NPI registry status
Active
2026 NPPES data Gastroenterology Physician NPI 1457552689 M.D.
Verify on CMS → Erica Samuel, M.D.
Gastroenterology Physician in Milwaukee, 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 16,567 in Gastroenterology 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
716
Medicare Part D claims · 326 beneficiaries · Gastroenterology Physician avg: 833
Generic prescribing
83%
generic claims · 17% 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
Erica Samuel, M.D. filed 716 Medicare Part D claims in 2023 as a Gastroenterology Physician in Milwaukee, Wisconsin, prescribing 83% generic.
- 716
- Part D claims, 2023
- 83%
- 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.
Erica Samuel, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
716 Top 29% higher than 71% 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)
Erica Samuel, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 3 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 Erica Samuel, M.D.?
Quality data not reportedPrimary specialty
Gastroenterology Physician
Medicare Part D claims
716 14% vs specialty avg
Specialty distribution in Wisconsin
How Gastroenterology 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 Gastroenterology 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).
Erica Samuel, M.D. appears in the CMS NPPES registry as a Gastroenterology Physician provider holding M.D. credentials at 2801 W KINNICKINNIC RIVER PKWY STE 1080, Milwaukee, WI, 53215, with a listed phone of (414) 908-6506. NPI 1457552689 was issued on 05/28/2007.
Medicare Part D records for calendar year 2023 show 716 prescription claims written by this provider, covering 326 Medicare beneficiaries and totaling roughly $66K in drug spend, split 17% brand-name and 83% generic by claim count.
Gastroenterology Physician is a mid-sized specialty nationwide, with 16,567 enrolled providers across 54 states and an average of 833 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 | 1457552689 |
|---|---|
| Specialty | Gastroenterology Physician |
| Credentials | M.D. |
| Gender | Female |
| NPI Issued | 05/28/2007 |
Hospital and facility affiliations
Facilities where Erica Samuel, 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.
According to CMS billing records, Erica Samuel, M.D. is affiliated with 3 Medicare-billing facilities.
Gastroenterology Specialists SC
Wauwatosa, WI
GI Associates LLC
Milwaukee, WI
Milwaukee GI Specialists SC
Wauwatosa, 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
Erica Samuel, M.D. - brand share 17.0%
Gastroenterology Physician average
17% brand-name claims vs 83% generic, on 716 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.
716
Total Claims
$66K
Total Drug Cost
326
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,189
- Total Day Supply
- 28,745
- Brand vs Generic
- 17% brand / 83% generic
- Brand Drug Cost
- $35K
- Generic Drug Cost
- $32K
Patient Demographics
- Average Patient Age
- 71.3 years
- Avg HCC Risk Score
- 0.86
- Gender Split
- 71% female / 29% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Erica Samuel, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Omeprazole
Omeprazole
176 claims
- Pantoprazole Sodium
Pantoprazole Sodium
127 claims
- Famotidine 25
Famotidine
25 claims
- Linzess 17
Linzess
17 claims
- Mesalamine 16
Mesalamine
16 claims
- Cholestyramine 15
Cholestyramine
15 claims
- Ondansetron Hcl 15
Ondansetron Hcl
15 claims
- Mesalamine Er 14
Mesalamine Er
14 claims
| Drug | Claims |
|---|---|
| Omeprazole | 176 |
| Pantoprazole Sodium | 127 |
| Famotidine | 25 |
| Linzess Linaclotide | 17 |
| Mesalamine | 16 |
| Cholestyramine Cholestyramine (With Sugar) | 15 |
| Ondansetron Hcl | 15 |
| Mesalamine Er Mesalamine | 14 |
| Motegrity Prucalopride Succinate | 12 |
| Azathioprine | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Gastroenterology Physician Overview
How Erica Samuel, M.D. fits within the Gastroenterology Physician landscape nationally.
16,567
Gastroenterology Physician Providers in US
54
States with Gastroenterology Physician
833
Avg Claims per Provider
Erica Samuel, M.D.'s 716 claims are below the specialty average of 833.
Nearby Gastroenterology Physician Providers in Wisconsin
Other clinicians with the same primary specialty enrolled in Wisconsin, drawn from the same CMS NPPES roster as Samuel.
Dr. Frank Aberger
MD
La Crosse, WI
Dr. Aboud Affi
M.D.
Milwaukee, WI
Dr. Banke Agarwal
MD
La Crosse, WI
Dr. Parul Agarwal
M.D.
Madison, WI
Dr. Dilpesh Agrawal
M.D, MRCP
Milwaukee, WI
Compare Gastroenterology 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 Gastroenterology 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.
Healthcare Guides
Learn more about finding, verifying, and understanding healthcare providers.
How to Find a Doctor
Step-by-step guide to choosing a provider
Verify Credentials
Check NPI, board certification & license status
Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
In-Network vs Out-of-Network
How insurance networks affect your costs
Telehealth Guide
Virtual care options and coverage in 2026
Explore Wisconsin
Frequently Asked Questions
What is Erica Samuel, M.D.'s specialty? ▼
Erica Samuel, M.D. specializes in Gastroenterology Physician and practices in Milwaukee, Wisconsin. Credentials: M.D..
How much does Erica Samuel, M.D. prescribe under Medicare Part D? ▼
In 2023, Erica Samuel, M.D. wrote 716 Medicare Part D claims totaling $66K in drug costs for 326 beneficiaries.
Where is Erica Samuel, M.D. located? ▼
Erica Samuel, M.D. is located at 2801 W KINNICKINNIC RIVER PKWY STE 1080, Milwaukee, WI, 53215. Phone: (414) 908-6506.
What is Erica Samuel, M.D.'s NPI number? ▼
Erica Samuel, M.D.'s National Provider Identifier (NPI) is 1457552689, issued on 05/28/2007.
Does Erica Samuel, M.D. prescribe more brand-name or generic drugs? ▼
Erica Samuel, M.D.'s prescribing is 17% brand-name and 83% generic drugs by claim count, with $35K in brand drug costs.
How many Gastroenterology Physician providers are there in the US? ▼
There are 16,567 Gastroenterology Physician providers across 54 states in the US. The average Gastroenterology Physician provider writes 833 Medicare Part D claims per year.
What drugs does Erica Samuel, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Erica Samuel, M.D.'s most frequently prescribed drugs include Omeprazole, Pantoprazole Sodium, Famotidine. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Erica Samuel, M.D. accept Medicare? ▼
Erica Samuel, M.D. appears in CMS Medicare data with 716 Part D claims and 326 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Erica Samuel, M.D.'s credentials? ▼
Erica Samuel, M.D.'s NPI is 1457552689 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.