DR. JOHN D KIERNAN (O.D.) – Optometrist, NPI 1326046152

DR. JOHN D KIERNAN (O.D.) is a healthcare provider. based in Sioux city, Iowa. specializing in Optometrist. They hold the professional credentials O.D.. They hold a License No. 1687 (IA). The NPI Number for DR. JOHN D KIERNAN (O.D.) is 1326046152

Main info

Male
Sole Proprietor
47 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN D KIERNAN (O.D.)
NPI
1326046152
Phone
(712) 252-4406
Address
1214 PIERCE ST
Enumeration Date
14 July 2005
Last Update Date
21 February 2008

Doctor Profile

Medical School Name
ILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Secondary Phone
7122524333
Graduation Year
1979 (47 years ago)
PAC ID
3779540513
Group Practice PAC ID
8325931223
Professional Enrollment ID
I20041214000410
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. JOHN D KIERNAN (O.D.)

  • 1214, Pierce Street, Sioux City, Woodbury County, Iowa, 51105, United States

    SIOUX CITY, IA 511051417

    Phone: (712) 252-4406

    Fax: (712) 252-5296

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 51105)

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Provider's Procedures

DR. JOHN D KIERNAN (O.D.) performs procedures in Optometrist. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPTOMETRYIA92012Eye and medical examination for diagnosis and treatment, established patient367342

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8325931223View full group profile
NameSpecialtyState
O P T O M E T R YIA
O P T O M E T R YIA
O P T O M E T R YSD
O P T O M E T R YNE
O P T O M E T R YIA
O P T O M E T R YIA
O P T O M E T R YIA
O P T O M E T R YIA

Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. JOHN D KIERNAN (O.D.)?
DR. JOHN D KIERNAN (O.D.) — NPI 1326046152 — is the standard way to identify this listing.
Is DR. JOHN D KIERNAN (O.D.) listed as active for patients and plans?
The listing shows DR. JOHN D KIERNAN (O.D.) as active in the NPI system.
What taxonomy line describes DR. JOHN D KIERNAN (O.D.)?
For research purposes, treat DR. JOHN D KIERNAN (O.D.) as Optometrist in this dataset. Clinical services aligned with this taxonomy classification.
What area does DR. JOHN D KIERNAN (O.D.) serve?
DR. JOHN D KIERNAN (O.D.)'s listing highlights Sioux City, Iowa; more addresses can appear in NPPES.
Why does DR. JOHN D KIERNAN (O.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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