Doctor profile · Federal record

Dr. Mahmoud Kassir, MD

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Mattawan, MI

  • NPI 1588154322
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
24466 Red Arrow Hwy
Mattawan, MI 490719804
(269) 668-4180
Additional location
1000 Oakland Dr
Kalamazoo, MI 490081282
(269) 349-2641
fax (269) 488-8172

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
September 13, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Michigan #4301504926 · Michigan #4351039636

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588154322. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
242
Distinct HCPCS
4
Medicare allowed
$19,376
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 188 92 $79
99213 Established patient office or other outpatient visit, 20-29 minutes 23 20 $65
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 19 19 $76
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $131

In context: peer comparison

Among 1 peers in Mattawan Family Medicine Physician, average services per provider: 60. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,355
Patients
408
Total drug cost
$125,915
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 143 23 $3,662
Atorvastatin Calcium Generic 129 50 $2,253
Lisinopril Generic 124 43 $1,196
Levothyroxine Sodium Generic 104 31 $1,858
Amlodipine Besylate Generic 102 33 $1,081
Ozempic (Semaglutide) Brand 99 17 $104,625
Omeprazole Generic 94 36 $1,406
Tamsulosin Hcl Generic 87 29 $2,610
Gabapentin Generic 76 19 $1,174
Alprazolam Generic 74 20 $320

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mahmoud Kassir's medical specialty?
Dr. Mahmoud Kassir practices Family Medicine Physician in Mattawan, MI.
Where does Dr. Mahmoud Kassir practice?
Dr. Mahmoud Kassir practices at 24466 Red Arrow Hwy, Mattawan, MI 490719804. Office phone: 2696684180.
What is Dr. Mahmoud Kassir's NPI?
Dr. Mahmoud Kassir's National Provider Identifier (NPI) is 1588154322, issued by NPPES.
Does Dr. Mahmoud Kassir accept Medicare assignment?
Yes. Dr. Mahmoud Kassir accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mahmoud Kassir 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.