Lydia Segui, PA-C
Physician Assistant · New Haven, CT
Lydia Segui, PA-C is a physician assistant with a practice address in New Haven, Connecticut, and NPI 1508864026, issued on Jul 8, 2005. Check the license (Connecticut 001594, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lydia Segui
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 001594 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Chapel Street, New Haven, CT 06511
- Phone
- (203) 789-3000
- Enumerated
- Jul 8, 2005
- Record last updated
- Apr 3, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050317001050); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,047 in Connecticut → Look up another NPI →
Also registered at 1450 Chapel Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Angelo, MDInternal Medicine Physician1053339242
- Ronald Arsenault, PAPhysician Assistant1629002563
- Stephen Atlas, MDInternal Medicine Physician1871527333
- Richard Barse, MDInternal Medicine Physician1013987098
- Lauren Bendel, PHARMDPharmacist1558929307
- John CapuanoPharmacist1679561278
Verify Lydia Segui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 001594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average physician assistant in 2024
248 Medicare Part D claims for 103 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 14 claims were for opioids.
Most prescribed
- Cefuroxime25 claims
- Doxycycline Hyclate15 claims
- Pantoprazole Sodium15 claims
- Amlodipine Besylate13 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 MIPS final score for 2023 (Medicare payment program): 93.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northeast Medical Group IncNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lydia Segui among 2,047 physician assistant records in Connecticut
Lydia Segui, PA-C is one of 2,047 physician assistant records with a practice address in Connecticut. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2002 · median 2018 among the 1,338 with a school on file
- Record last updated2012 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
256 physician assistant records list a practice address in New Haven
They are 256 of the 9,793 NPPES records with a practice address in New Haven, and 2,047 physician assistant records in Connecticut.
All 2,047 in Connecticut → Every provider in New Haven → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ronald Arsenault, PANew Haven, CT 065111629002563
- Jason Asselin, PA-CNew Haven, CT 065111811910128
- Lisa Cantey, PA-CNew Haven, CT 065111750376455
- Susan Fair, P.A.-C.New Haven, CT 065111104868256
- Peter Juergensen, PA CNew Haven, CT 065111982699799
- William Kohlhepp, P.A.New Haven, CT 065111184626681
- Paulette Lehrer, PANew Haven, CT 065111699705731
- Judith Madeux, APRNNew Haven, CT 065111316981137
Common questions
What is Lydia Segui, PA-C's NPI number?
Lydia Segui, PA-C's National Provider Identifier (NPI) is 1508864026, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lydia Segui, PA-C located?
The NPPES record lists a practice address at 1450 Chapel Street, New Haven, CT, 06511. Phone: (203) 789-3000. Providers update this record themselves, so call before visiting.
How can I verify Lydia Segui, PA-C's license?
NPPES lists Connecticut license number 001594, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Lydia Segui, PA-C prescribe under Medicare Part D?
In 2024, Lydia Segui, PA-C had 248 Medicare Part D claims for 103 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Lydia Segui, PA-C's MIPS final score?
The 2023 MIPS final score is 93.3 of 100. 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.