Duane Eugene Lambert, MD
Hospitalist Physician · Flagstaff, AZ
Duane Eugene Lambert, MD is a hospitalist physician with a practice address in Flagstaff, Arizona, and NPI 1932137486, issued on Jun 30, 2006. Check the license (Arizona 43512, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Duane Eugene Lambert
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 43512 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N Beaver St, Flagstaff, AZ 86001
- Phone
- (928) 214-2920
- Enumerated
- Jun 30, 2006
- Record last updated
- Sep 2, 2022
- Fax
- (928) 214-2925
- Medicaid IDs
- 036109590 IL
554778 AZ - Medicare enrollment
- Enrolled (PECOS I20101101001484); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 775 in Arizona → Look up another NPI →
Also registered at 1200 N Beaver St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Duane Eugene Lambert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 43512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average hospitalist physician in 2024
393 Medicare Part D claims for 203 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Cefdinir44 claims
- Prednisone25 claims
- Hydrocodone-Acetaminophen20 claims
- Atorvastatin Calcium16 claims
- Eliquis16 claims
- Azithromycin14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northern Arizona Healthcare CorporationFlagstaff, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Duane Eugene Lambert among 775 hospitalist physician records in Arizona
Duane Eugene Lambert, MD is one of 775 hospitalist physician records with a practice address in Arizona. 88% 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, 79% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2000 · median 2011 among the 618 with a school on file
- Record last updated2022 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 hospitalist physician records list a practice address in Flagstaff
They are 31 of the 2,419 NPPES records with a practice address in Flagstaff, and 775 hospitalist physician records in Arizona.
All 775 in Arizona → Every provider in Flagstaff → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jairo Castrolondono, MDFlagstaff, AZ 860011730239310
- Matthew Dunn, MDFlagstaff, AZ 860011508068495
- Kathryn Feuquay, MDFlagstaff, AZ 860011689878530
- Derek Feuquay, M.D.Flagstaff, AZ 860011306040258
- Elizabeth Harding, M.D.Flagstaff, AZ 860011700871688
- Edward Markman, D.O.Flagstaff, AZ 860011033327119
- Matthew Rydberg, MDFlagstaff, AZ 860011649285446
- Donna Sassaman, MDFlagstaff, AZ 860011568429256
Common questions
What is Duane Eugene Lambert, MD's NPI number?
Duane Eugene Lambert, MD's National Provider Identifier (NPI) is 1932137486, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Duane Eugene Lambert, MD located?
The NPPES record lists a practice address at 1200 N Beaver St, Flagstaff, AZ, 86001. Phone: (928) 214-2920. Providers update this record themselves, so call before visiting.
How can I verify Duane Eugene Lambert, MD's license?
NPPES lists Arizona license number 43512, 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 Duane Eugene Lambert, MD prescribe under Medicare Part D?
In 2024, Duane Eugene Lambert, MD had 393 Medicare Part D claims for 203 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Duane Eugene Lambert, MD's MIPS final score?
The 2023 MIPS final score is 77 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.