Ariel A. Williams, M.D.
Orthopaedic Surgery Physician · New Haven, CT
Ariel A. Williams, M.D. is an orthopaedic surgery physician with a practice address in New Haven, Connecticut, and NPI 1811211337, issued on Mar 26, 2010. Check the license (Connecticut 054105, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ariel A. Williams
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 054105 CT
62129 MN
CDRH.0000868 CO
Self-reported in NPPES; status is on the state search - Practice location
- 47 College St, New Haven, CT 06510
- Phone
- (877) 925-3637
- Enumerated
- Mar 26, 2010
- Record last updated
- Sep 5, 2024
- Medicare enrollment
- Enrolled (PECOS I20241106001449); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 348 in Connecticut → Look up another NPI →
Also registered at 47 College St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raj Gala, MDOrthopaedic Surgery of the Spine Physician1457797276
- Emma Kozinn, PA-CPhysician Assistant1871345751
- Aaron Leininger, D.O.Orthopaedic Surgery Physician1679956452
- Alexandra Schlapp, PA-CPhysician Assistant1720764921
- Dominick Tuason, MDOrthopaedic Surgery Physician1588867790
- Michael Weinstock, M.D.Otolaryngology Physician1639586464
Verify Ariel A. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 054105Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
67 Medicare Part D claims for 53 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 35 claims were for opioids.
Most prescribed
- Oxycodone Hcl27 claims
- Cephalexin15 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.
Industry payments in 2024: $446.26
11 payments; by number, the most common kind was food and beverage; the largest payer was Skeletal Dynamics Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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 3 group practices
- Ptsma IncFairfield, CT
- Rehabilitation Associates IncFairfield, CT
- Yale UniversityBridgeport, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ariel A. Williams among 348 orthopaedic surgery physician records in Connecticut
Ariel A. Williams, M.D. is one of 348 orthopaedic surgery physician records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 75% of them.
- NPI issued2010 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 2000 among the 224 with a school on file
- Record last updated2024 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Connecticut
There are 348 orthopaedic surgery physician records in Connecticut.
All 348 in Connecticut → Every provider in New Haven → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Yash Chaudhry, DONew Haven, CT 065101639799042
- Elizabeth Gardner, MDNew Haven, CT 065101477711752
- Assaf Kadar, MDNew Haven, CT 065101124520523
- Aaron Leininger, D.O.New Haven, CT 065101679956452
- Mengnai Li, MDNew Haven, CT 065101538189733
- Xuan Luo, MDNew Haven, CT 065101457613259
- Ilda Molloy, M.D.New Haven, CT 065101285097378
- Jonathan Salandra, DONew Haven, CT 065101174186266
Common questions
What is Ariel A. Williams, M.D.'s NPI number?
Ariel A. Williams, M.D.'s National Provider Identifier (NPI) is 1811211337, issued on Mar 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ariel A. Williams, M.D. located?
The NPPES record lists a practice address at 47 College St, New Haven, CT, 06510. Phone: (877) 925-3637. Providers update this record themselves, so call before visiting.
How can I verify Ariel A. Williams, M.D.'s license?
NPPES lists Connecticut license number 054105, 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 Ariel A. Williams, M.D. prescribe under Medicare Part D?
In 2024, Ariel A. Williams, M.D. had 67 Medicare Part D claims for 53 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.