Doctor profile · Federal record

Dr. Richard Callahan, MSPA, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Surgical Physician Assistant · Burlington, VT

  • NPI 1891785671
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 Colchester Ave, Dermatology - Acc/Wp-5
Burlington, VT 054011473
(802) 847-4570
fax (802) 847-3364

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
November 12, 2013
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Vermont #055-0030786

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891785671. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,473
Distinct HCPCS
10
Medicare allowed
$55,026
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 400 358 $54
17003 Destruction of precancer skin growth, 2-14 growths 347 122 $2
17000 Destruction of precancer skin growth, 1 growth 221 201 $41
11102 Biopsy of related skin growth, first growth 167 158 $24
17110 Destruction of skin growth, 1-14 growths 104 98 $56
99214 Established patient office or other outpatient visit, 30-39 minutes 63 59 $79
99203 New patient office or other outpatient visit, 30-44 minutes 50 50 $67
99212 Established patient office or other outpatient visit, 10-19 minutes 50 50 $29
11103 Biopsy of related skin growth, each additional growth 41 34 $18
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 17 17 $147

In context: peer comparison

Among 6 peers in Burlington Medical Physician Assistant, average services per provider: 120. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
480
Patients
221
Total drug cost
$378,494
Drug Type Claims Patients Total cost
Ketoconazole Generic 76 41 $1,394
Fluorouracil Generic 57 54 $5,143
Triamcinolone Acetonide Generic 50 33 $584
Clobetasol Propionate Generic 42 20 $4,612
Doxycycline Hyclate Generic 37 11 $1,183
Hydrocortisone Generic 28 19 $178
Halobetasol Propionate Generic 26 18 $1,487
Metronidazole Generic 26 11 $1,472
Otezla (Apremilast) Brand 26 0 $130,372
Clindamycin Phosphate Generic 24 0 $548

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Callahan's medical specialty?
Dr. Richard Callahan practices Medical Physician Assistant in Burlington, VT.
Where does Dr. Richard Callahan practice?
Dr. Richard Callahan practices at 111 Colchester Ave, Burlington, VT 054011473. Office phone: 8028474570.
What is Dr. Richard Callahan's NPI?
Dr. Richard Callahan's National Provider Identifier (NPI) is 1891785671, issued by NPPES.
Does Dr. Richard Callahan accept Medicare assignment?
Yes. Dr. Richard Callahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Callahan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.