LOUIS OSTROWSKY
NPI 1306135082
Psychiatry & Neurology - Psychiatry in Cambridge, MA

Q: What is Louis Ostrowsky's NPI number?

The NPI number for Louis Ostrowsky is 1306135082. It was assigned to this individual provider in the NPPES registry on April 1, 2011.

Q: What is Louis Ostrowsky'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 Louis Ostrowsky was last updated on October 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 April 01, 2011PECOS EnrolledAccepts Medicare Assignment

86.26/100

CMS Quality Rating

1493 CAMBRIDGE ST, MACHT BUILDING ROOM 206, CAMBRIDGE, MA 02139(617) 665-1187 Get Directions Write a Review

NPPES record last updated: October 16, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Louis Ostrowsky NPPES

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

LOUIS OSTROWSKY (NPI 1306135082) is an individual psychiatry provider in Cambridge, Massachusetts, licensed in Massachusetts (257561) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2011).

NPPES Registry Identity

NPI1306135082

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameLOUIS OSTROWSKY

Location Address1493 CAMBRIDGE ST, MACHT BUILDING ROOM 206Cambridge, MA 02139-1047

Mailing Address1493 Cambridge St, Macht Building Room 206Cambridge, MA 02139-1047

Phone(617) 665-1187

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2011

Enumeration DateApril 1, 2011

Last NPPES UpdateOctober 16, 2015

✔ NPI 1306135082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MA · 257561

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1493 CAMBRIDGE ST, Cambridge, MA 02139

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Accepted Insurance

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

Louis Ostrowsky 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 ID4880994128

PECOS Enrollment IDI20151118002048

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

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 straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

36 services14 patients

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