Doctor profile · Federal record

Dr. Marcus Muallem, MD

Ophthalmology Physician (CMS: Ophthalmology) · Grand Rapids, MI

  • NPI 1194927335
  • Accepts Medicare
  • MIPS 74.0 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
750 E Beltline Ave Ne
Grand Rapids, MI 495256049
(616) 949-2600
fax (616) 954-0213

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
June 9, 2008
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Michigan #4301090063
Medicaid
MI #5189883

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194927335. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,161
Distinct HCPCS
10
Medicare allowed
$181,720
HCPCS Description Services Patients Avg allowed
92136 Measurement of corneal curvature and depth of eye 213 133 $38
66984 Removal of cataract with insertion of prosthetic lens 190 107 $487
99213 Established patient office or other outpatient visit, 20-29 minutes 185 144 $86
99204 New patient office or other outpatient visit, 45-59 minutes 141 141 $159
99214 Established patient office or other outpatient visit, 30-39 minutes 111 97 $123
92134 Imaging of retina 108 105 $38
66821 Removal of recurring cataract in lens capsule using a laser 56 44 $297
92083 Exam of visual field with extended testing 53 39 $58
92133 Imaging of optic nerve 41 35 $32
92014 Established patient complete exam of visual system 28 26 $121

In context: peer comparison

Among 7 peers in Grand Rapids Ophthalmology Physician, average services per provider: 221. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,741
Transactions
35
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 5 $439.76
Bausch & Lomb Americas INC. 9 $357.24
RxSight INC 3 $294.38
Alcon Vision LLC 11 $239.76
Biotissue Holdings INC. 1 $209.08
Johnson & Johnson Surgical Vision, INC. 4 $169.72
Oyster Point Pharma, INC. 1 $17.33
Sight Sciences, INC. 1 $13.67

By nature of payment

Food and Beverage
$1,741

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,591
Patients
2,360
Total drug cost
$281,074
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 1,118 640 $59,444
Ketorolac Tromethamine Generic 1,019 565 $19,426
Latanoprost Generic 535 183 $11,317
Moxifloxacin (Moxifloxacin Hcl) Brand 503 332 $17,962
Timolol Maleate Generic 288 91 $7,296
Ofloxacin Generic 242 176 $3,116
Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) Brand 170 137 $1,401
Brimonidine Tartrate Generic 146 55 $7,845
Dorzolamide Hcl Generic 136 42 $4,498
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 112 42 $4,738

Frequently asked questions

Auto-generated from federal data
What is Dr. Marcus Muallem's medical specialty?
Dr. Marcus Muallem practices Ophthalmology Physician in Grand Rapids, MI.
Where does Dr. Marcus Muallem practice?
Dr. Marcus Muallem practices at 750 E Beltline Ave Ne, Grand Rapids, MI 495256049. Office phone: 6169492600.
What is Dr. Marcus Muallem's NPI?
Dr. Marcus Muallem's National Provider Identifier (NPI) is 1194927335, issued by NPPES.
Does Dr. Marcus Muallem accept Medicare assignment?
Yes. Dr. Marcus Muallem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcus Muallem commonly perform?
Top Medicare-reported procedures in 2023: Measurement of corneal curvature and depth of eye (HCPCS 92136); Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.