Doctor profile · Federal record

Dr. Robert Zendler, DO

Ophthalmology Physician (CMS: Ophthalmology) · Flint, MI

  • NPI 1669686515
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1335 S Linden RD, Suite E
Flint, MI 48532
(810) 733-5535
fax (810) 733-1076
Mailing address
4281 Lennon RD
Flint, MI 485071024

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
June 19, 2019
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Michigan #5101009018
Medicaid
MI #1992122

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669686515. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,252
Distinct HCPCS
10
Medicare allowed
$131,579
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 276 211 $121
92014 Established patient complete exam of visual system 162 161 $118
92134 Imaging of retina 148 137 $37
99213 Established patient office or other outpatient visit, 20-29 minutes 123 91 $85
92083 Exam of visual field with extended testing 112 104 $58
92133 Imaging of optic nerve 88 85 $33
66984 Removal of cataract with insertion of prosthetic lens 68 31 $396
92136 Measurement of corneal curvature and depth of eye 64 39 $38
92020 Exam of the internal drainage system of eye 60 56 $26
66821 Removal of recurring cataract in lens capsule using a laser 46 25 $313

In context: peer comparison

Among 3 peers in Flint Ophthalmology Physician, average services per provider: 90. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$319
Transactions
15
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
RxSight INC 3 $63.48
Bausch & Lomb Americas INC. 3 $56.67
Thea Pharma INC. 2 $49.44
Abbvie INC. 2 $36.49
Alcon Vision LLC 2 $35.12
Tarsus Pharmaceuticals, INC. 1 $28.06
Oyster Point Pharma, INC. 1 $25.95
Amgen INC. 1 $23.82

By nature of payment

Food and Beverage
$319

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
913
Patients
413
Total drug cost
$157,790
Drug Type Claims Patients Total cost
Latanoprost Generic 364 123 $11,635
Moxifloxacin (Moxifloxacin Hcl) Brand 87 50 $1,972
Prednisolone Acetate Generic 73 57 $3,918
Timolol Maleate Generic 62 21 $6,004
Ofloxacin Generic 55 44 $1,102
Lumigan (Bimatoprost) Brand 41 13 $24,068
Lotemax Sm (Loteprednol Etabonate) Brand 36 24 $8,555
Prolensa (Bromfenac Sodium) Brand 32 29 $10,442
Cyclosporine Generic 30 18 $20,000
Restasis (Cyclosporine) Brand 28 12 $37,693

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Zendler's medical specialty?
Dr. Robert Zendler practices Ophthalmology Physician in Flint, MI.
Where does Dr. Robert Zendler practice?
Dr. Robert Zendler practices at 1335 S Linden RD, Flint, MI 48532. Office phone: 8107335535.
What is Dr. Robert Zendler's NPI?
Dr. Robert Zendler's National Provider Identifier (NPI) is 1669686515, issued by NPPES.
Does Dr. Robert Zendler accept Medicare assignment?
Yes. Dr. Robert Zendler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Zendler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient complete exam of visual system (HCPCS 92014); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.