Maja Witwicka, APRN
Psychiatric/Mental Health Clinical Nurse Specialist · New Haven, CT
Maja Witwicka, APRN is a psychiatric/mental health clinical nurse specialist with a practice address in New Haven, Connecticut, and NPI 1477127587, issued on May 14, 2021. Check the license (Connecticut 12.009995, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maja Witwicka
- Credential
- APRN
- Primary taxonomy
- Psychiatric/Mental Health Clinical Nurse Specialist 364SP0808X
- License numbers
- 12.009995 CT
137745 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (646) 519-1853
- Enumerated
- May 14, 2021
- Record last updated
- Sep 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211102000731); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health clinical nurse specialist records → All 39 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Maja Witwicka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 12.009995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average psychiatric/mental health clinical nurse specialist in 2024
215 Medicare Part D claims for 78 beneficiaries, against an average of 1,054 among the 390 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Varenicline Tartrate137 claims
- Bupropion Hcl Sr43 claims
- Bupropion Xl12 claims
- Escitalopram Oxalate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Yale New Haven HospitalNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maja Witwicka among 39 psychiatric/mental health clinical nurse specialist records in Connecticut
Maja Witwicka, APRN is one of 39 psychiatric/mental health clinical nurse specialist records with a practice address in Connecticut. 51% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 51% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated2021 · median 1998 among the 10 with a school on file
- Record last updated2021 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 364SP0808X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Clinical Nurse Specialist providers in Connecticut
There are 39 psychiatric/mental health clinical nurse specialist records in Connecticut.
All 39 in Connecticut → Every provider in New Haven → Psychiatric/Mental Health Clinical Nurse Specialist nationwide →
The 8 psychiatric/mental health clinical nurse specialist records with the nearest ZIP codes
- Robert Krause, APRNNew Haven, CT 065111811911795
- Mary Forman, APRNWest Haven, CT 065161164868030
- Barbara Johnson, RN, MSWest Haven, CT 065161427149822
- Kathleen Koenig, APRNNew Haven, CT 065191295795243
- Brian Geyser, APRNWallingford, CT 064921598787087
- Linda Demas, M.S.N., APRNOld Saybrook, CT 064751669519724
- Margaret GarrisonOld Saybrook, CT 064751790974376
- David Kimble, RN CNSOld Saybrook, CT 064751457426058
Common questions
What is Maja Witwicka, APRN's NPI number?
Maja Witwicka, APRN's National Provider Identifier (NPI) is 1477127587, issued on May 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Maja Witwicka, APRN located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (646) 519-1853. Providers update this record themselves, so call before visiting.
How can I verify Maja Witwicka, APRN's license?
NPPES lists Connecticut license number 12.009995, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Maja Witwicka, APRN prescribe under Medicare Part D?
In 2024, Maja Witwicka, APRN had 215 Medicare Part D claims for 78 beneficiaries; the average among psychiatric/mental health clinical nurse specialist prescribers was 1,054. Part D covers Medicare prescriptions only.
What is Maja Witwicka, APRN's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.