NPPES file of Aug 9, 2026

Robert P. Chelberg, O.D.

Optometrist · Keshena, WI

Robert P. Chelberg, O.D. is an optometrist with a practice address in Keshena, Wisconsin, and NPI 1225033137, issued on Jun 16, 2005. Check the license (Wisconsin 2847-035, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225033137
Name
Robert P. Chelberg
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
2847-035 WI
046-009613 IL
Self-reported in NPPES; status is on the state search
Practice location
W3275 Wolf River Road, Keshena, WI 54135
Phone
(715) 799-5482
Enumerated
Jun 16, 2005
Record last updated
Jul 7, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
38613800 WI
Medicare enrollment
Enrolled (PECOS I20040701001024); accepts Medicare assignment
Medical or professional school
University Of Missouri St Louis - School Of Optometry, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at W3275 Wolf River Road

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

  1. Peggy Bevernitz, P.T.Physical Therapist1285675496
  2. Mary Callis, MDFamily Medicine Physician1730334020
  3. Michael Carlson, D.D.S.General Practice Dentistry1760424832
  4. Matthew Charging, D.D.S.General Practice Dentistry1407236359
  5. John Culhane, M.D.Family Medicine Physician1780624395
  6. Shannon Daun, MDFamily Medicine Physician1487636072

Verify Robert P. Chelberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 2847-035
    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 Wisconsin license search

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40% fewer Medicare Part D claims than the average optometrist in 2024

167 Medicare Part D claims for 40 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.

  1. Robert Chelberg167
  2. Specialty average277

Most prescribed

  1. Latanoprost87 claims
  2. Timolol Maleate23 claims
  3. Fluorometholone12 claims
  4. Tobramycin-Dexamethasone12 claims
  5. Brimonidine Tartrate11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Menominee Indian Tribe OF WisconsinKeshena, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert P. Chelberg among 1,161 optometrist records in Wisconsin

Robert P. Chelberg, O.D. is one of 1,161 optometrist records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1999 · median 2008 among the 752 with a school on file
  • Record last updated2017 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 optometrist records list a practice address in Keshena

They are 2 of the 58 NPPES records with a practice address in Keshena, and 1,161 optometrist records in Wisconsin.

The 8 optometrist records with the nearest ZIP codes

  1. Nicholas Keszo, O.D.Keshena, WI 541351710928916
  2. Adrian Ebben, ODKimberly, WI 541361053397042
  3. Andrew Magiera, ODKimberly, WI 541361659331551
  4. David Smits, O.D.Kimberly, WI 541361467404079
  5. Joseph Stradel, ODKimberly, WI 541361376529735
  6. Ashley Torreano, O.D.Kimberly, WI 541361952718926
  7. Mark Ebben, OD OPTOMETRISTKaukauna, WI 541301255389201
  8. John Salisbury, O.D.Little Chute, WI 541401053359612

Common questions

What is Robert P. Chelberg, O.D.'s NPI number?

Robert P. Chelberg, O.D.'s National Provider Identifier (NPI) is 1225033137, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert P. Chelberg, O.D. located?

The NPPES record lists a practice address at W3275 Wolf River Road, Keshena, WI, 54135. Phone: (715) 799-5482. Providers update this record themselves, so call before visiting.

How can I verify Robert P. Chelberg, O.D.'s license?

NPPES lists Wisconsin license number 2847-035, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Robert P. Chelberg, O.D. prescribe under Medicare Part D?

In 2024, Robert P. Chelberg, O.D. had 167 Medicare Part D claims for 40 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.