Doctor profile · Federal record

Dr. Matthew Hemstreet, M.D.

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

  • NPI 1275553182
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 W Thomas RD Ste 600
Phoenix, AZ 850134221
(602) 406-1140
fax (602) 406-1149
Mailing address
Po Box 33269
Phoenix, AZ 850673269

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 12, 2024
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arizona #34483
Medicaid
AZ #987050

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275553182. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
39
Distinct HCPCS
2
Medicare allowed
$8,172
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 24 18 $173
99496 Transitional care management services for problem of high complexity 15 15 $267

In context: peer comparison

Among 171 peers in Phoenix Internal Medicine Physician, average services per provider: 159. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$29
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $29.16

By nature of payment

Food and Beverage
$29

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
268
Patients
12
Total drug cost
$19,922
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 25 0 $17,070
Levothyroxine Sodium Generic 23 12 $319
Lisinopril Generic 23 0 $186
Metformin Hcl Generic 23 0 $152
Atorvastatin Calcium Generic 21 0 $172
Metoprolol Succinate Generic 21 0 $211
Losartan Potassium Generic 19 0 $151
Gabapentin Generic 18 0 $248
Nifedipine ER (Nifedipine) Brand 16 0 $444
Pantoprazole Sodium Generic 15 0 $134

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Hemstreet's medical specialty?
Dr. Matthew Hemstreet practices Internal Medicine Physician in Phoenix, AZ.
Where does Dr. Matthew Hemstreet practice?
Dr. Matthew Hemstreet practices at 500 W Thomas RD Ste 600, Phoenix, AZ 850134221. Office phone: 6024061140.
What is Dr. Matthew Hemstreet's NPI?
Dr. Matthew Hemstreet's National Provider Identifier (NPI) is 1275553182, issued by NPPES.
Does Dr. Matthew Hemstreet accept Medicare assignment?
Yes. Dr. Matthew Hemstreet accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Hemstreet commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Transitional care management services for problem of high complexity (HCPCS 99496). Source: CMS Medicare Physician & Other Practitioners file.