Doctor profile · Federal record

Dr. Angela Demien, PA-C

Physician Assistant · Medical Physician Assistant · Portsmouth, NH

  • NPI 1023573268
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
8 Greenleaf Woods Dr
Portsmouth, NH 038015454
(603) 749-2346
Additional location
1 Portsmouth Ave
Stratham, NH 038852585
(317) 989-4327
Additional location
111 New Hampshire Ave
Portsmouth, NH 038012864
(317) 989-4327
Mailing address
8 Greenleaf Woods Dr # 03801
Portsmouth, NH 038015454

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Profile last updated
December 4, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New Hampshire #1438

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023573268. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
98
Distinct HCPCS
5
Medicare allowed
$8,042
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 32 31 $109
99213 Established patient office or other outpatient visit, 20-29 minutes 22 22 $77
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $142
81003 Automated urinalysis test 14 14 $2
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 13 13 $30

In context: peer comparison

Among 20 peers in this city , average services per provider: 67. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$739
Transactions
15
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Axsome Therapeutics, Inc. 6 $320.78
Gilead Sciences, Inc. 3 $170.98
ABIOMED 1 $141.56
Braeburn Inc. 2 $47.08
Otsuka America Pharmaceutical, Inc. 1 $27.26
PFIZER INC. 1 $17.05
Exact Sciences Corporation 1 $14.70

By nature of payment

Food and Beverage
$739

Frequently asked questions

Auto-generated from federal data
What is Dr. Angela Demien's medical specialty?
Dr. Angela Demien practices Physician Assistant in Portsmouth, NH.
Where does Dr. Angela Demien practice?
Dr. Angela Demien practices at 8 Greenleaf Woods Dr, Portsmouth, NH 038015454. Office phone: 6037492346.
What is Dr. Angela Demien's NPI?
Dr. Angela Demien's National Provider Identifier (NPI) is 1023573268, issued by NPPES.
Does Dr. Angela Demien accept Medicare assignment?
Yes. Dr. Angela Demien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Angela Demien commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.