Teresa Callahan, PA-C
NPI 1699715649 · Physician Assistant · Portsmouth, NH
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teresa Callahan, PA-C is a Physician Assistant provider in Portsmouth, NH (NPI 1699715649).
Provider details
- NPI number
- 1699715649
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 0280 (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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
752 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 154 | $82 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 122 | $7 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 64 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 63 | $13 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 59 | $44 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 53 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 110 | 28 |
| Atorvastatin Calcium | 96 | 28 |
| Amlodipine Besylate | 81 | 23 |
| Levothyroxine Sodium | 66 | 19 |
| Losartan Potassium | 50 | 18 |
| Pantoprazole Sodium | 45 | 12 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2020-10-01
- Certified
- 2020-10-01
Frequently asked questions
- What is Teresa Callahan's NPI number?
- Teresa Callahan's National Provider Identifier (NPI) is 1699715649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Callahan's specialty?
- Teresa Callahan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Teresa Callahan located?
- Teresa Callahan's practice location on file with NPPES is 161 Corporate Dr, Portsmouth, NH 03801-6825.
- What is Teresa Callahan's phone number?
- The practice phone number listed in the NPPES registry for Teresa Callahan is (603) 431-5154.
- Does Teresa Callahan accept Medicare?
- Teresa Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teresa Callahan's NPI active?
- Yes — Teresa Callahan's NPI (1699715649) is active in the NPPES registry as of the last update on 2020-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.