Roslyn Chosak, M.D.
NPI 1528023181 · Gynecology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roslyn Chosak, M.D. is a Gynecology Physician provider in New Haven, CT (NPI 1528023181).
Provider details
- NPI number
- 1528023181
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 022991 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
393 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 198 | $134 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 98 | $41 |
| Pelvic Exam99459 | 97 | $24 |
Typical Medicare-allowed amounts for these services range $24–$134 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 113 | 45 |
| Estrogens, Conjugatedbrand: Premarin | 58 | 22 |
| Estradiolbrand: Estradiol (twice Weekly) | 40 | 14 |
| Progesterone, Micronizedbrand: Progesterone | 38 | 13 |
| Alendronate Sodium | 35 | 12 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 35 | 22 |
| Nystatin/Triamcinolone Acetbrand: Nystatin-Triamcinolone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$221 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-18
- Last updated
- 2010-11-10
Frequently asked questions
- What is Roslyn Chosak's NPI number?
- Roslyn Chosak's National Provider Identifier (NPI) is 1528023181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roslyn Chosak's specialty?
- Roslyn Chosak is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Roslyn Chosak located?
- Roslyn Chosak's practice location on file with NPPES is 2 Church St S, New Haven, CT 06519-1717.
- What is Roslyn Chosak's phone number?
- The practice phone number listed in the NPPES registry for Roslyn Chosak is (203) 562-5439.
- Does Roslyn Chosak accept Medicare?
- Roslyn Chosak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roslyn Chosak's NPI active?
- Yes — Roslyn Chosak's NPI (1528023181) is active in the NPPES registry as of the last update on 2010-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.