Doctor profile · Federal record

Dr. Charles Guardia, M.D.

Neurology Physician (CMS: Neurology) · Clinical Neurophysiology Physician · Sleep Medicine (Psychiatry & Neurology) Physician · Danbury, CT

  • NPI 1841464641
  • Accepts Medicare
  • MIPS 89.1 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
69 Sand Pit RD, Suite 300
Danbury, CT 068104004
(203) 748-2551

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
June 28, 2014
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Connecticut #52764

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841464641. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
959
Distinct HCPCS
10
Medicare allowed
$141,246
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 195 144 $136
99215 Established patient office or other outpatient visit, 40-54 minutes 95 88 $190
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 89 58 $106
99291 Critical care, first 30-74 minutes 79 33 $225
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 72 52 $124
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 65 43 $84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 58 56 $180
95816 Measurement of brain wave activity (eeg), awake and drowsy 45 42 $56
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $178
95720 Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 39 20 $216

In context: peer comparison

Among 5 peers in this city , average services per provider: 747. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
637
Patients
174
Total drug cost
$29,788
Drug Type Claims Patients Total cost
Gabapentin Generic 128 50 $5,704
Levetiracetam Generic 96 33 $3,400
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 91 35 $4,324
Lamotrigine Generic 52 15 $1,604
Clonazepam Generic 41 11 $955
Donepezil Hcl Generic 38 17 $541
Memantine Hcl Generic 31 13 $1,761
Divalproex Sodium Generic 29 0 $1,932
Clopidogrel (Clopidogrel Bisulfate) Brand 24 0 $313
Ropinirole Hcl Generic 21 0 $718

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Guardia's medical specialty?
Dr. Charles Guardia practices Neurology Physician in Danbury, CT.
Where does Dr. Charles Guardia practice?
Dr. Charles Guardia practices at 69 Sand Pit RD, Danbury, CT 068104004. Office phone: 2037482551.
What is Dr. Charles Guardia's NPI?
Dr. Charles Guardia's National Provider Identifier (NPI) is 1841464641, issued by NPPES.
Does Dr. Charles Guardia accept Medicare assignment?
Yes. Dr. Charles Guardia accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Guardia commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886). Source: CMS Medicare Physician & Other Practitioners file.