Ryan Joseph Lamm, M.D.
Surgical Oncology Physician · Duarte, CA
Ryan Joseph Lamm, M.D. is a surgical oncology physician with a practice address in Duarte, California, and NPI 1891228482, issued on Apr 10, 2017. Check the license (California A193350, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Joseph Lamm
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- A193350 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Duarte RD, Duarte, CA 91010
- Phone
- (516) 547-7676
- Enumerated
- Apr 10, 2017
- Record last updated
- Jul 28, 2025
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 250 in California → Look up another NPI →
Also registered at 1500 Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan Joseph Lamm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A193350Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average surgical oncology physician in 2024
25 Medicare Part D claims for 16 beneficiaries, against an average of 87 among the 1,237 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: $38.85
2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 1,132 providers of this specialty with any payment received $4,224.74 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.
Ryan Joseph Lamm among 250 surgical oncology physician records in California
Ryan Joseph Lamm, M.D. is one of 250 surgical oncology physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 92% of them.
- NPI issued2017 · 92% of these records are older, 7% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 surgical oncology physician records list a practice address in Duarte
They are 26 of the 1,287 NPPES records with a practice address in Duarte, and 250 surgical oncology physician records in California.
All 250 in California → Every provider in Duarte → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Aziz Ahmad, M.D.Duarte, CA 910101487866216
- Rahim Aimaq, MDDuarte, CA 910101710133889
- Avo Artinyan, MDDuarte, CA 910101609934942
- Bridget Fahy-Chandon, M.D.Duarte, CA 910101124066824
- Yuman Fong, MDDuarte, CA 910101346231735
- Carlos Garberoglio, MDDuarte, CA 910101750326948
- Maithao Le, M.D.Duarte, CA 910101760613574
- Mustafa Raoof, M.D.Duarte, CA 910101013155019
Common questions
What is Ryan Joseph Lamm, M.D.'s NPI number?
Ryan Joseph Lamm, M.D.'s National Provider Identifier (NPI) is 1891228482, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Joseph Lamm, M.D. located?
The NPPES record lists a practice address at 1500 Duarte RD, Duarte, CA, 91010. Phone: (516) 547-7676. Providers update this record themselves, so call before visiting.
How can I verify Ryan Joseph Lamm, M.D.'s license?
NPPES lists California license number A193350, 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.
How much does Ryan Joseph Lamm, M.D. prescribe under Medicare Part D?
In 2024, Ryan Joseph Lamm, M.D. had 25 Medicare Part D claims for 16 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.