NPI registry status
Active
2026 NPPES data Medical Oncology Physician NPI 1114121092 M.D.
Verify on CMS → Christopher Fletcher, M.D.
Medical Oncology Physician in Madison, Wisconsin.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 3,815 in Medical Oncology 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
286
Medicare Part D claims · 32 beneficiaries · Medical Oncology Physician avg: 689
Generic prescribing
81%
generic claims · 19% brand-name · higher generic rates reduce patient out-of-pocket costs
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
Christopher Fletcher, M.D. filed 286 Medicare Part D claims in 2023 as a Medical Oncology Physician in Madison, Wisconsin, prescribing 81% generic.
- 286
- Part D claims, 2023
- 81%
- 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.
Christopher Fletcher, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
286 49th percentile higher than 49% 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)
Christopher Fletcher, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation - 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 Christopher Fletcher, M.D.?
Quality data not reportedPrimary specialty
Medical Oncology Physician
Medicare Part D claims
286 58% vs specialty avg
Specialty distribution in Wisconsin
How Medical Oncology Physician compares to other specialties among Wisconsin 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 Medical Oncology 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).
Christopher Fletcher, M.D. appears in the CMS NPPES registry as a Medical Oncology Physician provider holding M.D. credentials at 600 HIGHLAND AVE, Madison, WI, 53792, with a listed phone of (608) 265-8690. NPI 1114121092 was issued on 06/13/2007.
Medicare Part D records for calendar year 2023 show 286 prescription claims written by this provider, covering 32 Medicare beneficiaries and totaling roughly $640K in drug spend, split 19% brand-name and 81% generic by claim count.
Medical Oncology Physician is a narrow specialty nationwide, with 3,815 enrolled providers across 53 states and an average of 689 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 | 1114121092 |
|---|---|
| Specialty | Medical Oncology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 06/13/2007 |
Hospital and facility affiliations
Facilities where Christopher Fletcher, M.D. 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.
University OF Wisconsin Medical Foundation Inc
Madison, WI
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Typical
Christopher Fletcher, M.D. - brand share 19.0%
Medical Oncology Physician average
19% brand-name claims vs 81% generic, on 286 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.
286
Total Claims
$640K
Total Drug Cost
32
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 390
- Total Day Supply
- 9,924
- Brand vs Generic
- 19% brand / 81% generic
- Brand Drug Cost
- $631K
- Generic Drug Cost
- $9K
- Antibiotic Claims
- 26
Patient Demographics
- Average Patient Age
- 71.9 years
- Avg HCC Risk Score
- 2.61
- Gender Split
- 34% female / 66% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Christopher Fletcher, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Acyclovir
Acyclovir
83 claims
- Sulfamethoxazole-T… 26
Sulfamethoxazole-Trimethoprim
26 claims
- Famotidine 25
Famotidine
25 claims
- Prednisone 18
Prednisone
18 claims
- Prochlorperazine M… 17
Prochlorperazine Maleate
17 claims
- Ondansetron Hcl 15
Ondansetron Hcl
15 claims
- Brukinsa 13
Brukinsa
13 claims
- Zarxio 13
Zarxio
13 claims
| Drug | Claims |
|---|---|
| Acyclovir | 83 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 26 |
| Famotidine | 25 |
| Prednisone | 18 |
| Prochlorperazine Maleate | 17 |
| Ondansetron Hcl | 15 |
| Brukinsa Zanubrutinib | 13 |
| Zarxio Filgrastim-Sndz | 13 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Medical Oncology Physician Overview
How Christopher Fletcher, M.D. fits within the Medical Oncology Physician landscape nationally.
3,815
Medical Oncology Physician Providers in US
53
States with Medical Oncology Physician
689
Avg Claims per Provider
Christopher Fletcher, M.D.'s 286 claims are below the specialty average of 689.
Nearby Medical Oncology Physician Providers in Wisconsin
Other clinicians with the same primary specialty enrolled in Wisconsin, drawn from the same CMS NPPES roster as Fletcher.
Dr. Kamal Kant Singh Abbi
M.D.
Green Bay, WI
Syed Abutalib
Milwaukee, WI
Dr. Jacob Adashek
DO
Germantown, WI
Dr. Mark Albertini
MD
Madison, WI
Lynn Baatz
Manitowoc, WI
Compare Medical Oncology 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 Wisconsin medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Medical Oncology 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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Frequently Asked Questions
What is Christopher Fletcher, M.D.'s specialty? ▼
Christopher Fletcher, M.D. specializes in Medical Oncology Physician and practices in Madison, Wisconsin. Credentials: M.D..
How much does Christopher Fletcher, M.D. prescribe under Medicare Part D? ▼
In 2023, Christopher Fletcher, M.D. wrote 286 Medicare Part D claims totaling $640K in drug costs for 32 beneficiaries.
Where is Christopher Fletcher, M.D. located? ▼
Christopher Fletcher, M.D. is located at 600 HIGHLAND AVE, Madison, WI, 53792. Phone: (608) 265-8690.
What is Christopher Fletcher, M.D.'s NPI number? ▼
Christopher Fletcher, M.D.'s National Provider Identifier (NPI) is 1114121092, issued on 06/13/2007.
Does Christopher Fletcher, M.D. prescribe more brand-name or generic drugs? ▼
Christopher Fletcher, M.D.'s prescribing is 19% brand-name and 81% generic drugs by claim count, with $631K in brand drug costs.
How many Medical Oncology Physician providers are there in the US? ▼
There are 3,815 Medical Oncology Physician providers across 53 states in the US. The average Medical Oncology Physician provider writes 689 Medicare Part D claims per year.
What drugs does Christopher Fletcher, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Christopher Fletcher, M.D.'s most frequently prescribed drugs include Acyclovir, Sulfamethoxazole-Trimethoprim, Famotidine. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Christopher Fletcher, M.D. accept Medicare? ▼
Christopher Fletcher, M.D. appears in CMS Medicare data with 286 Part D claims and 32 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Christopher Fletcher, M.D.'s credentials? ▼
Christopher Fletcher, M.D.'s NPI is 1114121092 with credentials M.D.. 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.