Tammy Larson-Cain, NP-C
NPI 1023394491 · Nurse Practitioner · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Larson-Cain, NP-C is a Nurse Practitioner provider in Scottsdale, AZ (NPI 1023394491).
Provider details
- NPI number
- 1023394491
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- AP4260 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
860 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 356 | $105 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 194 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 141 | $74 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 135 | $147 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 34 | $92 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 153 | 54 |
| Methotrexate Sodiumbrand: Methotrexate | 120 | 50 |
| Hydroxychloroquine Sulfate | 119 | 42 |
| Allopurinol | 58 | 18 |
| Leucovorin Calcium | 35 | 11 |
| Mycophenolate Mofetil | 28 | — |
| Colchicine | 26 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-10-28
- Last updated
- 2020-09-08
- Certified
- 2020-09-08
Frequently asked questions
- What is Tammy Larson-Cain's NPI number?
- Tammy Larson-Cain's National Provider Identifier (NPI) is 1023394491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Larson-Cain's specialty?
- Tammy Larson-Cain is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Larson-Cain located?
- Tammy Larson-Cain's practice location on file with NPPES is 13400 E Shea Blvd, Scottsdale, AZ 85259-5452.
- What is Tammy Larson-Cain's phone number?
- The practice phone number listed in the NPPES registry for Tammy Larson-Cain is (480) 301-6009.
- Does Tammy Larson-Cain accept Medicare?
- Tammy Larson-Cain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Larson-Cain's NPI active?
- Yes — Tammy Larson-Cain's NPI (1023394491) is active in the NPPES registry as of the last update on 2020-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.