2026 NPPES data Registered Nurse NPI 1952779449
Verify on CMS →

TAMMY COLLANDER

Registered Nurse in LAS VEGAS, Nevada. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
469
Medicare Part D claims · 183 beneficiaries · Registered Nurse avg: 1K
What the federal data reveals: TAMMY COLLANDER is a Registered Nurse ([object Object]) practicing in LAS VEGAS, Nevada with a Medicare Part D prescribing footprint of 469 claims across 183 beneficiaries .

What stands out: TAMMY COLLANDER filed 469 Medicare Part D claims in 2023 across LAS VEGAS, Nevada. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

TAMMY COLLANDER at a glance

Quality data not reported

NPI registry status

Active

Issued 09/14/2015

NPI 1952779449

Primary specialty

Registered Nurse

High-volume

175,652 US NPIs in this specialty

Medicare Part D claims

469 53% vs specialty avg

2023 prescription claims

Specialty avg: 1,000

Specialty distribution in Nevada

How Registered Nurse compares to other specialties among Nevada providers

Nevada providers

Registered Nurse share within Nevada

1. Registered Nurse42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Registered Nurse share within Nevada

Specialty board-certification context

Estimated specialty board-certified rate — Registered Nurse (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Registered Nurse ABMS/AOA estimate

Est. board-certified rate (Registered Nurse) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Registered Nurse) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

TAMMY COLLANDER is a Registered Nurse provider practicing in LAS VEGAS, Nevada, according to the CMS National Plan and Provider Enumeration System (NPPES). NPI: 1952779449. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

TAMMY COLLANDER appears in the CMS NPPES registry as a Registered Nurse provider at 2831 BUSINESS PARK CT # 130A, LAS VEGAS, NV, 89128, with a listed phone of (702) 844-4848. NPI 1952779449 was issued on 09/14/2015. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what COLLANDER most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 469 prescription claims written by this provider, covering 183 Medicare beneficiaries and totaling roughly $58K in drug spend. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Registered Nurse is a high-volume specialty nationwide, with 175,652 enrolled providers across 56 states and an average of 1,000 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

2831 BUSINESS PARK CT # 130A
LAS VEGAS, NV 89128

Provider Details

NPI 1952779449
Specialty Registered Nurse
Gender Female
NPI Issued 09/14/2015

Hospital and facility affiliations

Facilities where TAMMY COLLANDER bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

OPTUM MEDICAL GROUP II RHODES P C
LAS VEGAS, NV

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

469
Total Claims
$58K
Total Drug Cost
183
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,158
Total Day Supply
33,626
Generic Drug Cost
$8K
Antibiotic Claims
17

Patient Demographics

Average Patient Age
73.0 years
Avg HCC Risk Score
1.48
Gender Split
79% female / 21% male

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Atorvastatin Calcium
40
Levothyroxine Sodium
33
Alendronate Sodium
29
Amlodipine Besylate
20
Losartan Potassium
20
Omeprazole
20
Trulicity
Dulaglutide
17
Simvastatin
14
Lisinopril
12
Metformin Hcl
12

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Registered Nurse Overview

How TAMMY COLLANDER fits within the Registered Nurse landscape nationally.

175,652
Registered Nurse Providers in US
56
States with Registered Nurse
1,000
Avg Claims per Provider

TAMMY COLLANDER's 469 claims are below the specialty average of 1,000.

Nearby Registered Nurse Providers in Nevada

Other clinicians with the same primary specialty enrolled in Nevada, drawn from the same CMS NPPES roster as COLLANDER.

Compare Registered Nurse nationally: see state-by-state distribution →

Frequently Asked Questions

What is TAMMY COLLANDER's specialty?
TAMMY COLLANDER specializes in Registered Nurse and practices in LAS VEGAS, Nevada.
How much does TAMMY COLLANDER prescribe under Medicare Part D?
In 2023, TAMMY COLLANDER wrote 469 Medicare Part D claims totaling $58K in drug costs for 183 beneficiaries.
Where is TAMMY COLLANDER located?
TAMMY COLLANDER is located at 2831 BUSINESS PARK CT # 130A, LAS VEGAS, NV, 89128. Phone: (702) 844-4848.
What is TAMMY COLLANDER's NPI number?
TAMMY COLLANDER's National Provider Identifier (NPI) is 1952779449, issued on 09/14/2015.
How many Registered Nurse providers are there in the US?
There are 175,652 Registered Nurse providers across 56 states in the US. The average Registered Nurse provider writes 1,000 Medicare Part D claims per year.
What drugs does TAMMY COLLANDER prescribe most often?
Based on 2023 Medicare Part D data, TAMMY COLLANDER's most frequently prescribed drugs include Atorvastatin Calcium, Levothyroxine Sodium, Alendronate Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does TAMMY COLLANDER accept Medicare?
TAMMY COLLANDER appears in CMS Medicare data with 469 Part D claims and 183 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify TAMMY COLLANDER's credentials?
TAMMY COLLANDER's NPI is 1952779449. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology