NPPES file of Aug 9, 2026

Tammy L. Larson-Cain, NP-C

Nurse Practitioner · Scottsdale, AZ

Tammy L. Larson-Cain, NP-C is a nurse practitioner with a practice address in Scottsdale, Arizona, and NPI 1023394491, issued on Oct 28, 2011. Check the license (Arizona AP4260, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023394491
Name
Tammy L. Larson-Cain
Credential
NP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
AP4260 AZ
Self-reported in NPPES; status is on the state search
Practice location
13400 E Shea Blvd, Scottsdale, AZ 85259
Phone
(480) 301-6009
Enumerated
Oct 28, 2011
Record last updated
Sep 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120207000093); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 13400 E Shea Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rawad Abbas, MDNeurological Surgery Physician1255028825
  2. Abdelmohaymin Abdalla, MDPulmonary Disease Physician1871081505
  3. Hesham Mubarak Abdalla, M.B.B.S.Internal Medicine Physician1013696111
  4. Mahmoud Abdelnabi, MDCardiovascular Disease Physician1548934714
  5. Haidar Abdul-Muhsin, M.B.CH.B.Urology Physician1356755250
  6. Ali Abdulsahib, MDInfectious Disease Physician1417535030

Verify Tammy L. Larson-Cain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license AP4260
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

29% fewer Medicare Part D claims than the average nurse practitioner in 2024

789 Medicare Part D claims for 178 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Tammy Larson-Cain789
  2. Specialty average1,109

Most prescribed

  1. Prednisone153 claims
  2. Methotrexate120 claims
  3. Hydroxychloroquine Sulfate119 claims
  4. Allopurinol58 claims
  5. Leucovorin Calcium35 claims
  6. Mycophenolate Mofetil28 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): 78.6 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.

  1. Qualityout of 100 · 30% of the final score69.1
  2. Costout of 100 · 30%59.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mayo Clinic ArizonaScottsdale, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

262 nurse practitioner records list a practice address in Scottsdale

They are 262 of the 11,008 NPPES records with a practice address in Scottsdale, and 1,423 nurse practitioner records in Arizona.

Other nurse practitioner records in Arizona

  1. Emma Abbey, NP-CTucson, AZ1548822562
  2. Ashley Abell, MSN, RN, FNP-CScottsdale, AZ1679041099
  3. Meredith AbneyChandler, AZ1568392124
  4. Armando Abucejo, AGACNP-BCPhoenix, AZ1649785288
  5. Belinda Acosta, FNPTucson, AZ1386622660
  6. Caitlin Adamowicz, NPScottsdale, AZ1104583152
  7. Jamie AdamsFort Defiance, AZ1144007097
  8. Kalekia Adams, DNPScottsdale, AZ1619555034
  9. Rachael Adger, NPTucson, AZ1306806443
  10. Jacqueline Agenbroad, NPPhoenix, AZ1447222328

Common questions

What is Tammy L. Larson-Cain, NP-C's NPI number?

Tammy L. Larson-Cain, NP-C's National Provider Identifier (NPI) is 1023394491, issued on Oct 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Tammy L. Larson-Cain, NP-C located?

The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-6009. Providers update this record themselves, so call before visiting.

How can I verify Tammy L. Larson-Cain, NP-C's license?

NPPES lists Arizona license number AP4260, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Tammy L. Larson-Cain, NP-C prescribe under Medicare Part D?

In 2024, Tammy L. Larson-Cain, NP-C had 789 Medicare Part D claims for 178 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Tammy L. Larson-Cain, NP-C's MIPS final score?

The 2023 MIPS final score is 78.6 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.