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MARGARET SHANNON GRIFFIN PA-C
NPI 1124593249
Physician Assistant in Biddeford, ME

Active since October 04, 2018PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
24 WEST COLE RD STE 104, BIDDEFORD, ME 04005(207) 283-1602 Get Directions Write a Review

NPPES record last updated: November 1, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 1, 2021, Mar 21, 2019, Oct 4, 2018 (3 updates tracked since 2018).

About Margaret Shannon Griffin Pa-c NPPES

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

MARGARET SHANNON GRIFFIN PA-C (NPI 1124593249) is an individual physician assistant in Biddeford, Maine, licensed in Maine (1907) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1124593249
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARGARET SHANNON GRIFFINCredential: PA-C
Location Address24 WEST COLE RD STE 104Biddeford, ME 04005
Mailing Address24 West Cole Rd Ste 104Biddeford, ME 04005 · (207) 283-1602 · Fax (207) 282-6835
Phone(207) 283-1602
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateOctober 4, 2018
Last NPPES UpdateNovember 1, 20213 updates tracked since enumeration
NPPES CertifiedNovember 1, 2021
✔ NPI 1124593249 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
Licenses✔ Licensed in ME · 1907✔ Licensed in ME · 1903
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 ListedEmergency MedicineTaxonomy 207P00000X · License 1408 (NH)
24 WEST COLE RD STE 104, Biddeford, ME 04005
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Other Names 1

Former Name (1)Margaret Shannon White

Secondary Practice Locations 2

Location 1789 Central AveDover, NH 03820-2526 · Phone (603) 868-8507
Location 224 W Cole Rd Ste 104Biddeford, ME 04005 · Phone (970) 596-4504

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

Margaret Shannon Griffin 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 ID3274886767
PECOS Enrollment IDI20190409001963
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 4

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.
402 services265 patients
Ultrasound measurement of bladder capacity after voiding 51798
Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.
311 services208 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.
188 services152 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.
83 services66 patients

Hospital Affiliations CMS Care Compare

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

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04005 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
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
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.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 5

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

Urinary catheter anchoring device, leg strap, each A4334
DME-Orthotic Devices · category DF000N
1 supplier12 claims12 services$4.76 avg. paid by Medicare
Indwelling catheter; foley type, two-way latex with coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4338
DME-Orthotic Devices · category DF000N
1 supplier12 claims12 services$11.54 avg. paid by Medicare
Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352
DME-Orthotic Devices · category DF008N
2 suppliers11 claims1,320 services$3.83 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
2 suppliers16 claims48 services$7.64 avg. paid by Medicare
Urinary drainage bag, leg or abdomen, vinyl, with or without tube, with straps, each A4358
DME-Orthotic Devices · category DF000N
2 suppliers16 claims30 services$4.96 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Margaret Griffin's NPI number?

The NPI number for Margaret Griffin is 1124593249. It was assigned to this individual provider in the NPPES registry on October 4, 2018. The provider is also known as Margaret Shannon White.

Where is Margaret Griffin located?

Margaret Griffin practices at 24 West Cole Rd Ste 104, Biddeford, ME 04005. The listed phone number is (207) 283-1602.

What is Margaret Griffin's specialty?

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

Is Margaret Griffin enrolled in Medicare?

Yes. Margaret Griffin 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.

Is Margaret Griffin affiliated with any hospitals?

According to CMS data, Margaret Griffin is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Margaret Griffin was last updated on November 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.