What is Sebastiano Didato's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Sebastiano Didato was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 January 16, 2007PECOS Enrolled

114 MERRIAM AVE STE 101, LEOMINSTER, MA 01453(978) 534-3399 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 4, 2025, Oct 2, 2019, Aug 25, 2016 (3 updates tracked since 2016).

On this page

About Dr. Sebastiano Didato M.d. NPPES

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

DR. SEBASTIANO DIDATO M.D. (NPI 1356492474) is an individual vascular surgery provider in Leominster, Massachusetts, licensed in New Hampshire (17558) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and maintains a secondary practice location in Concord.

NPPES Registry Identity

NPI1356492474

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameDR. SEBASTIANO DIDATOCredential: M.D.

Location Address114 MERRIAM AVE STE 101Leominster, MA 01453-3175

Mailing Address114 Merriam Ave Ste 101Leominster, MA 01453-3175 · (978) 534-3399

Phone(978) 534-3399

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateJanuary 16, 2007

Last NPPES UpdateDecember 4, 20253 updates tracked since enumeration

NPPES CertifiedDecember 4, 2025

✔ NPI 1356492474 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in NH · 17558

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Also ListedSurgeryTaxonomy 208600000X · License 241680 (MA), 17558 (NH)

114 MERRIAM AVE STE 101, Leominster, MA 01453

Open in Google Maps ↗

Secondary Practice Location 1

Location 1246 Pleasant St, Suite 205Concord, NH 03301-2548 · Phone (603) 224-0584 · Fax (603) 225-5769

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

PECOS PAC ID2062630957

PECOS Enrollment IDI20191018001318

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

Stephen J. Hoenig, MD, PC

0.8 mi

Vascular Surgery

50 MEMORIAL DR, SUITE 112
Leominster, MA 01453

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

NPI 1578561569 (978) 534-3399

Vascular Care Group LLC

97 mi

Vascular Surgery

100 CAMP ST
Hyannis, MA 02601

Reassigned Medicare billing, Massachusetts enrollment
32 clinicians in this Medicare group

NPI 1538775481 (508) 775-1984

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.

268 services214 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

209 services147 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.

199 services113 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

155 services96 patients

Ultrasound of one leg arteries or artery grafts 93926

An ultrasound of leg arteries or artery grafts is a non-invasive test using sound waves to create images of your blood vessels. This helps doctors assess blood flow, identify blockages, and monitor the health of grafts.

149 services88 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.

141 services118 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.

112 services112 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

78 services39 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

72 services48 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

53 services26 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.

52 services52 patients

Review by radiologist of abdominal aorta image 75625

This is a procedure where a radiologist, a doctor specialized in medical imaging, examines an image of your abdominal aorta. The abdominal aorta is the large blood vessel that carries blood to your lower body. The radiologist checks for any abnormalities to ensure your overall vascular health.

50 services27 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.

48 services41 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

46 services33 patients

Ultrasound of hemodialysis access 93990

An ultrasound of hemodialysis access is a non-invasive procedure that uses sound waves to create images of your dialysis access site. It helps monitor the access site's health and detect any potential issues like blockages or narrowing.

36 services18 patients

Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance 36475

This procedure involves using radiofrequency energy, a type of heat energy, to close off an unhealthy vein in your arm or leg. Imaging guidance helps ensure precise targeting of the vein. This helps improve blood flow by rerouting it through healthier veins.

34 services29 patients

Ultrasound evaluation of blood vessel with review by radiologist, initial vessel 37252

This procedure involves using ultrasound, a safe imaging technique, to examine your blood vessels. The images are then reviewed by a radiologist, a doctor specialized in medical imaging. The process helps identify any abnormalities in your initial vessel.

30 services27 patients

Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel 37253

An ultrasound evaluation of a blood vessel is a non-invasive procedure that uses sound waves to create images of your blood vessels. A radiologist reviews these images to check for any abnormalities. If additional vessels need reviewing, the process is repeated.

27 services16 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

25 services12 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.

24 services23 patients

Removal of plaque in arteries of leg 37225

This procedure, known as atherectomy, involves clearing out plaque buildup in the leg arteries. Plaque can restrict blood flow, causing discomfort and potential health issues. A special device is inserted into the artery to carefully remove the plaque, improving blood circulation.

17 services15 patients

Hospital Affiliations CMS Care Compare 4

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

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number220001

Location60 Hospital RoadLeominster, MA 01453 · Worcester County

Emergency services

Emerson Hospital -

Acute Care Hospitals · W Concord, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220084

Location133 Old Road To 9 Acre CornerW Concord, MA 01742 · Middlesex County

Emergency services Birthing friendly

Heywood Hospital

Acute Care Hospitals · Gardner, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220095

Location242 Green StreetGardner, MA 01440 · Worcester County

Emergency services Birthing friendly

Athol Memorial Hospital

Critical Access Hospitals · Athol, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number221303

Location2033 Main StreetAthol, MA 01331 · Worcester County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01453 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$73.22 typical visit price

range $19.11 – $144.84

Typical copayment $18.30 (range $4.77 – $36.21)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

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

KRISTIN D CABOT MSN, FNP-C

Nurse Practitioner (Family)

114 MERRIAM AVE STE 101
LEOMINSTER, MA 01453

Worcester County (978) 534-3399

LORI ROSE SLUSS NP

Nurse Practitioner (Family)

114 MERRIAM AVE STE 101
LEOMINSTER, MA 01453

Worcester County (978) 534-3399

STEPHEN J. HOENIG, MD, PC

Surgery (Vascular Surgery)

114 MERRIAM AVE STE 101
LEOMINSTER, MA 01453

Worcester County (978) 534-3399

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 Sebastiano Didato's NPI number?

The NPI number for Sebastiano Didato is 1356492474. It was assigned to this individual provider in the NPPES registry on January 16, 2007.

Where is Sebastiano Didato located?

Sebastiano Didato practices at 114 Merriam Ave Ste 101, Leominster, MA 01453. The listed phone number is (978) 534-3399.

What is Sebastiano Didato's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Sebastiano Didato enrolled in Medicare?

Yes. Sebastiano Didato is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sebastiano Didato's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sebastiano Didato reassigns Medicare benefits to 2 organizations: Stephen J. Hoenig, MD, PC (Leominster, MA) and Vascular Care Group LLC (Hyannis, MA). 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 Sebastiano Didato's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sebastiano Didato affiliated with any hospitals?

According to CMS data, Sebastiano Didato is affiliated with Umass Memorial Healthalliance Hospitals, Emerson Hospital -, Heywood Hospital and Athol Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Sebastiano Didato was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.