NPI registry status
Active
2026 NPPES data Nuclear Cardiology Physician NPI 1669438552 MD
Verify on CMS → Prem Pillay, MD
Nuclear Cardiology Physician in Chandler, Arizona.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 374 in Nuclear Cardiology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
405
Medicare Part D claims · 83 beneficiaries · Nuclear Cardiology Physician avg: 4K
Generic prescribing
80%
generic claims · 20% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$154.99
2 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Prem Pillay, MD filed 405 Medicare Part D claims in 2023 as a Nuclear Cardiology Physician in Chandler, Arizona, prescribing 80% generic.
- 405
- Part D claims, 2023
- 80%
- generic prescribing
- Likely
- board-certified (heuristic)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Prem Pillay, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
405 Top 38% higher than 62% of 1,370,886 prescribers
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Part D Prescriber Public Use File · 2023
✓
Board certification likely (heuristic, not verified)
Prem Pillay, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 4 hospital affiliations - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Prem Pillay, MD?
Quality data not reportedPrimary specialty
Nuclear Cardiology Physician
Medicare Part D claims
405 90% vs specialty avg
Specialty distribution in Arizona
How Nuclear Cardiology Physician compares to other specialties among Arizona providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Nuclear Cardiology Physician. Verify directly:
How MIPS and board certification work
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).
Prem Pillay, MD appears in the CMS NPPES registry as a Nuclear Cardiology Physician provider holding MD credentials at 1960 W FRYE RD STE 5, Chandler, AZ, 85224, with a listed phone of (480) 917-5900. NPI 1669438552 was issued on 04/21/2006.
Medicare Part D records for calendar year 2023 show 405 prescription claims written by this provider, covering 83 Medicare beneficiaries and totaling roughly $99K in drug spend, split 20% brand-name and 80% generic by claim count.
Nuclear Cardiology Physician is a narrow specialty nationwide, with 374 enrolled providers across 37 states and an average of 4,019 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
Provider Details
| NPI | 1669438552 |
|---|---|
| Specialty | Nuclear Cardiology Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 04/21/2006 |
Hospital and facility affiliations
Facilities where Prem Pillay, MD 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.
According to CMS billing records, Prem Pillay, MD is affiliated with 4 Medicare-billing facilities across 3 states, 1 of which carry a CMS Hospital overall star rating.
Cheshire Medical Center
★★★★☆ 4/5
Keene, NH
Acute Care Hospitals
CMS CCN: 300019
Cedars Heart Clinic, LLC
Casa Grade, AZ
Dartmouth-Hitchcock Clinic
Keene, NH
Providence Health And Services Mt
Missoula, MT
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Prem Pillay, MD. Source: openpaymentsdata.cms.gov.
Total received
$155
Largest payer
Abbott Laboratories
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
Brand vs generic prescribing mix · Typical
Prem Pillay, MD - brand share 20.0%
Nuclear Cardiology Physician average
20% brand-name claims vs 80% generic, on 405 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
405
Total Claims
$99K
Total Drug Cost
83
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,085
- Total Day Supply
- 32,513
- Brand vs Generic
- 20% brand / 80% generic
- Brand Drug Cost
- $93K
- Generic Drug Cost
- $7K
Patient Demographics
- Average Patient Age
- 73.7 years
- Avg HCC Risk Score
- 1.90
- Gender Split
- 53% female / 47% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Prem Pillay, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Metoprolol Succinate
Metoprolol Succinate
47 claims
- Carvedilol
Carvedilol
35 claims
- Eliquis
Eliquis
30 claims
- Atorvastatin Calcium
Atorvastatin Calcium
27 claims
- Entresto
Entresto
25 claims
- Rosuvastatin Calcium
Rosuvastatin Calcium
23 claims
- Amlodipine Besylate
Amlodipine Besylate
21 claims
- Furosemide
Furosemide
19 claims
| Drug | Claims |
|---|---|
| Metoprolol Succinate | 47 |
| Carvedilol | 35 |
| Eliquis Apixaban | 30 |
| Atorvastatin Calcium | 27 |
| Entresto Sacubitril/Valsartan | 25 |
| Rosuvastatin Calcium | 23 |
| Amlodipine Besylate | 21 |
| Furosemide | 19 |
| Metoprolol Tartrate | 18 |
| Losartan Potassium | 16 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Nuclear Cardiology Physician Overview
How Prem Pillay, MD fits within the Nuclear Cardiology Physician landscape nationally.
374
Nuclear Cardiology Physician Providers in US
37
States with Nuclear Cardiology Physician
4,019
Avg Claims per Provider
Prem Pillay, MD's 405 claims are below the specialty average of 4,019.
Nearby Nuclear Cardiology Physician Providers in Arizona
Other clinicians with the same primary specialty enrolled in Arizona, drawn from the same CMS NPPES roster as Pillay.
Dr. Lisa Castellano
D.O.
Tucson, AZ
Laurie Dodd
Tucson, AZ
Dr. Heriberto Gutierrez
MD
Tucson, AZ
Dr. Jason Stemmer
MD
Tucson, AZ
Dr. T Struse
DO
Tucson, AZ
Compare Nuclear Cardiology Physician nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Arizona medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Nuclear Cardiology Physician peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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How insurance networks affect your costs
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Explore Arizona
Frequently Asked Questions
What is Prem Pillay, MD's specialty? ▼
Prem Pillay, MD specializes in Nuclear Cardiology Physician and practices in Chandler, Arizona. Credentials: MD.
How much does Prem Pillay, MD prescribe under Medicare Part D? ▼
In 2023, Prem Pillay, MD wrote 405 Medicare Part D claims totaling $99K in drug costs for 83 beneficiaries.
Where is Prem Pillay, MD located? ▼
Prem Pillay, MD is located at 1960 W FRYE RD STE 5, Chandler, AZ, 85224. Phone: (480) 917-5900.
What is Prem Pillay, MD's NPI number? ▼
Prem Pillay, MD's National Provider Identifier (NPI) is 1669438552, issued on 04/21/2006.
Does Prem Pillay, MD prescribe more brand-name or generic drugs? ▼
Prem Pillay, MD's prescribing is 20% brand-name and 80% generic drugs by claim count, with $93K in brand drug costs.
How many Nuclear Cardiology Physician providers are there in the US? ▼
There are 374 Nuclear Cardiology Physician providers across 37 states in the US. The average Nuclear Cardiology Physician provider writes 4,019 Medicare Part D claims per year.
What drugs does Prem Pillay, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Prem Pillay, MD's most frequently prescribed drugs include Metoprolol Succinate, Carvedilol, Eliquis. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Prem Pillay, MD accept Medicare? ▼
Prem Pillay, MD appears in CMS Medicare data with 405 Part D claims and 83 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Prem Pillay, MD's credentials? ▼
Prem Pillay, MD's NPI is 1669438552 with credentials MD. 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
View source datasets and methodology notes
- 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
Compiled from official public sources by the PlainDoctor editorial team.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.