Doctor profile · Federal record

Dr. Alexis Lopez, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Ann Arbor, MI

  • NPI 1629397575
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
August 2, 2019
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301096101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629397575. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
222
Distinct HCPCS
4
Medicare allowed
$24,280
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 150 53 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 21 $81
99238 Hospital discharge day management, 30 minutes or less 27 27 $80
99239 Hospital discharge day management, more than 30 minutes 11 11 $117

In context: peer comparison

Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 2.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
0
Total drug cost
$1,203
Drug Type Claims Patients Total cost
Omeprazole Generic 13 0 $322
Risperidone Generic 12 0 $441
Dicyclomine Hcl Generic 11 0 $441

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexis Lopez's medical specialty?
Dr. Alexis Lopez practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Alexis Lopez practice?
Dr. Alexis Lopez practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Alexis Lopez's NPI?
Dr. Alexis Lopez's National Provider Identifier (NPI) is 1629397575, issued by NPPES.
Does Dr. Alexis Lopez accept Medicare assignment?
Yes. Dr. Alexis Lopez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexis Lopez commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.