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MARY R SHOEMAKER M.D.
NPI 1912121476
Internal Medicine in Canton, MA

Active since April 13, 2007PECOS EnrolledAccepts Medicare Assignment
4 WASHINGTON ST STE A, CANTON, MA 02021(781) 784-9212 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jan 29, 2026, Jan 25, 2023 (2 updates tracked since 2023).

About Mary R Shoemaker M.d. NPPES

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

MARY R SHOEMAKER M.D. (NPI 1912121476) is an individual internal medicine provider in Canton, Massachusetts, licensed in Massachusetts (221409) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Sturdy Memorial Hospital, and is a graduate of Yale University School Of Medicine (1995).

NPPES Registry Identity

NPI1912121476
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARY R SHOEMAKERCredential: M.D.
Location Address4 WASHINGTON ST STE ACanton, MA 02021-4004
Mailing Address4 Washington St Ste ACanton, MA 02021-4004 · (781) 784-9212
Phone(781) 784-9212
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 1995
Enumeration DateApril 13, 2007
Last NPPES UpdateJanuary 29, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 29, 2026
✔ NPI 1912121476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 221409
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4 WASHINGTON ST STE A, Canton, MA 02021
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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.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

Mary R Shoemaker M.d. 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 ID1951360809
PECOS Enrollment IDI20150804003804
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.

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.
380 services204 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.
145 services145 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.
86 services69 patients
Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005
An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.
37 services31 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.
33 services33 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
28 services28 patients

Hospital Affiliations CMS Care Compare 5

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

Sturdy Memorial Hospital

Acute Care Hospitals · Attleboro, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220008
Location211 Park StreetAttleboro, MA 02703 · Bristol County
Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220083
Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County
Emergency services

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Milton

Acute Care Hospitals · Milton, MA
4/5 CMS rating
OwnershipGovernment - Federal
CMS Certification Number220108
Location199 Reedsdale RoadMilton, MA 02186 · Norfolk County
Emergency services

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02021 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

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

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
85%350 patients4/55-star benchmark: 96%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
71%480 patients3/55-star benchmark: 99%
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.
99%2,476 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.
95%1,586 patients4/55-star benchmark: 100%
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…
9%262 patients1/55-star benchmark: 96%
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.
97%317 patients4/55-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.
38%449 patients2/55-star benchmark: 99%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
69%267 patients3/55-star benchmark: 95%
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…
28%1,133 patients2/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
80%863 patients4/55-star benchmark: 100%
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…
100%449 patients5/55-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…
45%449 patients4/55-star benchmark: 59%
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 4

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
10 suppliers44 claims99 services$5.71 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers15 claims20 services$1.17 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers13 claims15 services$3.16 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
4 suppliers13 claims13 services$24.02 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 Mary Shoemaker's NPI number?

The NPI number for Mary Shoemaker is 1912121476. It was assigned to this individual provider in the NPPES registry on April 13, 2007.

Where is Mary Shoemaker located?

Mary Shoemaker practices at 4 Washington St Ste A, Canton, MA 02021. The listed phone number is (781) 784-9212.

What is Mary Shoemaker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mary Shoemaker enrolled in Medicare?

Yes. Mary Shoemaker 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 Mary Shoemaker accept?

Health plans from Anthem Blue Cross and Blue Shield list Mary Shoemaker 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 Mary Shoemaker affiliated with any hospitals?

According to CMS data, Mary Shoemaker is affiliated with Sturdy Memorial Hospital, Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center, Beth Israel Deaconess Hospital - Milton and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Mary Shoemaker was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.