Doctor profile · Federal record

Dr. Ariel Williams, M.D.

Orthopaedic Surgery Physician (CMS: Hand Surgery) · Orthopaedic Hand Surgery Physician · Orthopaedic Surgery Physician · Orthopaedic Surgery Physician · New Haven, CT

  • NPI 1811211337
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 9 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
47 College St
New Haven, CT 065103209
(877) 925-3637
Connecticut — 8 locations
Additional location
1152 Kings Highway Cutoff
Fairfield, CT 068245271
Additional location
1450 Chapel St
New Haven, CT 065114405
Additional location
20 York St
New Haven, CT 065103220
Additional location
267 Grant St
Bridgeport, CT 066102805
Additional location
300 Seaside Ave
Milford, CT 064604603
Additional location
5520 Park Ave
Trumbull, CT 066113463
Additional location
800 Howard Ave
New Haven, CT 065191369
Additional location
849 Boston Post RD
Milford, CT 064603537

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
September 5, 2024
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207X00000X — NUCC code
State licenses (3)
Minnesota #62129 · Connecticut #054105 · Colorado #CDRH.0000868

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811211337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
675
Distinct HCPCS
10
Medicare allowed
$56,055
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 132 82 $91
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 106 58 $7
99203 New patient office or other outpatient visit, 30-44 minutes 64 64 $113
73130 X-ray of hand, minimum of 3 views 60 42 $38
73110 X-ray of wrist, minimum of 3 views 50 29 $43
99204 New patient office or other outpatient visit, 45-59 minutes 43 43 $167
99214 Established patient office or other outpatient visit, 30-39 minutes 43 43 $129
20550 Injection into tendon or ligament 35 28 $57
73140 X-ray of finger, minimum of 2 views 34 25 $39
20600 Aspiration and/or injection of fluid from small joint 33 25 $55

In context: peer comparison

Among 18 peers in New Haven Orthopaedic Surgery Physician, average services per provider: 74. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$446
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Skeletal Dynamics INC 2 $204.65
Endo USA, INC. 5 $178.05
Endo Pharmaceuticals INC. 2 $29.33
Axogen 1 $17.30
Kerecis Limited 1 $16.93

By nature of payment

Food and Beverage
$446

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
70
Patients
66
Total drug cost
$219
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 57 53 $173
Cephalexin Generic 13 13 $46

Frequently asked questions

Auto-generated from federal data
What is Dr. Ariel Williams's medical specialty?
Dr. Ariel Williams practices Orthopaedic Surgery Physician in New Haven, CT.
Where does Dr. Ariel Williams practice?
Dr. Ariel Williams practices at 47 College St, New Haven, CT 065103209. Office phone: 8779253637.
What is Dr. Ariel Williams's NPI?
Dr. Ariel Williams's National Provider Identifier (NPI) is 1811211337, issued by NPPES.
Does Dr. Ariel Williams accept Medicare assignment?
Yes. Dr. Ariel Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ariel Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.