Doctor profile · Federal record

Dr. Megan Callahan, M.D.

Neurology Physician (CMS: Neurology) · Attleboro, MA

  • NPI 1780642611
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 36 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
76 Park St
Attleboro, MA 027032335
(508) 431-2026

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Massachusetts #77694

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780642611. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
926
Distinct HCPCS
10
Medicare allowed
$124,522
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 373 240 $130
99204 New patient office or other outpatient visit, 45-59 minutes 72 72 $169
99213 Established patient office or other outpatient visit, 20-29 minutes 71 63 $92
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 62 58 $100
99202 New patient office or other outpatient visit, 15-29 minutes 53 53 $73
99215 Established patient office or other outpatient visit, 40-54 minutes 49 47 $183
95885 Needle measurement of electrical activity in arm or leg muscles, limited study 44 38 $65
95909 Nerve conduction, 5-6 studies 41 41 $136
95911 Nerve conduction, 9-10 studies 32 32 $219
96132 Evaluation of neuropsychological test, first hour 19 19 $132

In context: peer comparison

Among 1 peers in Attleboro Neurology Physician, average services per provider: 54. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,762
Transactions
182
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 35 $684.91
Sk Life Science, INC. 18 $361.24
Pfizer INC. 17 $351.53
Lilly USA, LLC 17 $339.82
Alexion Pharmaceuticals, INC. 11 $288.19
Merz Pharmaceuticals, LLC 10 $259.02
Teva Pharmaceuticals USA, INC. 15 $227.86
Biogen, INC. 10 $218.10
Genentech USA, INC. 10 $186.93
Novartis Pharmaceuticals Corporation 7 $173.65
Amneal Pharmaceuticals LLC 9 $167.57
Ucb, INC. 4 $166.56
Celgene Corporation 9 $161.98
Lundbeck LLC 4 $151.94
Neurelis, INC. 6 $150.47

By nature of payment

Food and Beverage
$4,683
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,424
Patients
305
Total drug cost
$106,532
Drug Type Claims Patients Total cost
Gabapentin Generic 285 60 $5,099
Donepezil Hcl Generic 157 37 $3,427
Memantine Hcl Generic 134 36 $13,165
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 105 21 $6,003
Sertraline Hcl Generic 102 21 $1,084
Levetiracetam Generic 77 18 $4,164
Duloxetine Hcl Generic 74 20 $3,241
Trazodone Hcl Generic 72 19 $603
Primidone Generic 66 16 $2,759
Lamotrigine Generic 65 12 $1,399

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Megan Callahan's medical specialty?
Dr. Megan Callahan practices Neurology Physician in Attleboro, MA.
Where does Dr. Megan Callahan practice?
Dr. Megan Callahan practices at 76 Park St, Attleboro, MA 027032335. Office phone: 5084312026.
What is Dr. Megan Callahan's NPI?
Dr. Megan Callahan's National Provider Identifier (NPI) is 1780642611, issued by NPPES.
Does Dr. Megan Callahan accept Medicare assignment?
Yes. Dr. Megan Callahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Megan Callahan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.