DR. CHARLOTTE F. NIELSEN, P.C. – Optometrist, NPI 1033303169

DR. CHARLOTTE F. NIELSEN, P.C. is a healthcare provider. based in Grayslake, Illinois. specializing in Optometrist. The organization holds a License No. 046008590 (IL). The NPI Number for DR. CHARLOTTE F. NIELSEN, P.C. is 1033303169

Main info

Organization
Name
DR. CHARLOTTE F. NIELSEN, P.C.
NPI
1033303169
Phone
(847) 223-2000
Address
1120 E WASHINGTON ST
Authorized Official
DR. CHARLOTTE F NIELSEN PRESIDENT O.D.
Enumeration Date
31 August 2007
Last Update Date
17 June 2008
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience50
Completeness75
Years active:18State licenses:1Digital endpointsOther names

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Provider Addresses for DR. CHARLOTTE F. NIELSEN, P.C.

  • East Washington Street, Grayslake, Lake, Illinois, 60030, United States

    GRAYSLAKE, IL 600307960

    Phone: (847) 223-2000

    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.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-09-09

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

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
O20100909000960OClinic/Group PracticeILTBD

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

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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 60030)

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Reviews

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Frequently asked questions

Can I verify DR. CHARLOTTE F. NIELSEN, P.C. with an NPI only?
You can start verification with NPI 1033303169 for DR. CHARLOTTE F. NIELSEN, P.C., then check state licensing separately.
Is DR. CHARLOTTE F. NIELSEN, P.C. listed as active for patients and plans?
The listing shows DR. CHARLOTTE F. NIELSEN, P.C. as active in the NPI system.
What is DR. CHARLOTTE F. NIELSEN, P.C.'s primary classification?
Optometrist is the headline specialty for DR. CHARLOTTE F. NIELSEN, P.C. here. Clinical services aligned with this taxonomy classification.
What address line appears for DR. CHARLOTTE F. NIELSEN, P.C.?
DR. CHARLOTTE F. NIELSEN, P.C.'s geographic hint is Grayslake, Illinois in our summary view.
What does 'Organization' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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