Gregory Marchesiello, PA-C
NPI 1013272301 · Surgical Physician Assistant · Towson, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Marchesiello, PA-C is a Surgical Physician Assistant provider in Towson, MD (NPI 1013272301).
Provider details
- NPI number
- 1013272301
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- C04796 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
621 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $80 |
| X-Ray of Knee, 3 Views73562 | 95 | $37 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 94 | $188 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 70 | $67 |
| X-Ray of Foot, Minimum of 3 Views73630 | 70 | $31 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 281 | 184 |
| Ondansetron Hcl | 40 | 35 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 34 | 23 |
| Tramadol Hcl | 22 | 19 |
| Meloxicam | 20 | 12 |
| Oxycodone Hcl | 20 | 14 |
| Cephalexin | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$480 across 3 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
- 2012-07-12
- Last updated
- 2013-11-13
Frequently asked questions
- What is Gregory Marchesiello's NPI number?
- Gregory Marchesiello's National Provider Identifier (NPI) is 1013272301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Marchesiello's specialty?
- Gregory Marchesiello is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Marchesiello located?
- Gregory Marchesiello's practice location on file with NPPES is 8322 Bellona Ave, Towson, MD 21204-2065.
- What is Gregory Marchesiello's phone number?
- The practice phone number listed in the NPPES registry for Gregory Marchesiello is (410) 337-7900.
- Does Gregory Marchesiello accept Medicare?
- Gregory Marchesiello is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Marchesiello's NPI active?
- Yes — Gregory Marchesiello's NPI (1013272301) is active in the NPPES registry as of the last update on 2013-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.