MARIKO SHIMIZU
NPI 1750813861
Psychiatry & Neurology - Psychiatry in Cambridge, MA

Q: What is Mariko Shimizu's NPI number?

The NPI number for Mariko Shimizu is 1750813861. It was assigned to this individual provider in the NPPES registry on March 28, 2017.

Q: What is Mariko Shimizu's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Mariko Shimizu was last updated on October 9, 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 March 28, 2017PECOS EnrolledAccepts Medicare Assignment

86.26/100

CMS Quality Rating

1493 CAMBRIDGE ST, CAMBRIDGE, MA 02139(617) 665-1000 Get Directions Write a Review

NPPES record last updated: October 9, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 9, 2023, Jul 25, 2022, Mar 28, 2017 (3 updates tracked since 2017).

On this page

About Mariko Shimizu NPPES

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

MARIKO SHIMIZU (NPI 1750813861) is an individual psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (286594) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Cambridge Health Alliance, and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2017).

NPPES Registry Identity

NPI1750813861

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameMARIKO SHIMIZU

Location Address1493 CAMBRIDGE STCambridge, MA 02139-1099

Mailing Address1493 Cambridge StCambridge, MA 02139-1099 · (617) 665-1000

Phone(617) 665-1000

Sole ProprietorNo

Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2017

Enumeration DateMarch 28, 2017

Last NPPES UpdateOctober 9, 20233 updates tracked since enumeration

NPPES CertifiedOctober 9, 2023

✔ NPI 1750813861 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in MA · 286594✔ Licensed in HI · MD-22378

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

1493 CAMBRIDGE ST, Cambridge, MA 02139

Open in Google Maps ↗

Accepted Insurance

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

Mariko Shimizu 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 ID7618241324

PECOS Enrollment IDI20230907000574

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

181 services32 patients

Psychiatric diagnostic evaluation with medical services 90792

A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.

37 services37 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

31 services16 patients

Hospital Affiliations CMS Care Compare

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

Cambridge Health Alliance

Acute Care Hospitals · Cambridge, MA

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number220011

Location1493 Cambridge StreetCambridge, MA 02138 · Middlesex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02139 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

$189.86 typical visit price

range $63.72 – $189.86

Typical copayment $47.46 (range $15.93 – $47.46)

Most-billed visit code 99205

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

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.

86.26/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

78.84

Promoting Interoperability

100

Improvement Activities

Cost

58.7

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.

ZACHARY OLIFF DO

Emergency Medicine