Doctor profile · Federal record

Dr. Dale Mazer, M.D.

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

  • NPI 1568424893
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
375 Briarwood Cir Bldg 3
Ann Arbor, MI 481081605
(734) 998-7207
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
January 28, 2020
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301075274
Medicaid
MI #4592483

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568424893. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
358
Distinct HCPCS
7
Medicare allowed
$37,022
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 153 107 $98
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 68 68 $130
99215 Established patient office or other outpatient visit, 40-54 minutes 61 54 $146
99214 Established patient office or other outpatient visit, 30-39 minutes 26 21 $99
99213 Established patient office or other outpatient visit, 20-29 minutes 20 20 $67
99421 Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 16 13 $13
G0444 Annual depression screening, 5 to 15 minutes 14 14 $9

In context: peer comparison

Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,498
Patients
429
Total drug cost
$22,295
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 231 65 $4,158
Levothyroxine Sodium Generic 221 55 $3,227
Amlodipine Besylate Generic 184 51 $1,785
Lisinopril Generic 147 37 $1,537
Omeprazole Generic 103 29 $1,837
Losartan Potassium Generic 84 25 $1,229
Metformin Hcl ER (Metformin Hcl) Brand 81 26 $1,088
Hydrochlorothiazide Generic 73 16 $435
Gabapentin Generic 64 19 $1,108
Montelukast Sodium Generic 58 19 $1,036

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dale Mazer's medical specialty?
Dr. Dale Mazer practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Dale Mazer practice?
Dr. Dale Mazer practices at 375 Briarwood Cir Bldg 3, Ann Arbor, MI 481081605. Office phone: 7349987207.
What is Dr. Dale Mazer's NPI?
Dr. Dale Mazer's National Provider Identifier (NPI) is 1568424893, issued by NPPES.
Does Dr. Dale Mazer accept Medicare assignment?
Yes. Dr. Dale Mazer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dale Mazer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.