Doctor profile · Federal record

Dr. Andrew Hemmen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Mesa, AZ

  • NPI 1043316847
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6644 E Baywood Ave
Mesa, AZ 852061747
(480) 981-4391
fax (480) 981-4624
Mailing address
Po Box 708850
Sandy, UT 840708850

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 16, 2026
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Mexico #MD2006-0603

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043316847. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
542
Distinct HCPCS
5
Medicare allowed
$52,752
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 286 121 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 92 57 $116
99239 Hospital discharge day management, more than 30 minutes 66 66 $110
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 59 59 $169
99238 Hospital discharge day management, 30 minutes or less 39 39 $76

In context: peer comparison

Among 47 peers in Mesa Internal Medicine Physician, average services per provider: 132. This provider delivers 4.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
340
Patients
128
Total drug cost
$28,114
Drug Type Claims Patients Total cost
Furosemide Generic 41 20 $305
Potassium Chloride Generic 40 18 $570
Metoprolol Succinate Generic 36 24 $867
Atorvastatin Calcium Generic 23 0 $718
Clopidogrel (Clopidogrel Bisulfate) Brand 23 0 $420
Pantoprazole Sodium Generic 23 14 $543
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 22 21 $141
Xarelto (Rivaroxaban) Brand 22 0 $14,780
Famotidine Generic 20 13 $493
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 19 0 $332

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Hemmen's medical specialty?
Dr. Andrew Hemmen practices Internal Medicine Physician in Mesa, AZ.
Where does Dr. Andrew Hemmen practice?
Dr. Andrew Hemmen practices at 6644 E Baywood Ave, Mesa, AZ 852061747. Office phone: 4809814391.
What is Dr. Andrew Hemmen's NPI?
Dr. Andrew Hemmen's National Provider Identifier (NPI) is 1043316847, issued by NPPES.
Does Dr. Andrew Hemmen accept Medicare assignment?
Yes. Dr. Andrew Hemmen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Hemmen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.