Joanne Gronquist, O.D.
Optometrist · Santa Barbara, CA
Joanne Gronquist, O.D. is an optometrist with a practice address in Santa Barbara, California, and NPI 1518938117, issued on Jan 31, 2006. Check the license (California 10965T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanne Gronquist
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 10965T CA
Self-reported in NPPES; status is on the state search - Practice location
- 1805 State St Ste B, Santa Barbara, CA 93101
- Phone
- (805) 569-1504
- Enumerated
- Jan 31, 2006
- Record last updated
- May 14, 2026
- Fax
- (805) 569-8707
- Medicare enrollment
- Enrolled (PECOS I20050308001151); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1997
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Joanne Gronquist in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 10965TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average optometrist in 2024
199 Medicare Part D claims for 51 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 66% of claims.
Most prescribed
- Timolol Maleate41 claims
- Lumigan28 claims
- Latanoprost23 claims
- Xiidra19 claims
- Vyzulta14 claims
- Restasis12 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.
Industry payments in 2024: $565.29
11 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Drs. Joanne And Tem Gronquist, Inc.Santa Barbara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanne Gronquist among 8,308 optometrist records in California
Joanne Gronquist, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1997 · median 2008 among the 3,573 with a school on file
- Record last updated2026 · 67% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Santa Barbara → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Stephanie Burris, O.D.Santa Barbara, CA 931011871666057
- David Burroughs, O.D.Santa Barbara, CA 931011689789331
- Lauren Gonzalez, ODSanta Barbara, CA 931011245519966
- Tem Gronquist, O.D.Santa Barbara, CA 931011316918915
- Zachary Reynard, ODSanta Barbara, CA 931011548844715
- Sharon Samski, ODSanta Barbara, CA 931011720251846
- Wendy Santizo, O.D.Santa Barbara, CA 931011104999523
- Natalia SantizoSanta Barbara, CA 931011972275022
Common questions
What is Joanne Gronquist, O.D.'s NPI number?
Joanne Gronquist, O.D.'s National Provider Identifier (NPI) is 1518938117, issued on Jan 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joanne Gronquist, O.D. located?
The NPPES record lists a practice address at 1805 State St Ste B, Santa Barbara, CA, 93101. Phone: (805) 569-1504. Providers update this record themselves, so call before visiting.
How can I verify Joanne Gronquist, O.D.'s license?
NPPES lists California license number 10965T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joanne Gronquist, O.D. prescribe under Medicare Part D?
In 2024, Joanne Gronquist, O.D. had 199 Medicare Part D claims for 51 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.