Lonna Larsh, M.D.
Family Medicine Physician · Santa Cruz, CA
Lonna Larsh, M.D. is a family medicine physician with a practice address in Santa Cruz, California, and NPI 1659351245, issued on Jan 19, 2006. Check the license (California G75442, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Lonna Larsh
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G75442 CA
Self-reported in NPPES; status is on the state search - Practice location
- 709 Frederick St, Santa Cruz, CA 95062
- Phone
- (831) 421-0775
- Enumerated
- Jan 19, 2006
- Entity
- Type 1 · individual
Also registered at 709 Frederick St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cally Haber, LIC. ACUPUNCTURISTAcupuncturist1568685667
Verify Lonna Larsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
116 family medicine physician records list a Santa Cruz practice address
They are 116 of the 5,138 NPPES records with a Santa Cruz practice address, and 16,272 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 116 in Santa Cruz → All 16,272 in California → Every provider in Santa Cruz →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Lonna Larsh, M.D.'s NPI number?
Lonna Larsh, M.D.'s National Provider Identifier (NPI) is 1659351245, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lonna Larsh, M.D. located?
The NPPES record lists a practice address at 709 Frederick St, Santa Cruz, CA, 95062. Phone: (831) 421-0775. Providers update this record themselves, so call before visiting.
How can I verify Lonna Larsh, M.D.'s license?
NPPES lists California license number G75442, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.