NATHAN EYLANDER – Optometrist, NPI 1821891185

NATHAN EYLANDER is a healthcare provider. based in Alton, Illinois. specializing in OPTOMETRY. They hold a License No. 3966 (TN). The NPI Number for NATHAN EYLANDER is 1821891185

Main info

Male
1 Year Of Experience
Accepts Medicare Assignment
Name
NATHAN EYLANDER
NPI
1821891185
Phone
Not provided
Address
111 E 4TH ST STE 440
Enumeration Date
31 March 2025
Last Update Date
20 August 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9317281315
Graduation Year
2025 (1 year ago)
PAC ID
0648775163
Group Practice PAC ID
0446576359
Professional Enrollment ID
I20250925002600
Address ID
TN373552522MA1642XSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience31
Completeness85
Years active:1State licenses:1Digital endpointsOther names

957 OPTOMETRY in TN

Provider Addresses for NATHAN EYLANDER

  • 111 E 4TH ST STE 440

    ALTON, IL 620026206

    Phone:

    Type: Mailing

  • 1642 MCARTHUR ST

    MANCHESTER, TN 373552522

    Phone: (931) 728-1315

    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: 2025-09-25

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
I20250925002600IOptometryTNTBD

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.

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

Insurance plans in this area (ZIP 62002)

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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: 0446576359View full group profile

Reviews

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Frequently asked questions

What is the 10-digit NPI for NATHAN EYLANDER?
NATHAN EYLANDER — NPI 1821891185 — is the standard way to identify this listing.
Does the file indicate NATHAN EYLANDER is practicing under active NPI?
Directory data currently reports NATHAN EYLANDER as active.
What taxonomy line describes NATHAN EYLANDER?
For research purposes, treat NATHAN EYLANDER as Optometrist in this dataset. Clinical services aligned with this taxonomy classification.
Where should I expect NATHAN EYLANDER on a map?
Expect Alton, Illinois as a primary anchor for NATHAN EYLANDER unless the record lists multiple sites.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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