Doctor profile · Federal record

Dr. Timothy Blankenbeker, O.D.

Optometrist (CMS: Optometry) · Mishawaka, IN

  • NPI 1316146798
  • Accepts Medicare
  • MIPS 89.9 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
230 E Day RD Ste 100
Mishawaka, IN 465453408
(574) 271-3939
fax (574) 271-3941
Additional location
1747 Stafford CT
Goshen, IN 465266542
(574) 533-0100
fax (574) 534-8088
Additional location
2216 Cassopolis St
Elkhart, IN 465145133
(574) 266-2111
fax (574) 266-0555
Show 2 more locations
Additional location
319 N Niles Ave Ste 100
South Bend, IN 466172328
(574) 282-2020
fax (574) 288-2020
Additional location
320 Meadow Ln
Plymouth, IN 465639394
(574) 935-4480
fax (574) 941-2040

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
April 11, 2019
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Indiana #18003467B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316146798. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
604
Distinct HCPCS
9
Medicare allowed
$52,311
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 221 127 $84
92014 Established patient complete exam of visual system 157 155 $118
99212 Established patient office or other outpatient visit, 10-19 minutes 67 51 $52
92134 Imaging of retina 51 41 $38
92004 New patient complete exam of visual system 39 39 $140
92133 Imaging of optic nerve 25 23 $33
92083 Exam of visual field with extended testing 21 19 $58
92012 Established patient problem focused exam of visual system 12 12 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $119

In context: peer comparison

Among 12 peers in Mishawaka Optometrist, average services per provider: 67. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$774
Transactions
25
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas INC. 4 $179.62
Mallinckrodt Hospital Products INC. 7 $169.57
Sight Sciences, INC. 1 $146.40
Tarsus Pharmaceuticals, INC. 4 $82.94
Oyster Point Pharma, INC. 2 $38.08
Alcon Vision LLC 1 $30.39
Sun Pharmaceutical Industries INC. 1 $25.26
Dompe US, INC. 1 $25.23
Abbvie INC. 1 $24.02
Rayner Intraocular Lenses Limited 1 $23.19
Amgen INC. 1 $15.06
Lkc Technologies, INC. 1 $14.70

By nature of payment

Food and Beverage
$774

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
593
Patients
279
Total drug cost
$142,952
Drug Type Claims Patients Total cost
Latanoprost Generic 189 62 $4,762
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 63 57 $889
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 56 17 $1,287
Brimonidine Tartrate Generic 41 13 $1,802
Prednisolone Acetate Generic 38 35 $1,593
Xiidra (Lifitegrast) Brand 37 16 $54,821
Restasis (Cyclosporine) Brand 33 23 $54,132
Timolol Maleate Generic 28 15 $493
Erythromycin (Erythromycin Base) Brand 22 18 $251
Doxycycline Monohydrate Generic 19 11 $574

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Blankenbeker's medical specialty?
Dr. Timothy Blankenbeker practices Optometrist in Mishawaka, IN.
Where does Dr. Timothy Blankenbeker practice?
Dr. Timothy Blankenbeker practices at 230 E Day RD Ste 100, Mishawaka, IN 465453408. Office phone: 5742713939.
What is Dr. Timothy Blankenbeker's NPI?
Dr. Timothy Blankenbeker's National Provider Identifier (NPI) is 1316146798, issued by NPPES.
Does Dr. Timothy Blankenbeker accept Medicare assignment?
Yes. Dr. Timothy Blankenbeker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Blankenbeker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.