Doctor profile · Federal record

Dr. Mark Zaki, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Saginaw, MI

  • NPI 1194089441
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5400 Mackinaw RD
Saginaw, MI 486049515
(989) 583-5250

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
March 26, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Michigan #4301101358

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194089441. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,721
Distinct HCPCS
10
Medicare allowed
$234,724
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 1,249 123 $43
77427 Radiation treatment management, 5 treatment sessions 331 99 $184
77300 Calculation of radiation therapy dose 244 75 $32
77334 Design and construction of complex radiation treatment device 214 73 $58
77263 Complex radiation therapy planning 85 79 $160
77338 Design and construction of radiation treatment device for high precision radiation therapy 73 53 $217
99205 New patient office or other outpatient visit, 60-74 minutes 72 72 $173
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 66 46 $37
77301 High precision radiation therapy planning 60 53 $402
99213 Established patient office or other outpatient visit, 20-29 minutes 54 50 $62

In context: peer comparison

Among 2 peers in Saginaw Radiation Oncology Physician, average services per provider: 118. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$185
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Globus Medical, INC. 1 $161.86
Novartis Pharmaceuticals Corporation 1 $23.22

By nature of payment

Food and Beverage
$185

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
75
Patients
33
Total drug cost
$1,188
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 23 17 $488
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 23 16 $467
Omeprazole Generic 15 0 $136
Tamsulosin Hcl Generic 14 0 $96

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Zaki's medical specialty?
Dr. Mark Zaki practices Radiation Oncology Physician in Saginaw, MI.
Where does Dr. Mark Zaki practice?
Dr. Mark Zaki practices at 5400 Mackinaw RD, Saginaw, MI 486049515. Office phone: 9895835250.
What is Dr. Mark Zaki's NPI?
Dr. Mark Zaki's National Provider Identifier (NPI) is 1194089441, issued by NPPES.
Does Dr. Mark Zaki accept Medicare assignment?
Yes. Dr. Mark Zaki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Zaki commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.