Doctor profile · Federal record

Dr. Richard Colgan, MD

Family Medicine Physician · Baltimore, MD

  • NPI 1760421549
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
29 South Paca Street
Baltimore, MD 21201
(410) 328-8792
fax (410) 328-8726

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 13, 2021
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Maryland #D31188

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760421549. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
557
Distinct HCPCS
10
Medicare allowed
$44,265
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 217 146 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 146 129 $77
99443 Telephone medical discussion with physician, 21-30 minutes 58 31 $94
G0008 Administration of influenza virus vaccine 35 35 $25
83036 Hemoglobin a1c level 26 25 $10
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 17 17 $76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 11 $82
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 16 16 $33
90480 Admn sarscov2 vacc 1 dose 14 14 $43
G0009 Administration of pneumococcal vaccine 11 11 $10

In context: peer comparison

Among 53 peers in Baltimore Family Medicine Physician, average services per provider: 107. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
498
Patients
89
Total drug cost
$12,666
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 110 30 $2,372
Hydrochlorothiazide Generic 75 18 $316
Amlodipine Besylate Generic 57 18 $909
Losartan Potassium Generic 47 12 $588
Lisinopril Generic 28 11 $566
Ketoconazole Generic 23 0 $423
Tamsulosin Hcl Generic 22 0 $534
Metformin Hcl ER (Metformin Hcl) Brand 20 0 $167
Famotidine Generic 18 0 $437
Levothyroxine Sodium Generic 18 0 $397

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Colgan's medical specialty?
Dr. Richard Colgan practices Family Medicine Physician in Baltimore, MD.
Where does Dr. Richard Colgan practice?
Dr. Richard Colgan practices at 29 South Paca Street, Baltimore, MD 21201. Office phone: 4103288792.
What is Dr. Richard Colgan's NPI?
Dr. Richard Colgan's National Provider Identifier (NPI) is 1760421549, issued by NPPES.
What procedures does Dr. Richard Colgan 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 99213); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.