Gretchen Amrien, PA-C
Physician Assistant · Salem, NJ
Gretchen Amrien, PA-C is a physician assistant with a practice address in Salem, New Jersey, and NPI 1457827354, issued on Oct 17, 2018. Check the license (New Jersey 25MP00506300, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gretchen Amrien
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 25MP00506300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 4 Bypass RD Ste 201, Salem, NJ 08079
- Phone
- (856) 935-0066
- Enumerated
- Oct 17, 2018
- Record last updated
- Dec 15, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,393 in New Jersey → Look up another NPI →
Verify Gretchen Amrien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 25MP00506300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average physician assistant in 2024
175 Medicare Part D claims for 84 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Fluorouracil24 claims
- Levothyroxine Sodium17 claims
- Lisinopril14 claims
- Atorvastatin Calcium12 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: $71.14
3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. 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.
Gretchen Amrien among 3,393 physician assistant records in New Jersey
Gretchen Amrien, PA-C is one of 3,393 physician assistant records with a practice address in New Jersey. 78% 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 44% of them.
- NPI issued2018 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 physician assistant records list a practice address in Salem
They are 2 of the 108 NPPES records with a practice address in Salem, and 3,393 physician assistant records in New Jersey.
All 3,393 in New Jersey → Every provider in Salem → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Alexandra BinderSalem, NJ 080791417557935
- Christina Castorina, PA-CSewell, NJ 080801871199810
- Emily Cutshall, PA-CSewell, NJ 080801558026153
- Casey Friedman, PA-CSewell, NJ 080801144766627
- Keefe Giffin, PA-CSewell, NJ 080801992819924
- Barry Greenfield, RPA-CSewell, NJ 080801306057005
- Joseph Gross, PA-CSewell, NJ 080801972718732
- Amanda Henry, PA-CSewell, NJ 080801700427879
Common questions
What is Gretchen Amrien, PA-C's NPI number?
Gretchen Amrien, PA-C's National Provider Identifier (NPI) is 1457827354, issued on Oct 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Amrien, PA-C located?
The NPPES record lists a practice address at 4 Bypass RD Ste 201, Salem, NJ, 08079. Phone: (856) 935-0066. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Amrien, PA-C's license?
NPPES lists New Jersey license number 25MP00506300, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Gretchen Amrien, PA-C prescribe under Medicare Part D?
In 2024, Gretchen Amrien, PA-C had 175 Medicare Part D claims for 84 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.