Doctor profile · Federal record

Dr. Gregory Marchesiello, PA-C

Surgical Physician Assistant (CMS: Physician Assistant) · Physician Assistant · Towson, MD

  • NPI 1013272301
  • Accepts Medicare
  • MIPS 85.2 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8322 Bellona Ave, Suite 100
Towson, MD 212042065
(410) 337-7900
fax (410) 337-5321

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
November 13, 2013
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363AS0400X — NUCC code
State license (1)
Maryland #C04796

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013272301. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
831
Distinct HCPCS
10
Medicare allowed
$58,736
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 244 33 $1
27447 Replacement of knee joint, both sides of knee 127 119 $195
73562 X-ray of knee, 3 views 126 101 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 83 63 $82
27130 Replacement of thigh bone and hip joint with prosthesis 61 59 $192
20610 Aspiration and/or injection of fluid from large joint 49 33 $67
73630 X-ray of foot, minimum of 3 views 47 32 $32
73502 X-ray of hip, 2-3 views 40 40 $44
99203 New patient office or other outpatient visit, 30-44 minutes 30 30 $102
73610 X-ray of ankle, minimum of 3 views 24 20 $35

In context: peer comparison

Among 5 peers in Towson Surgical Physician Assistant, average services per provider: 114. This provider delivers 7.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$480
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 3 $480.49

By nature of payment

Travel and Lodging
$428
Food and Beverage
$52

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
415
Patients
249
Total drug cost
$5,326
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 313 176 $4,524
Tramadol Hcl Generic 27 23 $174
Meloxicam Generic 22 13 $192
Oxycodone Hcl Generic 21 13 $204
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 18 12 $134
Ondansetron Hcl Generic 14 12 $98

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Marchesiello's medical specialty?
Dr. Gregory Marchesiello practices Surgical Physician Assistant in Towson, MD.
Where does Dr. Gregory Marchesiello practice?
Dr. Gregory Marchesiello practices at 8322 Bellona Ave, Towson, MD 212042065. Office phone: 4103377900.
What is Dr. Gregory Marchesiello's NPI?
Dr. Gregory Marchesiello's National Provider Identifier (NPI) is 1013272301, issued by NPPES.
Does Dr. Gregory Marchesiello accept Medicare assignment?
Yes. Dr. Gregory Marchesiello accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Marchesiello commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Replacement of knee joint, both sides of knee (HCPCS 27447); X-ray of knee, 3 views (HCPCS 73562). Source: CMS Medicare Physician & Other Practitioners file.