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DR. ROSLYN CHOSAK M.D.
NPI 1528023181
Obstetrics & Gynecology - Gynecology in New Haven, CT

Active since April 18, 2006PECOS EnrolledAccepts Medicare Assignment
2 CHURCH ST S, SUITE 501, NEW HAVEN, CT 06519(203) 562-5439(203) 624-5157 Get Directions Write a Review

NPPES record last updated: November 10, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Roslyn Chosak M.d. NPPES

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

DR. ROSLYN CHOSAK M.D. (NPI 1528023181) is an individual gynecology provider in New Haven, Connecticut, licensed in Connecticut (022991) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Warren Alpert Medical School Of Brown University (1977).

NPPES Registry Identity

NPI1528023181
Entity TypeIndividualFemale
Primary Taxonomy207VG0400X
Provider Legal NameDR. ROSLYN CHOSAKCredential: M.D.
Location Address2 CHURCH ST S, SUITE 501New Haven, CT 06519-1717
Mailing Address2 Church St South, Suite 501New Haven, CT 06519-1717 · (203) 562-5439 · Fax (203) 624-5157
Phone(203) 562-5439
Fax(203) 624-5157
Sole ProprietorYes
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1977
Enumeration DateApril 18, 2006
Last NPPES UpdateNovember 10, 2010
✔ NPI 1528023181 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License✔ Licensed in CT · 022991
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
2 CHURCH ST S, New Haven, CT 06519
Open in Google Maps ↗

Other Identifiers 10

OtherPR02145640001CT · Cigna
Medicare UPINE28865
Other010022991CT02CT · Anthem
Medicare ID-Type Unspecified160001065
Other061364353CT · United Healthcare
Other1051396CT · Aetna
OtherOQ2292CT · Healthnet
Other764-353CT · Connecticare
Other06-1364353CT · Fed Tax Id
OtherNHP086CT · Oxford

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Roslyn Chosak 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 ID8628264207
PECOS Enrollment IDI20101122000546
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 Roslyn Chosak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Roslyn Chosak M.D.,l.L.C.
0.2 mi
Specialist
2 CHURCH ST S, SUITE 501
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
NPI 1205137783 (203) 562-5439

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 2

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.
198 services151 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
98 services98 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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.

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.

YALE DERMATOLOGY ASSOCIATES PC
Dermatology
2 CHURCH ST S, SUITE 305
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 789-1249
MS. SUSAN DEBARGE CNM
Advanced Practice Midwife
2 CHURCH ST S, #209
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 787-2264
PAULINA ROSE RD CDN
Dietitian, Registered
2 CHURCH ST S, SUITE 511
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 764-9199
LESLIE JACOBSEN M.D.
Psychiatry & Neurology (Psychiatry)
2 CHURCH ST S, SUITE 207
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 764-8480
MARY SAVOYE RD
Dietitian, Registered (Nutrition, Pediatric)
2 CHURCH ST S, SUITE 404
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 764-6767
DR. DENISE TONZOLA
Obstetrics & Gynecology
2 CHURCH ST S, #209
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 787-2264
ANNE M LOVEJOY PA-C
Physician Assistant (Medical)
2 CHURCH ST S, SUITE 515
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 764-7000
KRISTIN ADAMS SIKES APRN
Nurse Practitioner (Pediatrics)
2 CHURCH ST S, SUITE 404
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 764-6747

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 Roslyn Chosak's NPI number?

The NPI number for Roslyn Chosak is 1528023181. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is Roslyn Chosak located?

Roslyn Chosak practices at 2 Church St S Suite 501, New Haven, CT 06519. The listed phone number is (203) 562-5439.

What is Roslyn Chosak's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Roslyn Chosak enrolled in Medicare?

Yes. Roslyn Chosak 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 Roslyn Chosak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Roslyn Chosak reassigns Medicare benefits to Roslyn Chosak M.D.,l.L.C. (New Haven, CT). 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 Roslyn Chosak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Roslyn Chosak accept?

Health plans from Anthem Blue Cross and Blue Shield list Roslyn Chosak 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.

When was this NPI record last updated?

The NPPES record for Roslyn Chosak was last updated on November 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.