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DR. MARK OSTROWSKI PSY.D.
NPI 1700022324
Psychologist - Clinical in Stamford, CT

Active since January 02, 2009PECOS EnrolledAccepts Medicare Assignment
999 SUMMER ST, SUITE 200, STAMFORD, CT 06905(203) 967-4995(203) 357-9030 Get Directions Write a Review

NPPES record last updated: May 16, 2012. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Mark Ostrowski Psy.d. NPPES

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

DR. MARK OSTROWSKI PSY.D. (NPI 1700022324) is an individual clinical provider in Stamford, Connecticut, licensed in Connecticut (002433) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1700022324
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARK OSTROWSKICredential: PSY.D.
Location Address999 SUMMER ST, SUITE 200Stamford, CT 06905-5546
Mailing Address999 Summer St, Suite 200Stamford, CT 06905-5546 · (203) 967-4995 · Fax (203) 357-9030
Phone(203) 967-4995
Fax(203) 357-9030
Sole ProprietorYes
Medical School CMSOtherGraduated 2001
Enumeration DateJanuary 2, 2009
Last NPPES UpdateMay 16, 2012
✔ NPI 1700022324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CT · 002433
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
999 SUMMER ST, Stamford, CT 06905
Open in Google Maps ↗

Other Identifiers 1

Medicare PIN680001539CT

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

Dr. Mark Ostrowski Psy.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 ID4284686569
PECOS Enrollment IDI20050215000428
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06905 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
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

DR. THOMAS WILLIAM MANDERS DDS
Dentist (Endodontics)
999 SUMMER ST, SUITE 301
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 325-3636
SHIMRAT R NOTIK MD
Dermatology
999 SUMMER ST, STE 305
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 428-4440
DR. IRENE WONG DDS
Dentist (Endodontics)
999 SUMMER ST, SUITE 301
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 325-3636
DR. ANNA KARIDAS DDS
Dentist (General Practice)
999 SUMMER ST, SUITE 203
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 961-8140
PATRICK J CAHILL D.O.
Obstetrics & Gynecology
999 SUMMER ST, SUITE 401
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 353-9099
JANET J. HARTERY M.S., P.T.
Specialist
999 SUMMER ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 359-8326
BRITTANY D FINCH
Specialist
999 SUMMER ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 359-8326
ANDREW S. LOVIG PT
Physical Therapist
999 SUMMER ST, FIRST FLOOR
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 359-8326

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 Mark Ostrowski's NPI number?

The NPI number for Mark Ostrowski is 1700022324. It was assigned to this individual provider in the NPPES registry on January 2, 2009.

Where is Mark Ostrowski located?

Mark Ostrowski practices at 999 Summer St Suite 200, Stamford, CT 06905. The listed phone number is (203) 967-4995.

What is Mark Ostrowski's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Mark Ostrowski enrolled in Medicare?

Yes. Mark Ostrowski 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.

When was this NPI record last updated?

The NPPES record for Mark Ostrowski was last updated on May 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.