Tamara Rivenburgh-Casillas, FNP
NPI 1134102965 · Nurse Practitioner · Chandler, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tamara Rivenburgh-Casillas, FNP is a Nurse Practitioner provider in Chandler, AZ (NPI 1134102965).
Provider details
- NPI number
- 1134102965
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP0528 (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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,752 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 548 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 488 | $75 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 181 | $45 |
| Biopsy of Related Skin Growth, First Growth11102 | 149 | $76 |
| Destruction of Skin Growth, 1-14 Growths17110 | 109 | $94 |
| Biopsy of Related Skin Growth, Each Additional Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Minoxidil | 437 | 139 |
| Ketoconazole | 224 | 116 |
| Spironolactone | 125 | 39 |
| Clobetasol Propionate | 49 | 31 |
| Mupirocin | 33 | 23 |
| Hydrocortisone | 30 | 25 |
| Triamcinolone Acetonide | 17 | 16 |
| Clotrimazole | 13 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,444 across 121 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-25
- Last updated
- 2016-09-01
Frequently asked questions
- What is Tamara Rivenburgh-Casillas's NPI number?
- Tamara Rivenburgh-Casillas's National Provider Identifier (NPI) is 1134102965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tamara Rivenburgh-Casillas's specialty?
- Tamara Rivenburgh-Casillas is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tamara Rivenburgh-Casillas located?
- Tamara Rivenburgh-Casillas's practice location on file with NPPES is 1100 S. Dobson Rd, Chandler, AZ 85286.
- What is Tamara Rivenburgh-Casillas's phone number?
- The practice phone number listed in the NPPES registry for Tamara Rivenburgh-Casillas is (480) 821-8888.
- Does Tamara Rivenburgh-Casillas accept Medicare?
- Tamara Rivenburgh-Casillas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tamara Rivenburgh-Casillas's NPI active?
- Yes — Tamara Rivenburgh-Casillas's NPI (1134102965) is active in the NPPES registry as of the last update on 2016-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.