NPI registry status
Active
2026 NPPES data Addiction Medicine (Internal Medicine) Physician NPI 1992894372 MD
Verify on CMS → Rebecca Kellum, MD
Addiction Medicine (Internal Medicine) 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 553 in Addiction 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
331
Medicare Part D claims · 39 beneficiaries · Addiction Medicine (Internal Medicine) Physician avg: 1K
What the federal data shows
Rebecca Kellum, MD filed 331 Medicare Part D claims in 2023 as an Addiction Medicine (Internal Medicine) Physician in Madison, Wisconsin.
- 331
- Part D claims, 2023
- Likely
- board-certified (heuristic)
- ≥57th
- pct by Part D claim volume (lower-bound band)
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.
Federal trust snapshot
What official records show about Rebecca Kellum, MD
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1992894372), first enumerated 10/12/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 331 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
1 CMS Care Compare hospital affiliation on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1992894372 · Addiction Medicine (Internal Medicine) Physician
NPI-10 · ENUM-LEGACY · TAX-NARROW · RX-LIGHT · BOOK-THIN · PHOTO-ENUM
- NPI-10 1992894372
- ENUM-LEGACY 2006
- TAX-NARROW 553
- RX-LIGHT 331
- BOOK-THIN 17 in Wisconsin
- PHOTO-ENUM Gary McBride · 2006
Rebecca Kellum, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
331 ≥ 57th percentile 57% of 1,370,886 prescribers are in lower value bands
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.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2023
✓
Board certification likely (heuristic, not verified)
Rebecca Kellum, MD 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 Rebecca Kellum, MD?
Quality data not reportedPrimary specialty
Addiction Medicine (Internal Medicine) Physician
Medicare Part D claims
331 76% vs specialty avg
Specialty distribution in Wisconsin
How Addiction Medicine (Internal Medicine) 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 Addiction Medicine (Internal Medicine) 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).
Practice Address
Provider Details
| NPI | 1992894372 |
|---|---|
| Specialty | Addiction Medicine (Internal Medicine) Physician |
| Credentials | MD |
| Gender | Female |
| NPI Issued | 10/12/2006 |
Hospital and facility affiliations
Facilities where Rebecca Kellum, 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.
Meriter Hospital 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).
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
331
Total Claims
$32K
Total Drug Cost
39
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 365
- Total Day Supply
- 9,109
- Generic Drug Cost
- $21K
Patient Demographics
- Average Patient Age
- 55.6 years
- Avg HCC Risk Score
- 1.97
- Gender Split
- 49% female / 51% male
- Age Distribution
- <65: 26, 65-74: 11, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Rebecca Kellum, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Buprenorphine-Nalo…
Buprenorphine-Naloxone
49 claims
- Ropinirole Hcl
Ropinirole Hcl
26 claims
- Naltrexone Hcl 17
Naltrexone Hcl
17 claims
- Pantoprazole Sodium 14
Pantoprazole Sodium
14 claims
- Doxepin Hcl 13
Doxepin Hcl
13 claims
- Metoprolol Succinate 13
Metoprolol Succinate
13 claims
- Atorvastatin Calcium 12
Atorvastatin Calcium
12 claims
- Enalapril Maleate 12
Enalapril Maleate
12 claims
| Drug | Claims |
|---|---|
| Buprenorphine-Naloxone Buprenorphine Hcl/Naloxone Hcl | 49 |
| Ropinirole Hcl | 26 |
| Naltrexone Hcl | 17 |
| Pantoprazole Sodium | 14 |
| Doxepin Hcl | 13 |
| Metoprolol Succinate | 13 |
| Atorvastatin Calcium | 12 |
| Enalapril Maleate | 12 |
| Levothyroxine Sodium | 12 |
| Dextroamphetamine-Amphetamine Dextroamphetamine/Amphetamine | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Addiction Medicine (Internal Medicine) Physician in WI →
All providers in Wisconsin →
Compare specialties →
Addiction Medicine (Internal Medicine) Physician Overview
How Rebecca Kellum, MD fits within the Addiction Medicine (Internal Medicine) Physician landscape nationally.
553
Addiction Medicine (Internal Medicine) Physician Providers in US
46
States with Addiction Medicine (Internal Medicine) Physician
1,403
Avg Claims per Provider
Rebecca Kellum, MD's 331 claims are below the specialty average of 1,403.
Nationwide Addiction Medicine (Internal Medicine) Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Kellum, both outside Wisconsin so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Addiction Medicine (Internal Medicine) Physician Providers in Wisconsin
Other clinicians with the same primary specialty enrolled in Wisconsin, drawn from the same CMS NPPES roster as Kellum.
One of 17 Addiction Medicine (Internal Medicine) Physician providers enrolled in Wisconsin, 5 are shown here.
Frequently Asked Questions
What is Rebecca Kellum, MD's specialty? ▼
Rebecca Kellum, MD specializes in Addiction Medicine (Internal Medicine) Physician and practices in Madison, Wisconsin. Credentials: MD.
How much does Rebecca Kellum, MD prescribe under Medicare Part D? ▼
In 2023, Rebecca Kellum, MD wrote 331 Medicare Part D claims totaling $32K in drug costs for 39 beneficiaries.
Where is Rebecca Kellum, MD located? ▼
Rebecca Kellum, MD is located at 1015 GAMMON LN, Madison, WI, 53719. Phone: (608) 417-8144.
What is Rebecca Kellum, MD's NPI number? ▼
Rebecca Kellum, MD's National Provider Identifier (NPI) is 1992894372, issued on 10/12/2006.
How many Addiction Medicine (Internal Medicine) Physician providers are there in the US? ▼
There are 553 Addiction Medicine (Internal Medicine) Physician providers across 46 states in the US. The average Addiction Medicine (Internal Medicine) Physician provider writes 1,403 Medicare Part D claims per year.
What drugs does Rebecca Kellum, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Rebecca Kellum, MD's most frequently prescribed drugs include Buprenorphine-Naloxone, Ropinirole Hcl, Naltrexone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Rebecca Kellum, MD accept Medicare? ▼
Rebecca Kellum, MD appears in CMS Medicare data with 331 Part D claims and 39 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Rebecca Kellum, MD's credentials? ▼
Rebecca Kellum, MD's NPI is 1992894372 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
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.