Justine Blumenstock, OD
Optometrist · San Diego, CA
Justine Blumenstock, OD is an optometrist with a practice address in San Diego, California, and NPI 1922737113, issued on Jun 6, 2022. Check the license (California OPT35591-TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justine Blumenstock
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- OPT35591-TLG CA
1573 NE
Self-reported in NPPES; status is on the state search - Practice location
- 8312 Lake Murray Blvd Ste C, San Diego, CA 92119
- Phone
- (619) 464-2076
- Enumerated
- Jun 6, 2022
- Record last updated
- Nov 13, 2023
- Medicare enrollment
- Enrolled (PECOS I20220610001679); accepts Medicare assignment
- Medical or professional school
- University Of Houston - College Of Optometry, 2022
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Justine Blumenstock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT35591-TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average optometrist in 2024
16 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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: $53.73
3 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings 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
- Bradley J Blumenstock OD PCLincoln, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justine Blumenstock among 8,308 optometrist records in California
Justine Blumenstock, OD 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 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2022 · median 2008 among the 3,573 with a school on file
- Record last updated2023 · 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 San Diego → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Robert Gonzalez, O.D.San Diego Ca, CA 921191295003614
- Rossanna Alo, ODSan Diego, CA 921201336297233
- Abhishek Bajpai, O.D.Coronado, CA 921181528315413
- Mitchell Brown, ODCoronado, CA 921181407836117
- Rosina Cullins, O.D.San Diego, CA 921201982639365
- Anne Devine, ODSan Diego, CA 921201386792281
- Robert Dunlap, O.D.Coronado, CA 921181790184083
- Frances Gong, ODSan Diego, CA 921201174671085
Common questions
What is Justine Blumenstock, OD's NPI number?
Justine Blumenstock, OD's National Provider Identifier (NPI) is 1922737113, issued on Jun 6, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Justine Blumenstock, OD located?
The NPPES record lists a practice address at 8312 Lake Murray Blvd Ste C, San Diego, CA, 92119. Phone: (619) 464-2076. Providers update this record themselves, so call before visiting.
How can I verify Justine Blumenstock, OD's license?
NPPES lists California license number OPT35591-TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Justine Blumenstock, OD prescribe under Medicare Part D?
In 2024, Justine Blumenstock, OD had 16 Medicare Part D claims; 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.