Maryann Chomiak, P.A.
NPI 1669577953 · Medical Physician Assistant · Trumbull, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maryann Chomiak, P.A. is a Medical Physician Assistant provider in Trumbull, CT (NPI 1669577953).
Provider details
- NPI number
- 1669577953
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
- License
- 000160 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,635 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 722 | $77 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 224 | $55 |
| Testing for Presence of Drug, By Chemistry Analyzers80307 | 201 | $60 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 139 | $107 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0481 | 105 | $152 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 1,481 | 286 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 634 | 141 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 517 | 119 |
| Gabapentin | 441 | 122 |
| Lidocaine | 405 | 115 |
| Cyclobenzaprine Hcl | 353 | 108 |
| Morphine Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,013 across 124 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
- 2006-09-13
- Last updated
- 2018-06-26
Frequently asked questions
- What is Maryann Chomiak's NPI number?
- Maryann Chomiak's National Provider Identifier (NPI) is 1669577953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryann Chomiak's specialty?
- Maryann Chomiak is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maryann Chomiak located?
- Maryann Chomiak's practice location on file with NPPES is 5520 Park Ave, Trumbull, CT 06611.
- What is Maryann Chomiak's phone number?
- The practice phone number listed in the NPPES registry for Maryann Chomiak is (203) 373-7330.
- Does Maryann Chomiak accept Medicare?
- Maryann Chomiak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maryann Chomiak's NPI active?
- Yes — Maryann Chomiak's NPI (1669577953) is active in the NPPES registry as of the last update on 2018-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.