Heather Maertzig, PA
Physician Assistant · Philadelphia, PA
Heather Maertzig, PA is a physician assistant with a practice address in Philadelphia, Pennsylvania, and NPI 1588614754, issued on May 11, 2006. Check the license (Pennsylvania MA003422L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Maertzig
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA003422L PA
Self-reported in NPPES; status is on the state search - Practice location
- 5501 Old York Road, Philadelphia, PA 19141
- Phone
- (215) 456-6679
- Enumerated
- May 11, 2006
- Record last updated
- Dec 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (215) 456-8502
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
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Verify Heather Maertzig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA003422LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average physician assistant in 2024
46 Medicare Part D claims for 42 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Heather Maertzig among 8,020 physician assistant records in Pennsylvania
Heather Maertzig, PA is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2016 · 42% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
955 physician assistant records list a practice address in Philadelphia
They are 955 of the 42,849 NPPES records with a practice address in Philadelphia, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Philadelphia → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Peter Bosniak, PA-CPhiladelphia, PA 191411346472396
- Jennifer Cornish, PAPhiladelphia, PA 191411740434240
- Susan Daly, PAPhiladelphia, PA 191411699090753
- Adam England, PA-CPhiladelphia, PA 191411437410206
- Jennifer Flannery, PA-CPhiladelphia, PA 191411790040640
- Charon Gant, PA-CPhiladelphia, PA 191411942450507
- Colleen Kolpak, PA-CPhiladelphia, PA 191411548598386
- Blessy Koshy, PA-CPhiladelphia, PA 191411700167889
Common questions
What is Heather Maertzig, PA's NPI number?
Heather Maertzig, PA's National Provider Identifier (NPI) is 1588614754, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Heather Maertzig, PA located?
The NPPES record lists a practice address at 5501 Old York Road, Philadelphia, PA, 19141. Phone: (215) 456-6679. Providers update this record themselves, so call before visiting.
How can I verify Heather Maertzig, PA's license?
NPPES lists Pennsylvania license number MA003422L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Heather Maertzig, PA prescribe under Medicare Part D?
In 2024, Heather Maertzig, PA had 46 Medicare Part D claims for 42 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.