Sai En Lai, M.D.
Neurology Physician · New Haven, CT
Sai En Lai, M.D. is a neurology physician with a practice address in New Haven, Connecticut, and NPI 1982040416, issued on May 10, 2013. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sai En Lai
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A145350 CA
Self-reported in NPPES; status is on the state search - Practice location
- 333 Cedar St # 208030, New Haven, CT 06510
- Phone
- (203) 688-2984
- Enumerated
- May 10, 2013
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (203) 688-4092
- Medicare enrollment
- Enrolled (PECOS I20190611002576); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 345 in Connecticut → Look up another NPI →
Verify Sai En Lai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average neurology physician in 2024
1,480 Medicare Part D claims for 315 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Carbidopa-Levodopa238 claims
- Levetiracetam213 claims
- Gabapentin78 claims
- Carbidopa-Levodopa Er60 claims
- Lamotrigine54 claims
- Divalproex Sodium46 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sai En Lai among 345 neurology physician records in Connecticut
Sai En Lai, M.D. is one of 345 neurology physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 62% of them.
- NPI issued2013 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2009 among the 216 with a school on file
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
121 neurology physician records list a practice address in New Haven
They are 121 of the 9,793 NPPES records with a practice address in New Haven, and 345 neurology physician records in Connecticut.
All 345 in Connecticut → Every provider in New Haven → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Susan Arnold, MDNew Haven, CT 065101720040587
- Hal Blumenfeld, MDNew Haven, CT 065101982687109
- David Hafler, MDNew Haven, CT 065101689602054
- Richard Mattson, MDNew Haven, CT 065101578536538
- Dhasakumar Navaratnam, MDNew Haven, CT 065101528041738
- Steven Novella, MDNew Haven, CT 065101518949254
- Huned Patwa, MDNew Haven, CT 065101588649792
- Ognen Petroff, MDNew Haven, CT 065101427030162
Common questions
What is Sai En Lai, M.D.'s NPI number?
Sai En Lai, M.D.'s National Provider Identifier (NPI) is 1982040416, issued on May 10, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Sai En Lai, M.D. located?
The NPPES record lists a practice address at 333 Cedar St # 208030, New Haven, CT, 06510. Phone: (203) 688-2984. Providers update this record themselves, so call before visiting.
How can I verify Sai En Lai, M.D.'s license?
Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sai En Lai, M.D. prescribe under Medicare Part D?
In 2024, Sai En Lai, M.D. had 1,480 Medicare Part D claims for 315 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.