NPI registry status
Active
2026 NPPES data Geriatric Medicine (Internal Medicine) Physician NPI 1295764637 MD
Verify on CMS → Nancy Stiles, MD
Geriatric Medicine (Internal Medicine) Physician in Lexington, Kentucky.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 4,161 in Geriatric Medicine (Internal Medicine) 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
44
Medicare Part D claims · 22 beneficiaries · Geriatric Medicine (Internal Medicine) Physician avg: 4K
MIPS score
100/100
▲ 17 pts above national avg 83.1 · Exceptional
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Nancy Stiles, MD reported a CMS MIPS final score of 100/100 - above the 83.1 national average - and filed 44 Medicare Part D claims in 2023.
- 100/100
- MIPS score · +17 vs avg
- 44
- Part D claims, 2023
- 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.
Nancy Stiles, MD's MIPS score vs every scored U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure
100 Top 7% higher than 93% of 477,587 scored providers
Each bar is a band; taller bars hold more scored providers. 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 Merit-based Incentive Payment System (MIPS) · 2023
Where Nancy Stiles, MD sits
This provider among geriatric medicine (internal medicine) physician peers
Across the 724 geriatric medicine (internal medicine) physician providers who report both Medicare Part D prescribing and a MIPS quality score, Nancy Stiles, MD writes more Part D claims than 5% of them and scores higher on MIPS quality than 94% - placing this provider in the lower-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Part D claim volume vs MIPS quality, by specialty percentile
Each dot is one geriatric medicine (internal medicine) physician peer from a representative sample of 60; the gold marker is Nancy Stiles, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Nancy Stiles, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - 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 Nancy Stiles, MD?
High performer (top quartile)Primary specialty
Geriatric Medicine (Internal Medicine) Physician
Medicare Part D claims
44 99% vs specialty avg
MIPS final score
100/100 16.9 pts vs avg
Specialty distribution in Kentucky
How Geriatric Medicine (Internal Medicine) Physician compares to other specialties among Kentucky providers
Medicare quality performance, MIPS
Nancy Stiles, MD's 2023 MIPS final score plotted against the Geriatric Medicine (Internal Medicine) Physician national average
- MIPS Final Score
- 100/100
- vs 83.1 national avg · 2023 performance year
MIPS final score (Geriatric Medicine (Internal Medicine) Physician) - 100/100 vs national avg 83.1
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).
Nancy Stiles, MD appears in the CMS NPPES registry as a Geriatric Medicine (Internal Medicine) Physician provider holding MD credentials at 740 SOUTH LIMESTONE, Lexington, KY, 40536, with a listed phone of (859) 257-4888. NPI 1295764637 was issued on 06/30/2006.
Medicare Part D records for calendar year 2023 show 44 prescription claims written by this provider, covering 22 Medicare beneficiaries and totaling roughly $27K in drug spend, with an opioid prescribing rate of 31.8%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 100/100 for the 2023 performance year, compared with the national average of 83.1.
Geriatric Medicine (Internal Medicine) Physician is a narrow specialty nationwide, with 4,161 enrolled providers across 52 states and an average of 4,450 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 | 1295764637 |
|---|---|
| Specialty | Geriatric Medicine (Internal Medicine) Physician |
| Credentials | MD |
| Gender | Female |
| NPI Issued | 06/30/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
100
Final Score
Avg: 83.1
100
Promoting Interoperability
Reporting: Group practice
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
44
Total Claims
$27K
Total Drug Cost
22
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 44
- Total Day Supply
- 584
- Generic Drug Cost
- $26K
- Opioid Claims
- 14 (31.8% rate)
- Antibiotic Claims
- 15
Patient Demographics
- Average Patient Age
- 71.2 years
- Avg HCC Risk Score
- 2.81
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Oxycodone Hcl | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Geriatric Medicine (Internal Medicine) Physician in KY →
All providers in Kentucky →
Compare specialties →
Geriatric Medicine (Internal Medicine) Physician Overview
How Nancy Stiles, MD fits within the Geriatric Medicine (Internal Medicine) Physician landscape nationally.
4,161
Geriatric Medicine (Internal Medicine) Physician Providers in US
52
States with Geriatric Medicine (Internal Medicine) Physician
4,450
Avg Claims per Provider
Nancy Stiles, MD's 44 claims are below the specialty average of 4,450.
Nearby Geriatric Medicine (Internal Medicine) Physician Providers in Kentucky
Other clinicians with the same primary specialty enrolled in Kentucky, drawn from the same CMS NPPES roster as Stiles.
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 Kentucky medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Geriatric Medicine (Internal Medicine) 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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Understanding Medicare Claims Data
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Explore Kentucky
Frequently Asked Questions
What is Nancy Stiles, MD's specialty? ▼
Nancy Stiles, MD specializes in Geriatric Medicine (Internal Medicine) Physician and practices in Lexington, Kentucky. Credentials: MD.
How much does Nancy Stiles, MD prescribe under Medicare Part D? ▼
In 2023, Nancy Stiles, MD wrote 44 Medicare Part D claims totaling $27K in drug costs for 22 beneficiaries.
What is Nancy Stiles, MD's Medicare quality score? ▼
Nancy Stiles, MD has a CMS MIPS Final Score of 100/100. The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Nancy Stiles, MD located? ▼
Nancy Stiles, MD is located at 740 SOUTH LIMESTONE, Lexington, KY, 40536. Phone: (859) 257-4888.
What is Nancy Stiles, MD's NPI number? ▼
Nancy Stiles, MD's National Provider Identifier (NPI) is 1295764637, issued on 06/30/2006.
Does Nancy Stiles, MD prescribe opioids? ▼
Yes, Nancy Stiles, MD had 14 opioid claims in 2023 with an opioid prescribing rate of 31.8%.
How many Geriatric Medicine (Internal Medicine) Physician providers are there in the US? ▼
There are 4,161 Geriatric Medicine (Internal Medicine) Physician providers across 52 states in the US. The average Geriatric Medicine (Internal Medicine) Physician provider writes 4,450 Medicare Part D claims per year.
What drugs does Nancy Stiles, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Nancy Stiles, MD's most frequently prescribed drugs include Oxycodone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Nancy Stiles, MD accept Medicare? ▼
Nancy Stiles, MD appears in CMS Medicare data with 44 Part D claims and 22 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Nancy Stiles, MD's credentials? ▼
Nancy Stiles, MD's NPI is 1295764637 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.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- 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.