Laurel Hammang, OD
Optometrist · Berkeley, CA
Laurel Hammang, OD is an optometrist with a practice address in Berkeley, California, and NPI 1912444944, issued on Jan 29, 2017. Check the license (California 33627, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Laurel Hammang
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 33627 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Minor HL, Berkeley, CA 94720
- Phone
- (510) 642-2020
- Enumerated
- Jan 29, 2017
- Record last updated
- Jan 29, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170222000859); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2016
- Entity
- Type 1 · individual
Also registered at 200 Minor HL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daphne Chan, O.D.Optometrist1043651425
- Neda Elijah, ODOptometrist1427490077
- Vivien Lee, O.D.Corneal and Contact Management Optometrist1801229083
- Taras Litvin, O.D.Optometrist1982833273
- Charlie Ngo, ODOptometrist1417202474
- Claudia Ruegg, O.D.Optometrist1770856411
Verify Laurel Hammang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33627Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average optometrist in 2024
187 Medicare Part D claims for 67 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Latanoprost71 claims
- Timolol Maleate17 claims
- Loteprednol Etabonate12 claims
- Neomycin-Polymyxin-Dexameth12 claims
- Lumigan11 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: $75.61
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- Family Eye Care Optometry PCChico, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
126 optometrist records list a practice address in Berkeley
They are 126 of the 4,898 NPPES records with a practice address in Berkeley, and 8,308 optometrist records in California.
All 126 in Berkeley → All 8,308 in California → Every provider in Berkeley →
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Laurel Hammang, OD's NPI number?
Laurel Hammang, OD's National Provider Identifier (NPI) is 1912444944, issued on Jan 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Laurel Hammang, OD located?
The NPPES record lists a practice address at 200 Minor HL, Berkeley, CA, 94720. Phone: (510) 642-2020. Providers update this record themselves, so call before visiting.
How can I verify Laurel Hammang, OD's license?
NPPES lists California license number 33627, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Laurel Hammang, OD prescribe under Medicare Part D?
In 2024, Laurel Hammang, OD had 187 Medicare Part D claims for 67 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.