NPPES file of Aug 9, 2026

Angela Gay Demien, PA-C

Physician Assistant · Portsmouth, NH

Angela Gay Demien, PA-C is a physician assistant with a practice address in Portsmouth, New Hampshire, and NPI 1023573268, issued on Feb 1, 2019. Check the license (New Hampshire 1438, as entered in NPPES) with the New Hampshire 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
1023573268
Name
Angela Gay Demien
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
1438 NH
Self-reported in NPPES; status is on the state search
Practice location
8 Greenleaf Woods Dr, Portsmouth, NH 03801
Phone
(603) 749-2346
Enumerated
Feb 1, 2019
Record last updated
Dec 4, 2023
Medicare enrollment
Enrolled (PECOS I20190312000361); 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 8 Greenleaf Woods Dr

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

  1. Robert Andelman, MDAnesthesiology Physician1760483960
  2. Eric Eisenberg, MDInternal Medicine Physician1427171545
  3. Emily Follo, MDFamily Medicine Physician1801388079
  4. Benjamin Goldrich, MSWClinical Social Worker1245611359
  5. Allison Hansen, MPAS, PA-CMedical Physician Assistant1215775127
  6. Gene Harkless, ARNPFamily Nurse Practitioner1669544201

Verify Angela Gay Demien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 1438
    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 New Hampshire 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.

2.5 times the Medicare Part D claims of the average physician assistant in 2024

2,072 Medicare Part D claims for 163 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 44 claims were for opioids.

  1. Angela Demien2,072
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium107 claims
  2. Levothyroxine Sodium88 claims
  3. Gabapentin73 claims
  4. Omeprazole68 claims
  5. Lorazepam54 claims
  6. Albuterol Sulfate Hfa50 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: $739.41

15 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, 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.

  1. Angela Demien$739.41
  2. Specialty average$841.65

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

  1. Greater Seacoast Community HealthPortsmouth, NH

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

52 physician assistant records list a practice address in Portsmouth

They are 52 of the 1,860 NPPES records with a practice address in Portsmouth, and 947 physician assistant records in New Hampshire.

Other physician assistant records in New Hampshire

  1. Micala Abbiati, PA-CBedford, NH1437702123
  2. Robin Abeles, PA-CNorth Conway, NH1285119875
  3. Maud AbessNew London, NH1174715452
  4. Rosemarie Addante, PA-CLebanon, NH1356846752
  5. Anna Adler, PA-CLebanon, NH1578216677
  6. Lisa Ahava, PAChesterfield, NH1487693453
  7. Ssara AhmmedManchester, NH1144140138
  8. Liliana Rose Akin, PA-S2Manchester, NH1205793551
  9. Matthew Alexander, PHD, PA-SLebanon, NH1548721517
  10. David Allen, PANashua, NH1952337982

Common questions

What is Angela Gay Demien, PA-C's NPI number?

Angela Gay Demien, PA-C's National Provider Identifier (NPI) is 1023573268, issued on Feb 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Angela Gay Demien, PA-C located?

The NPPES record lists a practice address at 8 Greenleaf Woods Dr, Portsmouth, NH, 03801. Phone: (603) 749-2346. Providers update this record themselves, so call before visiting.

How can I verify Angela Gay Demien, PA-C's license?

NPPES lists New Hampshire license number 1438, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does Angela Gay Demien, PA-C prescribe under Medicare Part D?

In 2024, Angela Gay Demien, PA-C had 2,072 Medicare Part D claims for 163 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.