Paul S. Larson, M.D.
Neurological Surgery Physician · Tucson, AZ
Paul S. Larson, M.D. is a neurological surgery physician with a practice address in Tucson, Arizona, and NPI 1013005321, issued on Oct 11, 2006. Check the license (Arizona 63422, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Paul S. Larson
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- 63422 AZ
A76564 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1501 N Campbell Ave, Tucson, AZ 85724
- Phone
- (520) 626-4936
- Enumerated
- Oct 11, 2006
- Record last updated
- Jul 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (520) 626-8313
- Medicare enrollment
- Enrolled (PECOS I20210618001387); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 198 in Arizona → Look up another NPI →
Also registered at 1501 N Campbell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexa Aaronson, MDPediatrics Physician1427793652
- Mohammed Abbas, MDOrthopaedic Surgery Physician1003437872
- Josephine Acuna, M.DEmergency Medicine Physician1710325287
- Rodney Adam, MDInfectious Disease Physician1548249485
- Matthew Adams, D.O.Infectious Disease Physician1578941720
- Elana Addis, M.DObstetrics & Gynecology Physician1730150582
Verify Paul S. Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 63422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average neurological surgery physician in 2024
20 Medicare Part D claims for 18 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 18 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen16 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $10,773.08
38 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 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.
Bills Medicare through one group practice
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul S. Larson among 198 neurological surgery physician records in Arizona
Paul S. Larson, M.D. is one of 198 neurological surgery physician records with a practice address in Arizona. 77% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 64% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 124 with a school on file
- Record last updated2021 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Arizona
There are 198 neurological surgery physician records in Arizona.
All 198 in Arizona → Every provider in Tucson → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Ibrahim Alhalal, MBBSTucson, AZ 857241093541815
- Anthony Avellino, MD, MBATucson, AZ 857241730279621
- Jack Dunn, M.D.Tucson, AZ 857241437139037
- Kareem El Naamani, MDTucson, AZ 857241548013634
- Dara Farhadi, MDTucson, AZ 857241366133662
- Colin Gold, MDTucson, AZ 857241457874745
- Allan Hamilton, MD, FACSTucson, AZ 857241689885469
- Kirsty Hamilton, MBBSTucson, AZ 857241437702180
Common questions
What is Paul S. Larson, M.D.'s NPI number?
Paul S. Larson, M.D.'s National Provider Identifier (NPI) is 1013005321, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul S. Larson, M.D. located?
The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 626-4936. Providers update this record themselves, so call before visiting.
How can I verify Paul S. Larson, M.D.'s license?
NPPES lists Arizona license number 63422, 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 Paul S. Larson, M.D. prescribe under Medicare Part D?
In 2024, Paul S. Larson, M.D. had 20 Medicare Part D claims for 18 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
What is Paul S. Larson, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.