James Marczak, PA-C
Physician Assistant · Glendale, AZ
James Marczak, PA-C is a physician assistant with a practice address in Glendale, Arizona, and NPI 1720123805, issued on Feb 20, 2007. Check the license (Arizona 1910, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Marczak
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1910 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 18275 N 59TH Ave Ste 138, Glendale, AZ 85308
- Phone
- (602) 843-2300
- Enumerated
- Feb 20, 2007
- Record last updated
- Nov 18, 2025
- Fax
- (602) 843-2310
- Medicare enrollment
- Enrolled (PECOS I20070418000424); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,666 in Arizona → Look up another NPI →
Also registered at 18275 N 59TH Ave Ste 138
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Marczak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 1910Check 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 physician assistant in 2024
1,322 Medicare Part D claims for 131 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium81 claims
- Levothyroxine Sodium68 claims
- Metoprolol Succinate57 claims
- Lisinopril54 claims
- Meloxicam53 claims
- Rosuvastatin Calcium46 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.
Industry payments in 2024: $1,342.67
36 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 64,719 providers of this specialty with any payment received $841.65 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 one group practice
- Prescott Healthcare Solutions LLCGlendale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Marczak among 3,666 physician assistant records in Arizona
James Marczak, PA-C is one of 3,666 physician assistant records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 79% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2018 among the 2,207 with a school on file
- Record last updated2025 · 35% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 physician assistant records list a practice address in Glendale
They are 168 of the 5,447 NPPES records with a practice address in Glendale, and 3,666 physician assistant records in Arizona.
All 3,666 in Arizona → Every provider in Glendale → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kathleen Bilak, PA-CGlendale, AZ 853081215052345
- Kimberly Brabentz, PAGlendale, AZ 853081437120300
- Douglas Denney, PA-CGlendale, AZ 853081467418699
- Amy Erlenbusch, PAGlendale, AZ 853081831142710
- Steven Gabaldon, P.A.-CGlendale, AZ 853081386692572
- Brenda Hochuli, PAGlendale, AZ 853081366435869
- Carrie Jacovini, PA CGlendale, AZ 853081497867683
- Nicole Madera, PA-CGlendale, AZ 853081841229937
Common questions
What is James Marczak, PA-C's NPI number?
James Marczak, PA-C's National Provider Identifier (NPI) is 1720123805, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Marczak, PA-C located?
The NPPES record lists a practice address at 18275 N 59TH Ave Ste 138, Glendale, AZ, 85308. Phone: (602) 843-2300. Providers update this record themselves, so call before visiting.
How can I verify James Marczak, PA-C's license?
NPPES lists Arizona license number 1910, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does James Marczak, PA-C prescribe under Medicare Part D?
In 2024, James Marczak, PA-C had 1,322 Medicare Part D claims for 131 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.