MICHAEL ISAAC SHRAGER MD
NPI 1508483504
Internal Medicine in Newton, MA

Q: What is Michael Shrager's NPI number?

The NPI number for Michael Shrager is 1508483504. It was assigned to this individual provider in the NPPES registry on June 25, 2020.

Q: What is Michael Shrager's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Michael Shrager was last updated on December 15, 2023. 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.

Active since June 25, 2020PECOS EnrolledAccepts Medicare Assignment

2000 WASHINGTON ST, NEWTON, MA 02462(617) 964-9070(617) 964-2435 Get Directions Write a Review

NPPES record last updated: December 15, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 15, 2023, Jun 25, 2020 (2 updates tracked since 2020).

On this page

About Michael Isaac Shrager Md NPPES

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

MICHAEL ISAAC SHRAGER MD (NPI 1508483504) is an individual internal medicine provider in Newton, Massachusetts, licensed in Massachusetts (284836) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1508483504

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMICHAEL ISAAC SHRAGERCredential: MD

Location Address2000 WASHINGTON STNewton, MA 02462-1650

Mailing Address125 Pleasant St Apt 106Brookline, MA 02446-7178 · (203) 435-2448

Phone(617) 964-9070

Fax(617) 964-2435

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateJune 25, 2020

Last NPPES UpdateDecember 15, 20232 updates tracked since enumeration

NPPES CertifiedDecember 15, 2023

✔ NPI 1508483504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in MA · 284836✔ Licensed in MA · 1014369

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.

2000 WASHINGTON ST, Newton, MA 02462

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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

Michael Isaac Shrager Md 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 ID7416363965

PECOS Enrollment IDI20240409002802

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 Reassignment

Medicare enrollment records show Michael Shrager reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mass General Brigham Medical Group Suburban Massachusetts Inc

Same address

Family Medicine

2014 WASHINGTON STREET
Newton, MA 02462

Reassigned Medicare billing, Massachusetts enrollment
992 clinicians in this Medicare group

NPI 1538191218 (617) 243-6262

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 12

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.

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.

154 services154 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.

102 services84 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.

49 services37 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

33 services33 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

33 services33 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.

29 services26 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.

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 services28 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.

25 services25 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.

25 services25 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

15 services15 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

14 services13 patients

Hospital Affiliations CMS Care Compare 4

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220101

Location2014 Washington StreetNewton, MA 02462 · Middlesex County

Emergency services Birthing friendly

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

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220119

Location1153 Centre StreetBoston, MA 02130 · Suffolk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02462 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.

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.

BRUCE ALDEN THAYER M.D.

Surgery

2000 WASHINGTON ST, SUITE 665
NEWTON, MA 02462

Middlesex County (617) 243-3724

DR. MATTHIAS BERNARD DONELAN MD

Plastic Surgery

2000 WASHINGTON ST
NEWTON LOWER FALLS, MA 02462

Middlesex County (617) 244-0990

DR. BRINDA TRIVEDI GUPTA MD

Pediatrics

2000 WASHINGTON ST, SUITE 466
NEWTON, MA 02462

Middlesex County (617) 969-8989

NEW ENGLAND EAR NOSE AND THROAT LLC

Otolaryngology (Otolaryngology/Facial Plastic Surgery)

2000 WASHINGTON ST, SUITE 544 WHITE BUILDING
NEWTON, MA 02462

Middlesex County (617) 910-0368

NICHOLAS MICHAEL MASCOLI III M.D.

Internal Medicine

2000 WASHINGTON ST, SUITE 546
NEWTON LOWER FALLS, MA 02462

Middlesex County (617) 964-5020

BRUCE M. LESLIE M.D.

Orthopaedic Surgery (Hand Surgery)

2000 WASHINGTON ST, SUITE 341
NEWTON, MA 02462

Middlesex County (617) 964-0024

TARA A GRABOWSKY M.D.

Internal Medicine

2000 WASHINGTON ST, SUITE 441
NEWTON, MA 02462

Middlesex County (617) 964-9070

ANN WANG-DOHLMAN, MD, PC

Allergy & Immunology (Allergy)

2000 WASHINGTON ST, SUITE 205
NEWTON, MA 02462

Middlesex County (617) 527-3440

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 Michael Shrager's NPI number?

The NPI number for Michael Shrager is 1508483504. It was assigned to this individual provider in the NPPES registry on June 25, 2020.

Where is Michael Shrager located?

Michael Shrager practices at 2000 Washington St, Newton, MA 02462. The listed phone number is (617) 964-9070.

What is Michael Shrager's specialty?

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

Is Michael Shrager enrolled in Medicare?

Yes. Michael Shrager 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 organization bills Medicare for Michael Shrager's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Shrager reassigns Medicare benefits to Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). The 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 Michael Shrager's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Shrager accept?

Health plans from Taro Health list Michael Shrager 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 Michael Shrager affiliated with any hospitals?

According to CMS data, Michael Shrager is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Michael Shrager was last updated on December 15, 2023. 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.