MIKAYLA GRASSIA PA-C
NPI 1265145593
Physician Assistant in Manchester, NH

Active since January 02, 2023PECOS EnrolledAccepts Medicare Assignment
738 HOOKSETT RD, MANCHESTER, NH 03104(603) 384-3900(603) 384-3912 Get Directions Write a Review

NPPES record last updated: February 21, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mikayla Grassia Pa-c NPPES

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

MIKAYLA GRASSIA PA-C (NPI 1265145593) is an individual physician assistant in Manchester, New Hampshire and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS, is affiliated with Wentworth-douglass Hospital, and maintains a secondary practice location in Manchester.

NPPES Registry Identity

NPI1265145593
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMIKAYLA GRASSIACredential: PA-C
Location Address738 HOOKSETT RDManchester, NH 03104-2617
Mailing Address360 Us Highway 1 Byp Unit 102Portsmouth, NH 03801-7105 · (603) 410-6700 · Fax (603) 319-8303
Fax(603) 384-3912
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJanuary 2, 2023
Last NPPES UpdateFebruary 21, 2024
NPPES CertifiedFebruary 21, 2024
NPI 1265145593 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.
738 HOOKSETT RD, Manchester, NH 03104

Secondary Practice Location 1

Location 11260 Elm StManchester, NH 03101-1305 · Phone (603) 641-0900

Accepted 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

Mikayla Grassia 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 ID5294171955
PECOS Enrollment IDI20240315003133
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 2

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.
27 services27 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.
23 services23 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 03104 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.

Other Providers at the Same Location NPPES 7

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

Nurse Practitioner (Family)
738 HOOKSETT RD
MANCHESTER, NH 03104
Physician Assistant
738 HOOKSETT RD
MANCHESTER, NH 03104
Nurse Practitioner (Family)
738 HOOKSETT RD
MANCHESTER, NH 03104
Clinic/Center (Urgent Care)
738 HOOKSETT RD
MANCHESTER, NH 03104
Nurse Practitioner
738 HOOKSETT RD
MANCHESTER, NH 03104
Clinic/Center (Urgent Care)
738 HOOKSETT RD
MANCHESTER, NH 03104
Physician Assistant
738 HOOKSETT RD
MANCHESTER, NH 03104

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 Mikayla Grassia's NPI number?

The NPI number for Mikayla Grassia is 1265145593. It was assigned to this individual provider in the NPPES registry on January 2, 2023.

Where is Mikayla Grassia located?

Mikayla Grassia practices at 738 Hooksett Rd, Manchester, NH 03104. The listed phone number is (603) 384-3900.

What is Mikayla Grassia's specialty?

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

Is Mikayla Grassia enrolled in Medicare?

Yes. Mikayla Grassia 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 Mikayla Grassia accept?

Health plans from WellSense Health Plan list Mikayla Grassia 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 Mikayla Grassia affiliated with any hospitals?

According to CMS data, Mikayla Grassia is affiliated with Wentworth-Douglass Hospital.

When was this NPI record last updated?

The NPPES record for Mikayla Grassia was last updated on February 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.