Doctor profile · Federal record

Dr. James Loomis, MD

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

  • NPI 1528153160
  • Accepts Medicare
  • 41 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5100 Wisconsin Ave Nw, Ste 401
Washington, DC 200164119
(202) 527-7500

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
March 31, 2016
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
District of Columbia #MD043764 · Missouri #R8G21
Medicaid
MO #202463857

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528153160. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
349
Distinct HCPCS
6
Medicare allowed
$25,767
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 103 69 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 54 43 $119
G0442 Annual alcohol misuse screening, 5 to 15 minutes 50 50 $21
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 50 50 $29
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 48 48 $145
G0444 Annual depression screening, 5 to 15 minutes 44 44 $21

In context: peer comparison

Among 219 peers in this city , average services per provider: 102. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
320
Patients
141
Total drug cost
$28,769
Drug Type Claims Patients Total cost
Arexvy (Rsvpref3 Antigen/As01e/Pf) Brand 59 59 $18,350
Losartan Potassium Generic 49 16 $783
Atorvastatin Calcium Generic 45 17 $358
Amlodipine Besylate Generic 39 14 $232
Shingrix (Varicella-Zoster Ge/As01b/Pf) Brand 36 24 $7,419
Levothyroxine Sodium Generic 25 11 $525
Lisinopril Generic 23 0 $254
Metformin Hcl Er (Metformin Hcl) Brand 17 0 $125
Rosuvastatin Calcium Generic 16 0 $488
Alprazolam Generic 11 0 $234

Frequently asked questions

Auto-generated from federal data
What is Dr. James Loomis's medical specialty?
Dr. James Loomis practices Internal Medicine Physician in Washington, DC.
Where does Dr. James Loomis practice?
Dr. James Loomis practices at 5100 Wisconsin Ave Nw, Washington, DC 200164119. Office phone: 2025277500.
What is Dr. James Loomis's NPI?
Dr. James Loomis's National Provider Identifier (NPI) is 1528153160, issued by NPPES.
Does Dr. James Loomis accept Medicare assignment?
Yes. Dr. James Loomis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Loomis 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 alcohol misuse screening, 5 to 15 minutes (HCPCS G0442). Source: CMS Medicare Physician & Other Practitioners file.