Ashley Marx
NPI 1588397921 · Physician Assistant · East Haven, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Marx is a Physician Assistant provider in East Haven, CT (NPI 1588397921).
Provider details
- NPI number
- 1588397921
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,209 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 729 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 312 | $113 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 223 | $9 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 147 | $43 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 128 | $115 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 92 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 615 | 146 |
| Atorvastatin Calcium | 453 | 117 |
| Levothyroxine Sodium | 342 | 85 |
| Losartan Potassium | 287 | 71 |
| Hydrochlorothiazide | 222 | 57 |
| Amlodipine Besylate | 202 | 54 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$840 across 49 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-07-04
- Last updated
- 2022-07-04
- Certified
- 2022-07-04
Frequently asked questions
- What is Ashley Marx's NPI number?
- Ashley Marx's National Provider Identifier (NPI) is 1588397921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Marx's specialty?
- Ashley Marx is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ashley Marx located?
- Ashley Marx's practice location on file with NPPES is 339 Hemingway Ave, East Haven, CT 06512-5341.
- What is Ashley Marx's phone number?
- The practice phone number listed in the NPPES registry for Ashley Marx is (203) 468-9775.
- Does Ashley Marx accept Medicare?
- Ashley Marx is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Marx's NPI active?
- Yes — Ashley Marx's NPI (1588397921) is active in the NPPES registry as of the last update on 2022-07-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.