NPPES file of Aug 9, 2026

Regis Paul Phelan, PA-C

Physician Assistant · Dover, DE

Regis Paul Phelan, PA-C is a physician assistant with a practice address in Dover, Delaware, and NPI 1144537093, issued on Sep 13, 2010. Check the license (Delaware C5-0000734, as entered in NPPES) 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144537093
Name
Regis Paul Phelan
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
C5-0000734 DE
Self-reported in NPPES; status is on the state search
Practice location
285 Beiser Blvd Ste 201, Dover, DE 19904
Phone
(302) 731-2888
Enumerated
Sep 13, 2010
Record last updated
Jan 25, 2024
Fax
(302) 731-7049
Medicare enrollment
Enrolled (PECOS I20110304000530); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 285 Beiser Blvd Ste 201

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

  1. Brittany Dixon, PA-CPhysician Assistant1477702819
  2. Stephen Manifold, M.D.Orthopaedic Surgery Physician1598768806
  3. Irene Mavrakakis, MDPain Medicine (Anesthesiology) Physician1477517308
  4. Allison Sealund, PA-CPhysician Assistant1497060552
  5. Steven Tooze, M.D.Orthopaedic Surgery Physician1427051226

Verify Regis Paul Phelan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license C5-0000734
    Check 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
Find the Delaware license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

80% fewer Medicare Part D claims than the average physician assistant in 2024

167 Medicare Part D claims for 117 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 52 claims were for opioids.

  1. Regis Phelan167
  2. Specialty average830

Most prescribed

  1. Meloxicam50 claims
  2. Oxycodone Hcl35 claims
  3. Methylprednisolone26 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 80.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.6
  2. Costout of 100 · 30%55.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Regional Orthopaedic Associates PAWilmington, DE

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

86 physician assistant records list a practice address in Dover

They are 86 of the 2,137 NPPES records with a practice address in Dover, and 695 physician assistant records in Delaware.

Other physician assistant records in Delaware

  1. Carol Abboud, P.A.Newark, DE1811017387
  2. Erica Abdallah, PAWilmington, DE1316042211
  3. Maryam Abdur-Rahman, PA-CNewark, DE1730329202
  4. Eyosias AbiyNewark, DE1346120052
  5. Anastazia Acevedo, PA-CDover, DE1831495282
  6. Valerie Acevedo, P.A.-CNewark, DE1932457405
  7. Elizabeth AdamsWilmington, DE1598610941
  8. Nikita AhujaDover, DE1861291924
  9. Merve Akbay, PA-CNewark, DE1134843048
  10. Noor Al-RashidRehoboth Beach, DE1891269858

Common questions

What is Regis Paul Phelan, PA-C's NPI number?

Regis Paul Phelan, PA-C's National Provider Identifier (NPI) is 1144537093, issued on Sep 13, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Regis Paul Phelan, PA-C located?

The NPPES record lists a practice address at 285 Beiser Blvd Ste 201, Dover, DE, 19904. Phone: (302) 731-2888. Providers update this record themselves, so call before visiting.

How can I verify Regis Paul Phelan, PA-C's license?

NPPES lists Delaware license number C5-0000734, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does Regis Paul Phelan, PA-C prescribe under Medicare Part D?

In 2024, Regis Paul Phelan, PA-C had 167 Medicare Part D claims for 117 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Regis Paul Phelan, PA-C's MIPS final score?

The 2023 MIPS final score is 80.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.