NPI registry status
Active
2026 NPPES data Clinical Cardiac Electrophysiology Physician NPI 1932102647 M.D.
Verify on CMS → Joseph Pennington, M.D.
Clinical Cardiac Electrophysiology Physician in Wilmington, Delaware.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 1,668 in Clinical Cardiac Electrophysiology 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
2K
Medicare Part D claims · 354 beneficiaries · Clinical Cardiac Electrophysiology Physician avg: 2K
Generic prescribing
77%
generic claims · 23% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$1.0K
18 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Joseph Pennington, M.D. filed 1,947 Medicare Part D claims in 2024 as a Clinical Cardiac Electrophysiology Physician in Wilmington, Delaware, prescribing 77% generic.
- 2K
- Part D claims, 2024
- 77%
- generic prescribing
- $1.0K
- industry payments (Sunshine Act)
- ≥83rd
- 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 Joseph Pennington, M.D.
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 1932102647), first enumerated 05/27/2005.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 1,947 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
Practices in an ABMS-board-eligible specialty; board certification not confirmed in federal records.
- Reported
Industry payment transparency
$1.0K in reported industry payments (18 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- 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 1932102647 · Clinical Cardiac Electrophysiology Physician
NPI-10 · ENUM-LEGACY · TAX-NARROW · RX-MID · BOOK-THIN · PHOTO-ENUM
- NPI-10 1932102647
- ENUM-LEGACY 2005
- TAX-NARROW 1,668
- RX-MID 1,947
- BOOK-THIN 5 in Delaware
- PHOTO-ENUM Scott Spielman, M.D. · 2005
Joseph Pennington, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
1,947 ≥ 83rd percentile 83% of 1,416,883 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 · 2024
◑
Board-eligible specialty (heuristic, not verified)
Joseph Pennington, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Joseph Pennington, M.D.?
Quality data not reportedPrimary specialty
Clinical Cardiac Electrophysiology Physician
Medicare Part D claims
1,947 17% vs specialty avg
Specialty distribution in Delaware
How Clinical Cardiac Electrophysiology Physician compares to other specialties among Delaware 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 Clinical Cardiac Electrophysiology 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 | 1932102647 |
|---|---|
| Specialty | Clinical Cardiac Electrophysiology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 05/27/2005 |
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 Joseph Pennington, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$1.0K
Largest payer
BIOTRONIK INC.
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
Joseph Pennington, M.D. - brand share 23.0%
Clinical Cardiac Electrophysiology Physician average
23% brand-name claims vs 77% generic, on 1,947 2024 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 2024.
1,947
Total Claims
$559K
Total Drug Cost
354
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 4,818.067
- Total Day Supply
- 142,295
- Brand vs Generic
- 23% brand / 77% generic
- Brand Drug Cost
- $471K
- Generic Drug Cost
- $88K
Patient Demographics
- Average Patient Age
- 74.2 years
- Avg HCC Risk Score
- 1.54
- Gender Split
- 52% female / 48% male
- Age Distribution
- <65: 34, 65-74: 136, 75-84: 141, 85+: 43
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Joseph Pennington, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2024
- Flecainide Acetate
Flecainide Acetate
218 claims
- Eliquis
Eliquis
179 claims
- Metoprolol Succinate
Metoprolol Succinate
156 claims
- Xarelto
Xarelto
122 claims
- Amiodarone Hcl
Amiodarone Hcl
116 claims
- Atorvastatin Calcium 72
Atorvastatin Calcium
72 claims
- Lisinopril 59
Lisinopril
59 claims
- Furosemide 58
Furosemide
58 claims
| Drug | Claims |
|---|---|
| Flecainide Acetate | 218 |
| Eliquis Apixaban | 179 |
| Metoprolol Succinate | 156 |
| Xarelto Rivaroxaban | 122 |
| Amiodarone Hcl | 116 |
| Atorvastatin Calcium | 72 |
| Lisinopril | 59 |
| Furosemide | 58 |
| Amlodipine Besylate | 55 |
| Sodium Chloride 0.9 % Sodium Chloride | 53 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Clinical Cardiac Electrophysiology Physician in DE →
All providers in Delaware →
Compare specialties →
Clinical Cardiac Electrophysiology Physician Overview
How Joseph Pennington, M.D. fits within the Clinical Cardiac Electrophysiology Physician landscape nationally.
1,668
Clinical Cardiac Electrophysiology Physician Providers in US
52
States with Clinical Cardiac Electrophysiology Physician
1,662
Avg Claims per Provider
Joseph Pennington, M.D.'s 1,947 claims are above the specialty average of 1,662.
Nationwide Clinical Cardiac Electrophysiology Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Pennington, both outside Delaware so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2005)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Clinical Cardiac Electrophysiology Physician Providers in Delaware
Other clinicians with the same primary specialty enrolled in Delaware, drawn from the same CMS NPPES roster as Pennington.
One of 5 Clinical Cardiac Electrophysiology Physician providers enrolled in Delaware, 4 are shown here.
Dr. Mussaber Ahmad
DO
Milford, DE
Dr. Stephen Blumberg
M.D.
Dover, DE
Dr. Maria Pia Del Corral
MD
Lewes, DE
Dr. Malick Islam
MD, FACC
Lewes, DE
Compare Clinical Cardiac Electrophysiology Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Joseph Pennington, M.D.'s specialty? ▼
Joseph Pennington, M.D. specializes in Clinical Cardiac Electrophysiology Physician and practices in Wilmington, Delaware. Credentials: M.D..
How much does Joseph Pennington, M.D. prescribe under Medicare Part D? ▼
In 2024, Joseph Pennington, M.D. wrote 1,947 Medicare Part D claims totaling $559K in drug costs for 354 beneficiaries.
Where is Joseph Pennington, M.D. located? ▼
Joseph Pennington, M.D. is located at 701 N CLAYTON ST STE 533A, Wilmington, DE, 19805. Phone: (302) 421-4828.
What is Joseph Pennington, M.D.'s NPI number? ▼
Joseph Pennington, M.D.'s National Provider Identifier (NPI) is 1932102647, issued on 05/27/2005.
Does Joseph Pennington, M.D. prescribe more brand-name or generic drugs? ▼
Joseph Pennington, M.D.'s prescribing is 23% brand-name and 77% generic drugs by claim count, with $471K in brand drug costs.
How many Clinical Cardiac Electrophysiology Physician providers are there in the US? ▼
There are 1,668 Clinical Cardiac Electrophysiology Physician providers across 52 states in the US. The average Clinical Cardiac Electrophysiology Physician provider writes 1,662 Medicare Part D claims per year.
What drugs does Joseph Pennington, M.D. prescribe most often? ▼
Based on 2024 Medicare Part D data, Joseph Pennington, M.D.'s most frequently prescribed drugs include Flecainide Acetate, Eliquis, Metoprolol Succinate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Joseph Pennington, M.D. accept Medicare? ▼
Joseph Pennington, M.D. appears in CMS Medicare data with 1,947 Part D claims and 354 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Joseph Pennington, M.D.'s credentials? ▼
Joseph Pennington, M.D.'s NPI is 1932102647 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 (2024). 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 August 2026 (NPPES) / 2024 (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 August 2026.