Doctor profile · Federal record

Dr. Carolina Sierra Lopez, MD

Family Medicine Physician (CMS: Family Practice) · Ypsilanti, MI

  • NPI 1083111017
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
200 Arnet St
Ypsilanti, MI 481985753
(734) 539-5000
Additional location
D25 Calle Paraiso
Gurabo, PR 007784044
(787) 623-5556
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
July 11, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Michigan #4301509176

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083111017. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
141
Distinct HCPCS
5
Medicare allowed
$19,253
HCPCS Description Services Patients Avg allowed
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 32 31 $184
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 32 26 $107
99215 Established patient office or other outpatient visit, 40-54 minutes 29 27 $140
99214 Established patient office or other outpatient visit, 30-39 minutes 28 27 $99
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 20 17 $155

In context: peer comparison

Among 16 peers in this city , average services per provider: 55. This provider delivers 2.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
200
Patients
67
Total drug cost
$5,650
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 35 17 $533
Alendronate Sodium Generic 19 0 $300
Sertraline Hcl Generic 19 0 $326
Amlodipine Besylate Generic 18 14 $148
Lisinopril Generic 17 13 $176
Omeprazole Generic 17 0 $130
Losartan Potassium Generic 14 11 $233
Mirtazapine Generic 14 0 $738
Fluoxetine Hcl Generic 12 0 $92
Montelukast Sodium Generic 12 0 $101

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Carolina Sierra Lopez's medical specialty?
Dr. Carolina Sierra Lopez practices Family Medicine Physician in Ypsilanti, MI.
Where does Dr. Carolina Sierra Lopez practice?
Dr. Carolina Sierra Lopez practices at 200 Arnet St, Ypsilanti, MI 481985753. Office phone: 7345395000.
What is Dr. Carolina Sierra Lopez's NPI?
Dr. Carolina Sierra Lopez's National Provider Identifier (NPI) is 1083111017, issued by NPPES.
Does Dr. Carolina Sierra Lopez accept Medicare assignment?
Yes. Dr. Carolina Sierra Lopez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carolina Sierra Lopez commonly perform?
Top Medicare-reported procedures in 2023: Initial nursing facility care with high level of medical decision making (HCPCS 99306); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.