Doctor profile · Federal record

Dr. Lawrence Gernon, MD

Internal Medicine Physician (CMS: Internal Medicine) · Washington, DC

  • NPI 1225227069
  • Accepts Medicare
  • MIPS 83.0 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
US Dept of State, M/MED/Qi, Sa-1
Washington, DC 205220001
(202) 663-2453
fax (202) 663-3247

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225227069. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
103
Distinct HCPCS
4
Medicare allowed
$12,760
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 36 33 $177
99284 Emergency department visit with moderate level of medical decision making 27 27 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 23 23 $65
99214 Established patient office or other outpatient visit, 30-39 minutes 17 16 $96

In context: peer comparison

Among 219 peers in Washington Internal Medicine Physician, average services per provider: 102. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
128
Patients
128
Total drug cost
$1,052
Drug Type Claims Patients Total cost
Naproxen Generic 27 27 $118
Cephalexin Generic 24 24 $75
Fluticasone Propionate Generic 20 20 $290
Doxycycline Hyclate Generic 18 18 $195
Amoxicillin Generic 16 16 $46
Methylprednisolone Generic 12 12 $93
Diclofenac Sodium Generic 11 11 $234

Frequently asked questions

Auto-generated from federal data
What is Dr. Lawrence Gernon's medical specialty?
Dr. Lawrence Gernon practices Internal Medicine Physician in Washington, DC.
Where does Dr. Lawrence Gernon practice?
Dr. Lawrence Gernon practices at US Dept of State, Washington, DC 205220001. Office phone: 2026632453.
What is Dr. Lawrence Gernon's NPI?
Dr. Lawrence Gernon's National Provider Identifier (NPI) is 1225227069, issued by NPPES.
Does Dr. Lawrence Gernon accept Medicare assignment?
Yes. Dr. Lawrence Gernon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lawrence Gernon commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.