AMY GRZYSIEWICZ D.O.
NPI 1558521807
Family Medicine in Portland, ME

Q: What is Amy Grzysiewicz's NPI number?

The NPI number for Amy Grzysiewicz is 1558521807. It was assigned to this individual provider in the NPPES registry on June 11, 2008.

Q: What is Amy Grzysiewicz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Amy Grzysiewicz was last updated on March 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since June 11, 2008PECOS EnrolledAccepts Medicare Assignment

331 VERANDA ST, PORTLAND, ME 04103(072) 828-2402 Get Directions Write a Review

NPPES record last updated: March 1, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 1, 2023, Mar 25, 2016 (2 updates tracked since 2016).

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About Amy Grzysiewicz D.o. NPPES

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

AMY GRZYSIEWICZ D.O. (NPI 1558521807) is an individual family medicine provider in Portland, Maine, licensed in Maine (2232) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Northern Light Health, and is a graduate of University Of New England, College Of Osteo Medicine (2008).

NPPES Registry Identity

NPI1558521807

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameAMY GRZYSIEWICZCredential: D.O.

Location Address331 VERANDA STPortland, ME 04103-5545

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

Phone(072) 828-2402

Sole ProprietorNo

Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2008

Enumeration DateJune 11, 2008

Last NPPES UpdateMarch 1, 20232 updates tracked since enumeration

NPPES CertifiedMarch 1, 2023

✔ NPI 1558521807 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in ME · 2232

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

331 VERANDA ST, Portland, ME 04103

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Accepted Insurance

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

Amy Grzysiewicz D.o. 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 ID6305017005

PECOS Enrollment IDI20110928000524

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 Amy Grzysiewicz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Martin's Point Health Care, Inc.

0.1 mi

Family Medicine

331 VERANDA ST
Portland, ME 04104

Reassigned Medicare billing, Maine enrollment
153 clinicians in this Medicare group

NPI 1366474611 (207) 791-3888

York Hospital

43 mi

General Acute Care Hospital

15 HOSPITAL DR
York, ME 03909

Reassigned Medicare billing, Maine enrollment
347 clinicians in this Medicare group

NPI 1376528398 (207) 361-2398

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 16

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.

165 services88 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.

119 services75 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.

88 services73 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.

66 services56 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.

59 services59 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.

38 services33 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.

34 services25 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.

33 services25 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.

32 services32 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

28 services28 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

28 services28 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.

28 services26 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.

20 services17 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.

17 services14 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.

16 services15 patients

Bacterial colony count, urine 87086

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

12 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Northern Light Health

Acute Care Hospitals · Portland, ME

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number200008

Location144 State StreetPortland, ME 04101 · Cumberland County

Emergency services Birthing friendly

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 04103 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

$99.18 typical visit price

range $18.22 – $138.92

Typical copayment $24.79 (range $4.55 – $34.73)

Most-billed visit code 99214

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 13

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

7 suppliers18 claims44 services$5.69 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

5 suppliers19 claims19 services$33.01 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

6 suppliers20 claims20 services$83.37 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

5 suppliers16 claims41 services$34.49 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

5 suppliers14 claims14 services$18.07 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

6 suppliers24 claims144 services$2.01 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.

LINDA K MORRISON MD

Ophthalmology

331 VERANDA ST
PORTLAND, ME 04103

Cumberland County (207) 828-2402

MR. DAVID GHIORSE PA-C

Physician Assistant

331 VERANDA ST, MARTINS POINT HEALTH CARE
PORTLAND, ME 04103

Cumberland County (207) 828-2402

CARLEEN KNIGHT NP

Nurse Practitioner

331 VERANDA ST
PORTLAND, ME 04103

Cumberland County (207) 828-2402

JOSHUA GELFAND DPT

Physical Therapist

331 VERANDA ST, BUILDING 6, ROOM 3311
PORTLAND, ME 04103

Cumberland County (207) 536-0702

JAMES MCILHENNY RIDDLEBERGER M.D.

Family Medicine

331 VERANDA ST
PORTLAND, ME 04103

Cumberland County (207) 828-2402

GEORGE NICHOLAS WELCH MD

Internal Medicine (Cardiovascular Disease)

331 VERANDA ST
PORTLAND, ME 04103

Cumberland County (207) 828-2402

DR. DOUGLAS COUPER MD

Internal Medicine

331 VERANDA ST
PORTLAND, ME 04103

Cumberland County (207) 791-3796

DR. WILLIAM R WADLAND MD

Family Medicine (Geriatric Medicine)

331 VERANDA ST
PORTLAND, ME 04103

Cumberland County (207) 828-2402

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 Amy Grzysiewicz's NPI number?

The NPI number for Amy Grzysiewicz is 1558521807. It was assigned to this individual provider in the NPPES registry on June 11, 2008.

Where is Amy Grzysiewicz located?

Amy Grzysiewicz practices at 331 Veranda St, Portland, ME 04103. The listed phone number is (072) 828-2402.

What is Amy Grzysiewicz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Amy Grzysiewicz enrolled in Medicare?

Yes. Amy Grzysiewicz 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 Amy Grzysiewicz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amy Grzysiewicz reassigns Medicare benefits to 2 organizations: Martin's Point Health Care, Inc. (Portland, ME) and York Hospital (York, ME). 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 Amy Grzysiewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Amy Grzysiewicz accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Amy Grzysiewicz 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 Amy Grzysiewicz affiliated with any hospitals?

According to CMS data, Amy Grzysiewicz is affiliated with Northern Light Health and Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Amy Grzysiewicz was last updated on March 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.