Doctor profile · Federal record

Dr. Catherine Varnum, MD, M.P.H.

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Washington, DC

  • NPI 1124553227
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2150 Pennsylvania Ave Nw
Washington, DC 200373201
(202) 741-2222
Mailing address
1800 N Oak St Apt 1401
Rosslyn, VA 222092613

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
September 11, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
District of Columbia #MD048669

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124553227. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
388
Distinct HCPCS
8
Medicare allowed
$43,962
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 102 90 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 99 95 $98
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 96 96 $148
G0008 Administration of influenza virus vaccine 26 26 $35
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 18 18 $17
90480 Admn sarscov2 vacc 1 dose 16 16 $46
91322 Sarscov2 vac 50 mcg/0.5ml im 16 16 $143
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 15 15 $76

In context: peer comparison

Among 219 peers in this city , average services per provider: 102. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
407
Patients
57
Total drug cost
$15,202
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 64 20 $825
Atorvastatin Calcium Generic 64 23 $867
Lisinopril Generic 50 14 $601
Rosuvastatin Calcium Generic 38 0 $2,018
Levothyroxine Sodium Generic 24 0 $455
Metformin Hcl Generic 20 0 $143
Gabapentin Generic 19 0 $289
Diclofenac Sodium Generic 18 0 $465
Hydrochlorothiazide Generic 18 0 $78
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 17 0 $7,702

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Varnum's medical specialty?
Dr. Catherine Varnum practices Internal Medicine Physician in Washington, DC.
Where does Dr. Catherine Varnum practice?
Dr. Catherine Varnum practices at 2150 Pennsylvania Ave Nw, Washington, DC 200373201. Office phone: 2027412222.
What is Dr. Catherine Varnum's NPI?
Dr. Catherine Varnum's National Provider Identifier (NPI) is 1124553227, issued by NPPES.
Does Dr. Catherine Varnum accept Medicare assignment?
Yes. Dr. Catherine Varnum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Varnum 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.