DR. CHIH JEN WANG (O.D.) – Optometrist, NPI 1861443079

DR. CHIH JEN WANG (O.D.) is a healthcare provider. based in Alton, Illinois. specializing in OPTOMETRY. They hold the professional credentials O.D.. They hold a License No. 046-009615 (IL). The NPI Number for DR. CHIH JEN WANG (O.D.) is 1861443079

Main info

Male
23 Years Of Experience
Accepts Medicare Assignment
Name
DR. CHIH JEN WANG (O.D.)
NPI
1861443079
Phone
(800) 407-2696
Address
211 E BROADWAY
Enumeration Date
12 May 2006
Last Update Date
14 February 2014

Doctor Profile

Medical School Name
INDIANA UNIVERSITY - SCHOOL OF OPTOMETRY
Secondary Phone
6184627611
Graduation Year
2003 (23 years ago)
PAC ID
3375433717
Group Practice PAC ID
9436210762
Professional Enrollment ID
I20040617000538
Address ID
IL620022417AL406XXBROA300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

1,715 OPTOMETRY in IL

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Provider Addresses for DR. CHIH JEN WANG (O.D.)

  • 211, East Broadway, Alton, Madison County, Illinois, 62002, United States

    ALTON, IL 620026220

    Phone: (800) 407-2696

    Fax: (800) 432-6004

    Type: Mailing

  • O'Reilly Auto Parts, West Williams Avenue, Fallon, Churchill County, Nevada, 89496, United States

    O FALLON, IL 622691619

    Phone: (618) 397-6575

    Fax: (800) 432-6004

    Type: Location

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.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-06-17

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040318000712IOptometryMOTBD
I20040617000538IOptometryILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
92014Established patient complete exam of visual system2727$0
92250Photography of the retina1818$0
99214Established patient office or other outpatient visit, 30-39 minutes1111$0
View full utilization report →

Insurance plans in this area (ZIP 62002)

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Provider's Procedures

DR. CHIH JEN WANG (O.D.) performs procedures in OPTOMETRY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPTOMETRYIL92012Eye and medical examination for diagnosis and treatment, established patient2222

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: 9436210762View full group profile
NameSpecialtyState
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL
O P T O M E T R YIL

Reviews

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Frequently asked questions

How is DR. CHIH JEN WANG (O.D.) identified in CMS data?
CMS-hosted NPPES data lists DR. CHIH JEN WANG (O.D.) with NPI 1861443079.
Is DR. CHIH JEN WANG (O.D.) still practicing?
DR. CHIH JEN WANG (O.D.) is currently listed as active in the public NPI registry.
What is DR. CHIH JEN WANG (O.D.)'s primary classification?
Optometrist is the headline specialty for DR. CHIH JEN WANG (O.D.) here. Clinical services aligned with this taxonomy classification.
What area does DR. CHIH JEN WANG (O.D.) serve?
DR. CHIH JEN WANG (O.D.)'s listing highlights Alton, Illinois; more addresses can appear in NPPES.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.