Marnie Gibson Lamm, M.D.
Family Medicine Physician · Tucson, AZ
Marnie Gibson Lamm, M.D. is a family medicine physician with a practice address in Tucson, Arizona, and NPI 1689992265, issued on May 6, 2010. Check the license (Arizona 43547, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marnie Gibson Lamm
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 43547 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 225 W Irvington RD, Tucson, AZ 85714
- Phone
- (520) 670-3909
- Enumerated
- May 6, 2010
- Record last updated
- Jan 16, 2025
- Fax
- (520) 309-2560
- Medicare enrollment
- Enrolled (PECOS I20150807013117); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 225 W Irvington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marnie Gibson Lamm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 43547Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average family medicine physician in 2024
561 Medicare Part D claims for 346 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate55 claims
- Prednisone50 claims
- Cephalexin44 claims
- Albuterol Sulfate Hfa37 claims
- Amoxicillin-Clavulanate Potass33 claims
- Fluticasone Propionate31 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.
Bills Medicare through one group practice
- EL Rio Santa Cruz Neighborhood Health Center, Inc.Tucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marnie Gibson Lamm among 3,119 family medicine physician records in Arizona
Marnie Gibson Lamm, M.D. is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2006 among the 1,775 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
554 family medicine physician records list a practice address in Tucson
They are 554 of the 18,788 NPPES records with a practice address in Tucson, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Tucson → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ann Ash, MDTucson, AZ 857141821013004
- Shirley Blancas, M.D.Tucson, AZ 857141942287628
- Daryll Brosanders, M.D.Tucson, AZ 857141144258880
- Melissa Brosanders, M.D.Tucson, AZ 857141073541694
- Christopher Dixon, D.O.Tucson, AZ 857141457552705
- Susan Hadley, MDTucson, AZ 857141437148533
- Julia Hardeman, M.D.Tucson, AZ 857141659359628
- Rosalia Kame, M.D.Tucson, AZ 857141902881766
Common questions
What is Marnie Gibson Lamm, M.D.'s NPI number?
Marnie Gibson Lamm, M.D.'s National Provider Identifier (NPI) is 1689992265, issued on May 6, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Marnie Gibson Lamm, M.D. located?
The NPPES record lists a practice address at 225 W Irvington RD, Tucson, AZ, 85714. Phone: (520) 670-3909. Providers update this record themselves, so call before visiting.
How can I verify Marnie Gibson Lamm, M.D.'s license?
NPPES lists Arizona license number 43547, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marnie Gibson Lamm, M.D. prescribe under Medicare Part D?
In 2024, Marnie Gibson Lamm, M.D. had 561 Medicare Part D claims for 346 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.