Doctor profile · Federal record
Dr. Joseph Jahner, OD
Optometrist (CMS: Optometry) · Grinnell, IA
- NPI 1285245274
- Accepts Medicare
- 6 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
935 Broad St
Grinnell, IA 501122047
(641) 891-7263 - Additional location
-
1012 E Competine St Apt 203
Knoxville, IA 501381962 - Mailing address
-
1012 E Competine St Apt 203
Knoxville, IA 501381962
Credentials & registration
- NPI registered
- August 2020 — 6 yrs on file
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Iowa #101219
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285245274. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
354
Distinct HCPCS
6
Medicare allowed
$32,995
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92014 |
Established patient complete exam of visual system | 198 | 194 | $114 | |
92250 |
Photography of the retina | 51 | 47 | $33 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 43 | 31 | $80 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 21 | 13 | $94 | |
92133 |
Imaging of optic nerve | 21 | 16 | $32 | |
92004 |
New patient complete exam of visual system | 20 | 20 | $135 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 78. This provider delivers 4.5× the peer median.Open Payments
Industry payments received
All-time total
$32
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| CooperVision Inc. | 2 | $32.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
52
Patients
0
Total drug cost
$796
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 34 | 0 | $627 |
| Timolol Maleate | Generic | 18 | 0 | $170 |
Frequently asked questions
What is Dr. Joseph Jahner's medical specialty?
Dr. Joseph Jahner practices Optometrist in Grinnell, IA.
Where does Dr. Joseph Jahner practice?
Dr. Joseph Jahner practices at 935 Broad St, Grinnell, IA 501122047. Office phone: 6418917263.
What is Dr. Joseph Jahner's NPI?
Dr. Joseph Jahner's National Provider Identifier (NPI) is 1285245274, issued by NPPES.
Does Dr. Joseph Jahner accept Medicare assignment?
Yes. Dr. Joseph Jahner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Jahner commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.