Matthew Marriott, P.A.
NPI 1538104393 · Physician Assistant · Bel Air, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Marriott, P.A. is a Physician Assistant provider in Bel Air, MD (NPI 1538104393).
Provider details
- NPI number
- 1538104393
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- C01999 (MD)
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 tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ezetimibe | 72 | 34 |
| Rosuvastatin Calcium | 57 | 29 |
| Levothyroxine Sodium | 42 | 15 |
| Atorvastatin Calcium | 39 | 22 |
| Azithromycin | 33 | 27 |
| Metoprolol Succinate | 33 | 17 |
| Lisinopril | 32 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$531 across 29 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
- 2006-06-17
- Last updated
- 2009-04-27
Frequently asked questions
- What is Matthew Marriott's NPI number?
- Matthew Marriott's National Provider Identifier (NPI) is 1538104393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Marriott's specialty?
- Matthew Marriott is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Matthew Marriott located?
- Matthew Marriott's practice location on file with NPPES is 500 Upper Chesapeake Dr, Bel Air, MD 21014-4324.
- What is Matthew Marriott's phone number?
- The practice phone number listed in the NPPES registry for Matthew Marriott is (443) 643-5000.
- Does Matthew Marriott accept Medicare?
- Matthew Marriott is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Marriott's NPI active?
- Yes — Matthew Marriott's NPI (1538104393) is active in the NPPES registry as of the last update on 2009-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.