Doctor profile · Federal record

Dr. Charles Glass, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Guilford, CT

  • NPI 1184613705
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
96A Broad St
Guilford, CT 064372635
(203) 453-3621
fax (203) 453-4501

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
January 6, 2010
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #044810

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184613705. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
796
Distinct HCPCS
5
Medicare allowed
$79,142
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 341 154 $97
99214 Established patient office or other outpatient visit, 30-39 minutes 180 112 $136
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 139 139 $137
G0444 Annual depression screening, 5 to 15 minutes 121 121 $20
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 15 14 $16

In context: peer comparison

Among 6 peers in this city , average services per provider: 80. This provider delivers 10.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$32
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
UCB, Inc. 1 $32.31

By nature of payment

Food and Beverage
$32

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,479
Patients
647
Total drug cost
$34,028
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 420 120 $6,037
Amlodipine Besylate Generic 282 76 $2,542
Montelukast Sodium Generic 210 60 $3,319
Levothyroxine Sodium Generic 207 47 $3,207
Losartan Potassium Generic 204 52 $3,458
Trazodone Hcl Generic 199 49 $2,149
Hydrochlorothiazide Generic 155 36 $661
Tamsulosin Hcl Generic 126 43 $3,224
Simvastatin Generic 122 34 $1,080
Metoprolol Succinate Generic 115 32 $2,262

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Glass's medical specialty?
Dr. Charles Glass practices Internal Medicine Physician in Guilford, CT.
Where does Dr. Charles Glass practice?
Dr. Charles Glass practices at 96A Broad St, Guilford, CT 064372635. Office phone: 2034533621.
What is Dr. Charles Glass's NPI?
Dr. Charles Glass's National Provider Identifier (NPI) is 1184613705, issued by NPPES.
Does Dr. Charles Glass accept Medicare assignment?
Yes. Dr. Charles Glass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Glass commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.