Registry data as of Aug 27, 2026

Charles Keller, O.D.

Optometrist · Warren, PA

Charles Keller, O.D. is an optometrist with a practice address in Warren, Pennsylvania, and NPI 1245212885, issued on Nov 18, 2005. Check the license (Pennsylvania OE5123T, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1245212885
Name
Charles Keller
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OE5123T PA
Self-reported in NPPES; status is on the state search
Practice location
103 W Saint Clair St, Warren, PA 16365
Phone
(814) 726-2020
Enumerated
Nov 18, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 103 W Saint Clair St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dan Gottwald, MDOrthopaedic Surgery Physician1104889732
  2. Nichole Harrison, M.D.Internal Medicine Physician1609888643
  3. Lonnie Heeter, CRNPFamily Nurse Practitioner1407812167
  4. Christopher John, PA-CPhysician Assistant1902996903
  5. Van Johnson, MDOrthopaedic Surgery Physician1780647958
  6. Gary McAfoos, MDSurgery Physician1609870641

Verify Charles Keller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license OE5123T
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

11 optometrist records list a Warren practice address

They are 11 of the 314 NPPES records with a Warren practice address, and 2,606 optometrist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other optometrist records in Pennsylvania

  1. Dina Abdelhady, ODGlenside, PA1225761844
  2. Mark Abelman, ODPittsburgh, PA1043200751
  3. Azad AbulkalamKing Of Prussia, PA1114491917
  4. Joanne Adolfo, O.D.Butler, PA1104133271
  5. Maria Adriaansen, O.DPhiladelphia, PA1508428194
  6. Christopher Adsit, ODMeadville, PA1477627727
  7. Veena Adusumilli, O.D.Bethlehem, PA1891856225
  8. Robert Africano, ODPhiladelphia, PA1265817720
  9. Ross Agagliati, O.D.Homestead, PA1649623992
  10. Kimberly Agostinelli, ODCovington Twp, PA1902835671

Common questions

What is Charles Keller, O.D.'s NPI number?

Charles Keller, O.D.'s National Provider Identifier (NPI) is 1245212885, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Charles Keller, O.D. located?

The NPPES record lists a practice address at 103 W Saint Clair St, Warren, PA, 16365. Phone: (814) 726-2020. Providers update this record themselves, so call before visiting.

How can I verify Charles Keller, O.D.'s license?

NPPES lists Pennsylvania license number OE5123T, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.