Giselle Marlina Macgowan, PA
Physician Assistant · Pasadena, MD
Giselle Marlina Macgowan, PA is a physician assistant with a practice address in Pasadena, Maryland, and NPI 1386121465, issued on Jul 23, 2018. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Giselle Marlina Macgowan
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 8125 Ritchie Hwy Ste H, Pasadena, MD 21122
- Phone
- (443) 618-5163
- Enumerated
- Jul 23, 2018
- Record last updated
- Aug 23, 2024
- Medicare enrollment
- Enrolled (PECOS I20181226000416); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,224 in Maryland → Look up another NPI →
Also registered at 8125 Ritchie Hwy Ste H
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wendy TeetsMedical Physician Assistant1316159718
Verify Giselle Marlina Macgowan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average physician assistant in 2024
330 Medicare Part D claims for 227 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate49 claims
- Amoxicillin-Clavulanate Potass42 claims
- Prednisone42 claims
- Albuterol Sulfate Hfa30 claims
- Cefuroxime20 claims
- Methylprednisolone17 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.
Bills Medicare through one group practice
- Medstar Urgent Care LLCWheaton, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Giselle Marlina Macgowan among 3,224 physician assistant records in Maryland
Giselle Marlina Macgowan, PA is one of 3,224 physician assistant records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 57% of them.
- NPI issued2018 · 57% of these records are older, 38% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2018 · median 2017 among the 1,974 with a school on file
- Record last updated2024 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 physician assistant records list a practice address in Pasadena
They are 20 of the 537 NPPES records with a practice address in Pasadena, and 3,224 physician assistant records in Maryland.
All 3,224 in Maryland → Every provider in Pasadena → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Nora Bianco, PA-CPasadena, MD 211221851546444
- Amber BrubakerPasadena, MD 211221780135822
- Matthew Castagna, PAPasadena, MD 211221932676756
- Karen Diaz, PA-CPasadena, MD 211221639602147
- Vivian Duru, PAPasadena, MD 211221447529904
- Sharon Hill, PA-CPasadena, MD 211221578701603
- Sarah Jones, PAPasadena, MD 211221275687618
- Alyson Lang, PA-CPasadena, MD 211221023352366
Common questions
What is Giselle Marlina Macgowan, PA's NPI number?
Giselle Marlina Macgowan, PA's National Provider Identifier (NPI) is 1386121465, issued on Jul 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Giselle Marlina Macgowan, PA located?
The NPPES record lists a practice address at 8125 Ritchie Hwy Ste H, Pasadena, MD, 21122. Phone: (443) 618-5163. Providers update this record themselves, so call before visiting.
How can I verify Giselle Marlina Macgowan, PA's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Giselle Marlina Macgowan, PA prescribe under Medicare Part D?
In 2024, Giselle Marlina Macgowan, PA had 330 Medicare Part D claims for 227 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.