NPPES file of Aug 9, 2026

Gregory Francis Halla, PA-C

Physician Assistant · Newark, DE

Gregory Francis Halla, PA-C is a physician assistant with a practice address in Newark, Delaware, and NPI 1407496912, issued on Jan 13, 2020. Check the license with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407496912
Name
Gregory Francis Halla
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
4755 Ogletown Stanton RD, Newark, DE 19718
Phone
(302) 733-1000
Enumerated
Jan 13, 2020
Record last updated
May 5, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4755 Ogletown Stanton RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paolo Abiad, M.D.Student in an Organized Health Care Education/Training Program1376487736
  2. Jessica AddisStudent in an Organized Health Care Education/Training Program1043950389
  3. Mary Adebanjo, RNMedical-Surgical Registered Nurse1972342681
  4. Gounathan Adly, PHARMDStudent in an Organized Health Care Education/Training Program1215357082
  5. Inongo Agbormbai, DOStudent in an Organized Health Care Education/Training Program1497515654
  6. Mansoor Ahmad, MDInterventional Cardiology Physician1184014102

Verify Gregory Francis Halla in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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81% fewer Medicare Part D claims than the average physician assistant in 2024

161 Medicare Part D claims for 114 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Gregory Halla161
  2. Specialty average830

Most prescribed

  1. Methocarbamol14 claims
  2. Amoxicillin-Clavulanate Potass13 claims
  3. Oxycodone Hcl13 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.

Gregory Francis Halla among 695 physician assistant records in Delaware

Gregory Francis Halla, PA-C is one of 695 physician assistant records with a practice address in Delaware. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 57% of them.

  • NPI issued2020 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2025 · 34% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

319 physician assistant records list a practice address in Newark

They are 319 of the 4,662 NPPES records with a practice address in Newark, and 695 physician assistant records in Delaware.

The 8 physician assistant records with the nearest ZIP codes

  1. Yolanda Angstadt, PACNewark, DE 197181427036136
  2. Amanda Canavan, PA-CNewark, DE 197181154307759
  3. Jeremiah Driscoll, PACNewark, DE 197181598743304
  4. Brian Duda, PACNewark, DE 197181982682795
  5. Timothy Felker, PACNewark, DE 197181780662593
  6. Eric Felker, PACNewark, DE 197181942288568
  7. Lori Felker, PA CNewark, DE 197181811975808
  8. David Frieswyk, PA-CNewark, DE 197181023019247

Common questions

What is Gregory Francis Halla, PA-C's NPI number?

Gregory Francis Halla, PA-C's National Provider Identifier (NPI) is 1407496912, issued on Jan 13, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Francis Halla, PA-C located?

The NPPES record lists a practice address at 4755 Ogletown Stanton RD, Newark, DE, 19718. Phone: (302) 733-1000. Providers update this record themselves, so call before visiting.

How can I verify Gregory Francis Halla, PA-C's license?

Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory Francis Halla, PA-C prescribe under Medicare Part D?

In 2024, Gregory Francis Halla, PA-C had 161 Medicare Part D claims for 114 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.