Alan D. Lash, MD
Rheumatology Physician · Redwood City, CA
Alan D. Lash, MD is a rheumatology physician with a practice address in Redwood City, California, and NPI 1497833032, issued on Nov 1, 2006. Check the license (California A35820, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alan D. Lash
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A35820 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1150 Veterans Blvd, Redwood City, CA 94063
- Phone
- (650) 299-2000
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00A358200 CA
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 1150 Veterans Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alan D. Lash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A35820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $89.05
1 payment: food and beverage; the largest payer was Ucb, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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.
Alan D. Lash among 926 rheumatology physician records in California
Alan D. Lash, MD is one of 926 rheumatology physician records with a practice address in California. 81% 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, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2007 · 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 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Redwood City → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Gurkirpal Sehgal, MDWoodside, CA 940621922484807
- Ian McLean, MBCHB PHD FACP FRCPSouth San Francisco, CA 940801306047378
- Sarah Ringsted, M.D.South San Francisco, CA 940801417376740
- Edward Amento, M.D.Sunnyvale, CA 940851457896961
- Jeffrey Brown, MDMountain View, CA 940401750477758
- Daniel Jo, M.D.Mountain View, CA 940401508150590
- Jennifer Johnson, M.D.Mountain View, CA 940401043582109
- Lakshmi Myneni, MDMountain View, CA 940401316028533
Common questions
What is Alan D. Lash, MD's NPI number?
Alan D. Lash, MD's National Provider Identifier (NPI) is 1497833032, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan D. Lash, MD located?
The NPPES record lists a practice address at 1150 Veterans Blvd, Redwood City, CA, 94063. Phone: (650) 299-2000. Providers update this record themselves, so call before visiting.
How can I verify Alan D. Lash, MD's license?
NPPES lists California license number A35820, 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), 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.