NPPES file of Aug 9, 2026

Karen Stonebraker Simon, O.D.

Optometrist · Gilbert, AZ

Karen Stonebraker Simon, O.D. is an optometrist with a practice address in Gilbert, Arizona, and NPI 1013134600, issued on Apr 18, 2007. Check the license (Arizona 998, as entered in NPPES) with the Arizona 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
1013134600
Name
Karen Stonebraker Simon
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
998 AZ
Self-reported in NPPES; status is on the state search
Practice location
690 E Warner RD, Gilbert, AZ 85296
Phone
(480) 248-6173
Enumerated
Apr 18, 2007
Record last updated
Jul 8, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(480) 240-5972
Medicare enrollment
Enrolled (PECOS I20031210000713); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 1998
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.
Download card Updates feed

Also registered at 690 E Warner RD

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

  1. Josh Adams, LPCProfessional Counselor1982028536
  2. Jacqulyn Breckow, SLPSpeech-Language Pathologist1689737421
  3. Allison Dukat, LPCMental Health Counselor1346786753
  4. Erica Egnew, CCC-SLPSpeech-Language Pathologist1982805297
  5. Ashley Froese, DOFamily Medicine Physician1336596048
  6. Debra Harris, M.S.Speech-Language Pathologist1356655070

Verify Karen Stonebraker Simon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 998
    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 Arizona 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

87% fewer Medicare Part D claims than the average optometrist in 2024

37 Medicare Part D claims for 19 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Karen Simon37
  2. Specialty average277

Most prescribed

  1. Neomycin-Polymyxin-Dexameth17 claims
  2. Latanoprost13 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.

Karen Stonebraker Simon among 1,336 optometrist records in Arizona

Karen Stonebraker Simon, O.D. is one of 1,336 optometrist records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.

  • NPI issued2007 · 38% of these records are older, 51% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1998 · median 2010 among the 746 with a school on file
  • Record last updated2014 · 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Arizona

There are 1,336 optometrist records in Arizona.

The 8 optometrist records with the nearest ZIP codes

  1. John Castro, ODGilbert, AZ 852961508815275
  2. Jody Dagan, ODGilbert, AZ 852961639128887
  3. David Diaz, O.D.Gilbert, AZ 852961255754438
  4. Kent Kneip, ODGilbert, AZ 852961487628095
  5. Vincent Piraino, O.D.Gilbert, AZ 852961679670798
  6. Jashpal Rajasansi, ODGilbert, AZ 852961457300600
  7. Anh Tieu, O.D.Gilbert, AZ 852961962604843
  8. Alma Yamamoto, O.D.Gilbert, AZ 852961053624650

Common questions

What is Karen Stonebraker Simon, O.D.'s NPI number?

Karen Stonebraker Simon, O.D.'s National Provider Identifier (NPI) is 1013134600, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karen Stonebraker Simon, O.D. located?

The NPPES record lists a practice address at 690 E Warner RD, Gilbert, AZ, 85296. Phone: (480) 248-6173. Providers update this record themselves, so call before visiting.

How can I verify Karen Stonebraker Simon, O.D.'s license?

NPPES lists Arizona license number 998, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Stonebraker Simon, O.D. prescribe under Medicare Part D?

In 2024, Karen Stonebraker Simon, O.D. had 37 Medicare Part D claims for 19 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.