Megan Callahan, M.D.
NPI 1780642611 · Neurology Physician · Attleboro, MA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Callahan, M.D. is a Neurology Physician provider in Attleboro, MA (NPI 1780642611).
Provider details
- NPI number
- 1780642611
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- License
- 77694 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
834 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 406 | $129 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 75 | $180 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 63 | $90 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 53 | $168 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885 | 35 | $62 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 319 | 73 |
| Donepezil Hcl | 181 | 51 |
| Memantine Hcl | 141 | 36 |
| Levetiracetam | 120 | 22 |
| Trazodone Hcl | 117 | 30 |
| Duloxetine Hcl | 112 | 28 |
| Zonisamide | 90 | 18 |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,762 across 223 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
- 2006-05-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Megan Callahan's NPI number?
- Megan Callahan's National Provider Identifier (NPI) is 1780642611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Callahan's specialty?
- Megan Callahan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Megan Callahan located?
- Megan Callahan's practice location on file with NPPES is 76 Park St, Attleboro, MA 02703-2335.
- What is Megan Callahan's phone number?
- The practice phone number listed in the NPPES registry for Megan Callahan is (508) 431-2026.
- Does Megan Callahan accept Medicare?
- Megan Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Callahan's NPI active?
- Yes — Megan Callahan's NPI (1780642611) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.