Doctor profile · Federal record

Dr. Ashley Marx

Physician Assistant · East Haven, CT

  • NPI 1588397921
  • Accepts Medicare
  • MIPS 90.8 / 100 · 2023
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
339 Hemingway Ave
East Haven, CT 065125341
(203) 468-9775
Mailing address
2492 Abbey Ln
Seaford, NY 117833509

Credentials & registration

NPPES · NUCC
NPI registered
July 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588397921. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,118
Distinct HCPCS
10
Medicare allowed
$119,283
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 480 86 $56
99214 Established patient office or other outpatient visit, 30-39 minutes 305 159 $115
36415 Insertion of needle into vein for collection of blood sample 283 149 $8
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 143 125 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 134 134 $115
81002 Urinalysis, manual test 116 107 $3
99487 Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month 85 80 $119
G0442 Annual alcohol misuse screening, 5 to 15 minutes 81 81 $17
G0444 Annual depression screening, 5 to 15 minutes 78 78 $17
99213 Established patient office or other outpatient visit, 20-29 minutes 71 50 $81

In context: peer comparison

Among 3 peers in this city , average services per provider: 78. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$840
Transactions
49
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 13 $192.48
AstraZeneca Pharmaceuticals LP 9 $177.17
Novo Nordisk Inc 12 $151.15
Lilly USA, LLC 5 $121.76
Amgen Inc. 3 $60.59
ABBVIE INC. 2 $38.35
PFIZER INC. 2 $32.58
Exact Sciences Corporation 1 $25.41
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $22.11
Phathom Pharmaceuticals, Inc. 1 $18.22

By nature of payment

Food and Beverage
$840

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,587
Patients
755
Total drug cost
$29,214
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 375 105 $4,983
Atorvastatin Calcium Generic 341 112 $3,954
Levothyroxine Sodium Generic 253 75 $3,964
Losartan Potassium Generic 230 66 $2,725
Amlodipine Besylate Generic 169 52 $849
Hydrochlorothiazide Generic 169 53 $1,048
Alprazolam Generic 167 38 $980
Lisinopril Generic 162 48 $1,123
Metformin Hcl Er (Metformin Hcl) Brand 130 38 $2,867
Escitalopram Oxalate Generic 124 28 $1,336

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashley Marx's medical specialty?
Dr. Ashley Marx practices Physician Assistant in East Haven, CT.
Where does Dr. Ashley Marx practice?
Dr. Ashley Marx practices at 339 Hemingway Ave, East Haven, CT 065125341. Office phone: 2034689775.
What is Dr. Ashley Marx's NPI?
Dr. Ashley Marx's National Provider Identifier (NPI) is 1588397921, issued by NPPES.
Does Dr. Ashley Marx accept Medicare assignment?
Yes. Dr. Ashley Marx accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Marx commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.