Doctor profile · Federal record

Dr. Amy Haydon-Ryan, BS, PA-C

Physician Assistant · Medical Physician Assistant · New Haven, CT

  • NPI 1598938078
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
800 Howard Ave Fl 1
New Haven, CT 065191369
(877) 925-3637
Additional location
305 Black Rock Tpke
Fairfield, CT 068255508
(203) 337-2600
fax (203) 337-2666
Mailing address
800 Howard Ave
New Haven, CT 065191369

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
October 16, 2020
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
Connecticut #000175 · Connecticut #175

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598938078. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
573
Distinct HCPCS
5
Medicare allowed
$31,797
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 292 48 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 144 127 $81
20610 Aspiration and/or injection of fluid from large joint 88 69 $65
99203 New patient office or other outpatient visit, 30-44 minutes 34 34 $102
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose 15 12 $708

In context: peer comparison

Among 47 peers in this city , average services per provider: 118. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
296
Patients
178
Total drug cost
$4,042
Drug Type Claims Patients Total cost
Diclofenac Sodium Generic 115 47 $3,030
Oxycodone Hcl Generic 59 44 $263
Meloxicam Generic 36 19 $145
Celecoxib Generic 22 19 $272
Tramadol Hcl Generic 20 19 $34
Mupirocin Generic 19 18 $234
Amoxicillin Generic 13 12 $35
Hydromorphone Hcl Generic 12 0 $31

Frequently asked questions

Auto-generated from federal data
What is Dr. Amy Haydon-Ryan's medical specialty?
Dr. Amy Haydon-Ryan practices Physician Assistant in New Haven, CT.
Where does Dr. Amy Haydon-Ryan practice?
Dr. Amy Haydon-Ryan practices at 800 Howard Ave Fl 1, New Haven, CT 065191369. Office phone: 8779253637.
What is Dr. Amy Haydon-Ryan's NPI?
Dr. Amy Haydon-Ryan's National Provider Identifier (NPI) is 1598938078, issued by NPPES.
Does Dr. Amy Haydon-Ryan accept Medicare assignment?
Yes. Dr. Amy Haydon-Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amy Haydon-Ryan commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.