Gregory D. Marchesiello, PA-C
Surgical Physician Assistant · Towson, MD
Gregory D. Marchesiello, PA-C is a surgical physician assistant with a practice address in Towson, Maryland, and NPI 1013272301, issued on Jul 12, 2012. Check the license (Maryland C04796, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory D. Marchesiello
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- C04796 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8322 Bellona Ave, Towson, MD 21204
- Phone
- (410) 337-7900
- Enumerated
- Jul 12, 2012
- Record last updated
- Nov 13, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (410) 337-5321
- Medicare enrollment
- Enrolled (PECOS I20120822000315); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 397 in Maryland → Look up another NPI →
Also registered at 8322 Bellona Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Ambrose, BS ATC PTAPhysical Therapy Assistant1124122296
- Mary Anthony, CRNPAdult Health Nurse Practitioner1982620746
- Jeffrey Brodie, MDOrthopaedic Foot and Ankle Surgery Physician1386665735
- Nicole Brummer, D.D.S., M.S.Orthodontics and Dentofacial Orthopedics Dentistry1396892212
- Stephen Busky, M.D.Urology Physician1619924008
- Frank Catanzariti, MDOrthopaedic Surgery Physician1063430502
Verify Gregory D. Marchesiello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license C04796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% more Medicare Part D claims than the average surgical physician assistant in 2024
484 Medicare Part D claims for 263 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 359 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen281 claims
- Ondansetron Hcl40 claims
- Oxycodone-Acetaminophen34 claims
- Tramadol Hcl22 claims
- Meloxicam20 claims
- Oxycodone Hcl20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $480.49
3 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Agape Physical Therapy And Sports Rehabilitation LPForest Hill, MD
- University OF Maryland St. Joseph Orthopaedics, LLCBel Air, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory D. Marchesiello among 397 surgical physician assistant records in Maryland
Gregory D. Marchesiello, PA-C is one of 397 surgical physician assistant records with a practice address in Maryland. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 58% of them.
- NPI issued2012 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2012 · median 2011 among the 230 with a school on file
- Record last updated2013 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Maryland
There are 397 surgical physician assistant records in Maryland.
All 397 in Maryland → Every provider in Towson → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Shayne Bradford, PA-CTowson, MD 212041841251386
- Lun Chen, PA-CTowson, MD 212041790019974
- Brett Getlan, PA-CTowson, MD 212041457828485
- Christina Harvell, PA-CTowson, MD 212041316579287
- Kevin Klekner, P.A.Towson, MD 212041124123336
- Linda Loudermilk, P.A.Towson, MD 212041730274036
- Dawn Lupica, PA-CBaltimore, MD 212041669718870
- Daniel Meeder, P.A.-CTowson, MD 212041184729691
Common questions
What is Gregory D. Marchesiello, PA-C's NPI number?
Gregory D. Marchesiello, PA-C's National Provider Identifier (NPI) is 1013272301, issued on Jul 12, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Gregory D. Marchesiello, PA-C located?
The NPPES record lists a practice address at 8322 Bellona Ave, Towson, MD, 21204. Phone: (410) 337-7900. Providers update this record themselves, so call before visiting.
How can I verify Gregory D. Marchesiello, PA-C's license?
NPPES lists Maryland license number C04796, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory D. Marchesiello, PA-C prescribe under Medicare Part D?
In 2024, Gregory D. Marchesiello, PA-C had 484 Medicare Part D claims for 263 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Gregory D. Marchesiello, PA-C's MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.