Wei An, M.D.
Allergy & Immunology Physician · West Hartford, CT
Wei An, M.D. is an allergy & immunology physician with a practice address in West Hartford, Connecticut, and NPI 1942576947, issued on Mar 24, 2012. Check the license (Connecticut 056435, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Wei An
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 056435 CT
Self-reported in NPPES; status is on the state search - Practice location
- 836 Farmington Ave Ste 207, West Hartford, CT 06119
- Phone
- (860) 232-9911
- Enumerated
- Mar 24, 2012
- Record last updated
- Apr 14, 2022
- Medicare enrollment
- Enrolled (PECOS I20170628000476); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 57 in Connecticut → Look up another NPI →
Also registered at 836 Farmington Ave Ste 207
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olivia Dellostritto, PA-CMedical Physician Assistant1619473709
- Ian Gragnolati, PA-CPhysician Assistant1689368466
- Justin Hong, PA-CPhysician Assistant1033842349
- Kelsey Kaman, M.D.Pediatric Allergy/Immunology Physician1831552546
- Sarah Preleski, PA-CPhysician Assistant1003781444
- Shauna Rafferty, NP-CFamily Nurse Practitioner1285269431
Verify Wei An in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 056435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average allergy & immunology physician in 2024
1,509 Medicare Part D claims for 296 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.
Most prescribed
- Montelukast Sodium152 claims
- Ipratropium Bromide144 claims
- Albuterol Sulfate Hfa135 claims
- Trelegy Ellipta119 claims
- Xolair102 claims
- Azelastine-Fluticasone76 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): 79.5 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).
Industry payments in 2024: $1,194.68
66 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Connecticut Asthma And Allergy Center LLCWest Hartford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wei An among 57 allergy & immunology physician records in Connecticut
Wei An, M.D. is one of 57 allergy & immunology physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 84% of them.
- NPI issued2012 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2012 · median 2002 among the 35 with a school on file
- Record last updated2022 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Connecticut
There are 57 allergy & immunology physician records in Connecticut.
All 57 in Connecticut → Every provider in West Hartford → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Robert Bedard, MDWest Hartford, CT 061191003897851
- Jason Lee, MDWest Hartford, CT 061191760463400
- Gavin Schwarz, M.D.West Hartford, CT 061191093848988
- Kevin McGrath, MDWethersfield, CT 061091306840343
- Leonard Cohen, M.D., PH.D.West Hartford, CT 061071710080619
- Shamsa Shafi, M.D.West Hartford, CT 061071023274842
- Jigisha Morosky, M.D.Enfield, CT 060821518189612
- Reinhard Kage, MDManchester, CT 060401902891013
Common questions
What is Wei An, M.D.'s NPI number?
Wei An, M.D.'s National Provider Identifier (NPI) is 1942576947, issued on Mar 24, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Wei An, M.D. located?
The NPPES record lists a practice address at 836 Farmington Ave Ste 207, West Hartford, CT, 06119. Phone: (860) 232-9911. Providers update this record themselves, so call before visiting.
How can I verify Wei An, M.D.'s license?
NPPES lists Connecticut license number 056435, as entered by the provider. 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 Wei An, M.D. prescribe under Medicare Part D?
In 2024, Wei An, M.D. had 1,509 Medicare Part D claims for 296 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Wei An, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.5 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.