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NATHAN P VASSILL PA-C
NPI 1528371473
Physician Assistant in Somersworth, NH

Active since July 21, 2010PECOS EnrolledAccepts Medicare Assignment
7 MARSH BROOK DR, SUITE 100, SOMERSWORTH, NH 03878(603) 742-2007(603) 749-4605 Get Directions Write a Review

NPPES record last updated: November 15, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Nathan P Vassill Pa-c NPPES

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

NATHAN P VASSILL PA-C (NPI 1528371473) is an individual physician assistant in Somersworth, New Hampshire and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Wentworth-douglass Hospital, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1528371473
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameNATHAN P VASSILLCredential: PA-C
Location Address7 MARSH BROOK DR, SUITE 100Somersworth, NH 03878-6523
Mailing Address7 Marsh Brook Dr, Suite 205Somersworth, NH 03878-6523 · (603) 742-2007 · Fax (603) 749-4605
Phone(603) 742-2007
Fax(603) 749-4605
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJuly 21, 2010
Last NPPES UpdateNovember 15, 2014
✔ NPI 1528371473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
7 MARSH BROOK DR, Somersworth, NH 03878
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathan P Vassill Pa-c 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 ID2567658230
PECOS Enrollment IDI20101119000640
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.

Areas of Expertise CMS Part B claims 10

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, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
338 services71 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.
121 services113 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.
88 services87 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
85 services58 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
66 services40 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.
43 services43 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03878 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.

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.
91%516 patients4/55-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.
99%103 patients5/55-star benchmark: 99%
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…
90%166 patients5/55-star benchmark: 88%
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.
81%102 patients1/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
16%533 patients1/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
17%262 patients1/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 95% · 58 patients
64%58 patients3/55-star benchmark: 98%
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…
74%318 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
19%318 patients1/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
41%533 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
1 supplier26 claims26 services$42.60 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.

JULIA S HENRY PT
Physical Therapist
7 MARSH BROOK DR, SUITE 101
SOMERSWORTH, NH 03878
Strafford County (603) 749-6686
AMY MA
Occupational Therapist
7 MARSH BROOK DR, SUITE 101
SOMERSWORTH, NH 03878
Strafford County (603) 749-6686
NOAH CHASSE SAFFORD ATC, LAT
Specialist/Technologist (Athletic Trainer)
7 MARSH BROOK DR
SOMERSWORTH, NH 03878
Strafford County (603) 742-2007
JACOB MICKEY MS, ATC, CSCS, CES
Specialist/Technologist (Athletic Trainer)
7 MARSH BROOK DR
SOMERSWORTH, NH 03878
Strafford County (603) 742-2007
DR. MARK J GEPPERT M.D.
Orthopaedic Surgery
7 MARSH BROOK DR, SUITE 100
SOMERSWORTH, NH 03878
Strafford County (603) 742-2007
KRISTIE ROWLEY
Physical Therapist
7 MARSH BROOK DR, SUITE 101
SOMERSWORTH, NH 03878
Strafford County (603) 749-6686
WILLIAM A OLLAR DO
Anesthesiology
7 MARSH BROOK DR, SUITE 10
SOMERSWORTH, NH 03878
Strafford County (603) 749-7246
ANITA M WEITENDORF PA-C
Physician Assistant
7 MARSH BROOK DR
SOMERSWORTH, NH 03878
Strafford County (603) 742-2007

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 Nathan Vassill's NPI number?

The NPI number for Nathan Vassill is 1528371473. It was assigned to this individual provider in the NPPES registry on July 21, 2010.

Where is Nathan Vassill located?

Nathan Vassill practices at 7 Marsh Brook Dr Suite 100, Somersworth, NH 03878. The listed phone number is (603) 742-2007.

What is Nathan Vassill's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Nathan Vassill enrolled in Medicare?

Yes. Nathan Vassill 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.

What insurance does Nathan Vassill accept?

Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield and WellSense Health Plan list Nathan Vassill 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 Nathan Vassill affiliated with any hospitals?

According to CMS data, Nathan Vassill is affiliated with Wentworth-Douglass Hospital.

When was this NPI record last updated?

The NPPES record for Nathan Vassill was last updated on November 15, 2014. 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.