RITOBAN SEN MD
NPI 1306076765
Surgery - Vascular Surgery in Dover, NH

Q: What is Ritoban Sen's NPI number?

The NPI number for Ritoban Sen is 1306076765. It was assigned to this individual provider in the NPPES registry on July 20, 2009.

Q: What is Ritoban Sen'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 Ritoban Sen was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 July 20, 2009PECOS EnrolledAccepts Medicare Assignment

10 MEMBERS WAY STE 301, DOVER, NH 03820(603) 516-4265 Get Directions Write a Review

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

Record update history: Aug 25, 2026, Jan 19, 2021, Jan 31, 2017 (3 updates tracked since 2017).

On this page

About Ritoban Sen Md NPPES

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

RITOBAN SEN MD (NPI 1306076765) is an individual vascular surgery provider in Dover, New Hampshire, licensed in New Hampshire (17854) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with York Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1306076765

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameRITOBAN SENCredential: MD

Location Address10 MEMBERS WAY STE 301Dover, NH 03820-5933

Mailing AddressPo Box 412503Boston, MA 02241-2503

Phone(603) 516-4265

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateJuly 20, 2009

Last NPPES UpdateAugust 25, 20263 updates tracked since enumeration

NPPES CertifiedAugust 25, 2026

✔ NPI 1306076765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in NH · 17854

Definition

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

10 MEMBERS WAY STE 301, Dover, NH 03820

Open in Google Maps ↗

Secondary Practice Locations 2

Location 167 Corporate Dr Ste 200Portsmouth, NH 03801-2847 · Phone (603) 609-6685

Location 255 Fruit StBoston, MA 02114-2696 · Phone (617) 726-8278

Other Identifiers 1

Medicaid3106878NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro 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

Ritoban Sen 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 ID1355663162

PECOS Enrollment IDI20161216000554

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 Ritoban Sen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Wentworth Douglass Physician Corporation

Same address

Diabetes Educator

10 MEMBERS WAY FL 5
Dover, NH 03820

Reassigned Medicare billing, New Hampshire enrollment
559 clinicians in this Medicare group

NPI 1336751825 (603) 609-6800

Appledore Medical Group Dba Woodbury Family Practice

8.4 mi

Family Medicine

101 SHATTUCK WAY, SUITE 6
Newington, NH 03801

Reassigned Medicare billing, New Hampshire enrollment
Medicare enrollment name: Appledore Medical Group Inc
185 clinicians in this Medicare group

NPI 1225232184 (603) 430-0060

Massachusetts General Physicians Organization Inc

59 mi

Dermatology

55 FRUIT ST, BUL 2
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
6,360 clinicians in this Medicare group

NPI 1801874573 (617) 724-0287

The General Hospital Corporation

59 mi

General Acute Care Hospital

55 FRUIT ST, BULFINCH 360
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
6,234 clinicians in this Medicare group

NPI 1023049236 (617) 726-2000

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 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.

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.

159 services153 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.

124 services121 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.

103 services73 patients

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

93 services92 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.

84 services71 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.

58 services58 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.

51 services51 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

50 services48 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

49 services32 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.

48 services46 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.

46 services43 patients

Ultrasound scan of abdominal aorta 76706

An ultrasound scan of the abdominal aorta is a non-invasive imaging test. It uses sound waves to create pictures of the main blood vessel in your abdomen, the aorta, to check its size and shape. This helps detect any abnormalities or issues early.

44 services44 patients

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

35 services35 patients

Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist 36902

This procedure involves inserting a needle or tube into your hemodialysis circuit, a system that cleans your blood when your kidneys can't. A balloon is then used to widen a narrow section of this circuit. A radiologist reviews the procedure to ensure accuracy.

31 services20 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.

27 services23 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.

26 services17 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.

25 services25 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.

23 services23 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.

16 services15 patients

Relocation of arm vein with connection to arm artery for hemodialysis 36821

This procedure involves moving a vein in your arm and connecting it to an artery. This creates a larger, stronger vein that can be used for hemodialysis, a treatment for kidney disease. It helps clean your blood when your kidneys can't.

15 services14 patients

Ultrasound of both sides of head and neck blood flow 93880

15 services15 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

15 services15 patients

Hospital Affiliations CMS Care Compare 4

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

York Hospital

Acute Care Hospitals · York, ME

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number200020

Location15 Hospital DriveYork, ME 03909 · York County

Emergency services Birthing friendly

Frisbie Memorial Hospital

Acute Care Hospitals · Rochester, NH

2/5 CMS rating

OwnershipProprietary

CMS Certification Number300014

Location11 Whitehall RoadRochester, NH 03867 · Strafford County

Emergency services

Wentworth-Douglass Hospital

Acute Care Hospitals · Dover, NH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300018

Location789 Central AveDover, NH 03820 · Strafford County

Emergency services Birthing friendly

Portsmouth Regional Hospital

Acute Care Hospitals · Portsmouth, NH

3/5 CMS rating

OwnershipProprietary

CMS Certification Number300029

Location333 Borthwick AvePortsmouth, NH 03801 · Rockingham County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03820 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

$89.14 typical visit price

range $57.75 – $174.26

Typical copayment $22.28 (range $14.43 – $43.56)

Most-billed visit code 99203

Established Patient

$71.85 typical visit price

range $18.70 – $142.15

Typical copayment $17.96 (range $4.67 – $35.53)

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.

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 Ritoban Sen's NPI number?

The NPI number for Ritoban Sen is 1306076765. It was assigned to this individual provider in the NPPES registry on July 20, 2009.

Where is Ritoban Sen located?

Ritoban Sen practices at 10 Members Way Ste 301, Dover, NH 03820. The listed phone number is (603) 516-4265.

What is Ritoban Sen's specialty?

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

Is Ritoban Sen enrolled in Medicare?

Yes. Ritoban Sen 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 Ritoban Sen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ritoban Sen reassigns Medicare benefits to 4 organizations: Wentworth Douglass Physician Corporation (Dover, NH), Appledore Medical Group Dba Woodbury Family Practice (Newington, NH), Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, 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 Ritoban Sen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ritoban Sen accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Ritoban Sen 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 Ritoban Sen affiliated with any hospitals?

According to CMS data, Ritoban Sen is affiliated with York Hospital, Frisbie Memorial Hospital, Wentworth-Douglass Hospital and Portsmouth Regional Hospital.

When was this NPI record last updated?

The NPPES record for Ritoban Sen was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.