Marcy Southwell, PA C
NPI 1306882881 · Medical Physician Assistant · Concord, NH
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcy Southwell, PA C is a Medical Physician Assistant provider in Concord, NH (NPI 1306882881).
Provider details
- NPI number
- 1306882881
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA C
- Sex
- Female
- Sole proprietor
- No
- License
- 0391P (NH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
411 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 212 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 128 | $108 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 24 | $95 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 18 | $66 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 122 | 39 |
| Omeprazole | 83 | 19 |
| Spironolactone | 57 | — |
| Mesalamine | 50 | 14 |
| Linaclotidebrand: Linzess | 47 | — |
| Rifaximinbrand: Xifaxan | 38 | — |
| Dicyclomine Hcl | 36 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$58 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2020-12-14
- Certified
- 2020-12-14
Frequently asked questions
- What is Marcy Southwell's NPI number?
- Marcy Southwell's National Provider Identifier (NPI) is 1306882881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcy Southwell's specialty?
- Marcy Southwell is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marcy Southwell located?
- Marcy Southwell's practice location on file with NPPES is 60 Commercial St, Concord, NH 03301-5071.
- What is Marcy Southwell's phone number?
- The practice phone number listed in the NPPES registry for Marcy Southwell is (603) 228-1763.
- Does Marcy Southwell accept Medicare?
- Marcy Southwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcy Southwell's NPI active?
- Yes — Marcy Southwell's NPI (1306882881) is active in the NPPES registry as of the last update on 2020-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.