MRS. DOROTHY B. MCGRATH PA-C
NPI 1780641332
Physician Assistant in Portsmouth, NH

Q: What is Dorothy Mcgrath's NPI number?

The NPI number for Dorothy Mcgrath is 1780641332. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Q: What is Dorothy Mcgrath's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dorothy Mcgrath was last updated on June 3, 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 April 27, 2006PECOS EnrolledAccepts Medicare Assignment

161 CORPORATE DR, PORTSMOUTH, NH 03801(603) 431-5154(603) 430-5033 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 3, 2026, Mar 2, 2023, Jan 4, 2022 and 1 more (4 updates tracked since 2018).

On this page

About Mrs. Dorothy B. Mcgrath Pa-c NPPES

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

MRS. DOROTHY B. MCGRATH PA-C (NPI 1780641332) is an individual physician assistant in Portsmouth, New Hampshire, licensed in New Hampshire (0577) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with York Hospital, and maintains a secondary practice location in Portsmouth.

NPPES Registry Identity

NPI1780641332

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMRS. DOROTHY B. MCGRATHCredential: PA-C

Location Address161 CORPORATE DRPortsmouth, NH 03801-6825

Mailing AddressPo Box 9746Portland, ME 04104-5040 · (207) 791-3888

Phone(603) 431-5154

Fax(603) 430-5033

Sole ProprietorNo

Medical School CMSOtherGraduated 2001

Enumeration DateApril 27, 2006

Last NPPES UpdateJune 3, 20264 updates tracked since enumeration

NPPES CertifiedJune 3, 2026

✔ NPI 1780641332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in NH · 0577

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 0577 (NH)

161 CORPORATE DR, Portsmouth, NH 03801

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Secondary Practice Location 1

Location 11600 Woodbury AvePortsmouth, NH 03801-3250 · Phone (603) 602-9070 · Fax (603) 810-6881

Other Identifiers 2

Medicaid432427999ME

Medicaid3082893NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield.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

Mrs. Dorothy B. Mcgrath 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 ID9133137748

PECOS Enrollment IDI20060323000387, I20221004001642

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 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.

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.

285 services163 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

146 services94 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.

133 services108 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

129 services96 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

108 services86 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.

108 services108 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

60 services48 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

52 services35 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

46 services38 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.

35 services22 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

34 services30 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.

34 services34 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

26 services22 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

25 services21 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

20 services18 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

19 services14 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

19 services14 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.

19 services19 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

18 services12 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

18 services12 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

18 services12 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.

14 services14 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

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

Exeter Hospital Inc

Acute Care Hospitals · Exeter, NH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number300023

Location5 Alumni DriveExeter, NH 03833 · Rockingham 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 03801 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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

6 suppliers22 claims58 services$4.58 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier11 claims11 services$4.48 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

4 suppliers11 claims11 services$23.69 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.

THOMAS W PERREAULT DPT

Physical Therapist (Orthopedic)

161 CORPORATE DR, STE B
PORTSMOUTH, NH 03801

Rockingham County (603) 501-0581

JANET NADEAU-LEAVITT

Pharmacist

161 CORPORATE DR
PORTSMOUTH, NH 03801

Rockingham County (603) 436-0562

CECILE DANIELLE YOUNES DPT

Physical Therapist

161 CORPORATE DR, STE B
PORTSMOUTH, NH 03801

Rockingham County (603) 501-0581

DANIEL J FLEURY

Physical Therapist

161 CORPORATE DR, STE B
PORTSMOUTH, NH 03801

Rockingham County (603) 501-0581

ALYSSA B RIGAZIO

Physical Therapist

161 CORPORATE DR, STE B
PORTSMOUTH, NH 03801

Rockingham County (603) 501-0581

MS. MARCY STARLING PA

Physician Assistant

161 CORPORATE DR
PORTSMOUTH, NH 03801

Rockingham County (603) 431-5154

HANNAH M HAYES DPT

Physical Therapist

161 CORPORATE DR, STE B
PORTSMOUTH, NH 03801

Rockingham County (603) 501-0581

DR. ELIZABETH REMILLONG MD

Family Medicine

161 CORPORATE DR
PORTSMOUTH, NH 03801

Rockingham County (603) 431-5154

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 Dorothy Mcgrath's NPI number?

The NPI number for Dorothy Mcgrath is 1780641332. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Dorothy Mcgrath located?

Dorothy Mcgrath practices at 161 Corporate Dr, Portsmouth, NH 03801. The listed phone number is (603) 431-5154.

What is Dorothy Mcgrath's specialty?

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

Is Dorothy Mcgrath enrolled in Medicare?

Yes. Dorothy Mcgrath 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 Dorothy Mcgrath accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield list Dorothy Mcgrath 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 Dorothy Mcgrath affiliated with any hospitals?

According to CMS data, Dorothy Mcgrath is affiliated with York Hospital, Wentworth-Douglass Hospital, Exeter Hospital Inc and Portsmouth Regional Hospital.

When was this NPI record last updated?

The NPPES record for Dorothy Mcgrath was last updated on June 3, 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.