Sarah Callahan
NPI 1881944288 · Medical Physician Assistant · Falmouth, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Callahan is a Medical Physician Assistant provider in Falmouth, MA (NPI 1881944288).
Provider details
- NPI number
- 1881944288
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
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
13 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
187 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 | 83 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $78 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 26 | $100 |
| Urinalysis, Manual Test81002 | 23 | $3 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 12 | $35 |
Typical Medicare-allowed amounts for these services range $3–$109 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 55 | 52 |
| Doxycycline Hyclate | 46 | 46 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 35 | 35 |
| Azithromycin | 32 | 32 |
| Cephalexin | 25 | 25 |
| Cefdinir | 24 | 24 |
| Methylprednisolone | 21 | 20 |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (1)
- 2150 Pennsylvania Ave NwWashington, DC 20037-3201Phone: (202) 741-3360
Registry dates
- Enumerated
- 2012-09-12
- Last updated
- 2022-04-20
- Certified
- 2022-04-20
Frequently asked questions
- What is Sarah Callahan's NPI number?
- Sarah Callahan's National Provider Identifier (NPI) is 1881944288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Callahan's specialty?
- Sarah Callahan is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Callahan located?
- Sarah Callahan's practice location on file with NPPES is 100 Ter Heun Dr, Falmouth, MA 02540-2599.
- What is Sarah Callahan's phone number?
- The practice phone number listed in the NPPES registry for Sarah Callahan is (508) 548-5300.
- Does Sarah Callahan accept Medicare?
- Sarah Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Callahan's NPI active?
- Yes — Sarah Callahan's NPI (1881944288) is active in the NPPES registry as of the last update on 2022-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.