Doctor profile · Federal record

Dr. Niklas Mackler, MD

Medical Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Ypsilanti, MI

  • NPI 1790758654
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5303 Elliott Dr.
Ypsilanti, MI 48197
(734) 712-1000
Mailing address
24 Frank Lloyd Wright Drive, Suite J2000
Ann Arbor, MI 48105

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
December 19, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Michigan #4301075815

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790758654. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
781
Distinct HCPCS
10
Medicare allowed
$99,459
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 380 188 $126
99215 Established patient office or other outpatient visit, 40-54 minutes 125 71 $176
M0010 Enhancing oncology model (eom) monthly enhanced oncology services (meos) payment for eom enhanced services 80 18 $69
99213 Established patient office or other outpatient visit, 20-29 minutes 45 40 $89
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 27 11 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 26 14 $81
99205 New patient office or other outpatient visit, 60-74 minutes 24 24 $221
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $169
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $177
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $133

In context: peer comparison

Among 6 peers in this city , average services per provider: 82. This provider delivers 9.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
901
Patients
248
Total drug cost
$1,008,427
Drug Type Claims Patients Total cost
Anastrozole Generic 190 47 $12,265
Prednisone Generic 128 36 $733
Abiraterone Acetate Generic 123 18 $26,344
Prochlorperazine Maleate Generic 99 68 $2,698
Dexamethasone Generic 46 40 $872
Imbruvica (Ibrutinib) Brand 43 0 $668,376
Gabapentin Generic 41 0 $425
Acyclovir Generic 36 0 $904
Tamoxifen Citrate Generic 36 0 $1,394
Imatinib Mesylate Generic 32 0 $33,559

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Niklas Mackler's medical specialty?
Dr. Niklas Mackler practices Medical Oncology Physician in Ypsilanti, MI.
Where does Dr. Niklas Mackler practice?
Dr. Niklas Mackler practices at 5303 Elliott Dr., Ypsilanti, MI 48197. Office phone: 7347121000.
What is Dr. Niklas Mackler's NPI?
Dr. Niklas Mackler's National Provider Identifier (NPI) is 1790758654, issued by NPPES.
Does Dr. Niklas Mackler accept Medicare assignment?
Yes. Dr. Niklas Mackler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Niklas Mackler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Enhancing oncology model (eom) monthly enhanced oncology services (meos) payment for eom enhanced services (HCPCS M0010). Source: CMS Medicare Physician & Other Practitioners file.