NPI registry status
Active
2026 NPPES data Family Medicine Physician NPI 1669428827 DO
Verify on CMS → Jeffrey Deweerd, DO
Family Medicine Physician in Mason, Michigan.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 147,760 in Family 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
5K
Medicare Part D claims · 281 beneficiaries · Family Medicine Physician avg: 3K
Generic prescribing
84%
generic claims · 14% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$89.66
5 payments · CMS Open Payments (Sunshine Act)
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
Jeffrey Deweerd, DO filed 4,686 Medicare Part D claims in 2023 as a Family Medicine Physician in Mason, Michigan, prescribing 84% generic.
- 5K
- Part D claims, 2023
- 84%
- generic prescribing
- $89.66
- industry payments (Sunshine Act)
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.
Jeffrey Deweerd, DO's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
4,686 Top 7% higher than 93% 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-eligible specialty (heuristic, not verified)
Jeffrey Deweerd, DO 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 Jeffrey Deweerd, DO?
Quality data not reportedPrimary specialty
Family Medicine Physician
Medicare Part D claims
4,686 37% vs specialty avg
Specialty distribution in Michigan
How Family Medicine Physician compares to other specialties among Michigan 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 Family 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).
Jeffrey Deweerd, DO appears in the CMS NPPES registry as a Family Medicine Physician provider holding DO credentials at 710 TEMPLE ST, Mason, MI, 48854, with a listed phone of (517) 244-1000. NPI 1669428827 was issued on 05/26/2006.
Medicare Part D records for calendar year 2023 show 4,686 prescription claims written by this provider, covering 281 Medicare beneficiaries and totaling roughly $770K in drug spend, split 14% brand-name and 84% generic by claim count, with an opioid prescribing rate of 4.3%.
Family Medicine Physician is a high-volume specialty nationwide, with 147,760 enrolled providers across 56 states and an average of 3,418 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 | 1669428827 |
|---|---|
| Specialty | Family Medicine Physician |
| Credentials | DO |
| Gender | Male |
| NPI Issued | 05/26/2006 |
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 Jeffrey Deweerd, DO. Source: openpaymentsdata.cms.gov.
Total received
$90
Largest payer
AstraZeneca Pharmaceuticals LP
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.
License & disciplinary context - Michigan MI-BOM 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~41K Michigan medical licensees in 2023 - they are NOT specific to Jeffrey Deweerd, DO. To verify Jeffrey Deweerd, DO's current license status, search the MI-BOM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
123
Total board actions, Michigan 2023
Across 120 cases
3.00
Actions per 1,000 licensees
Michigan statewide rate
probation
Most common action type
44 cases
MI-BOM publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Michigan disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
Jeffrey Deweerd, DO - brand share 14.0%
Family Medicine Physician average
14% brand-name claims vs 84% generic, on 4,686 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.
4,686
Total Claims
$770K
Total Drug Cost
281
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 10,820
- Total Day Supply
- 316,552
- Brand vs Generic
- 14% brand / 84% generic
- Brand Drug Cost
- $486K
- Generic Drug Cost
- $278K
- Opioid Claims
- 202 (4.3% rate)
- Antibiotic Claims
- 69
Patient Demographics
- Average Patient Age
- 73.6 years
- Avg HCC Risk Score
- 1.00
- Gender Split
- 43% female / 57% male
- Age Distribution
- <65: 29, 65-74: 123, 75-84: 94, 85+: 35
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Jeffrey Deweerd, DO prescribes most
Top Medicare Part D drugs by claim count, 2023
- Atorvastatin Calcium
Atorvastatin Calcium
254 claims
- Amlodipine Besylate
Amlodipine Besylate
224 claims
- Levothyroxine Sodium
Levothyroxine Sodium
224 claims
- Losartan Potassium
Losartan Potassium
214 claims
- Lisinopril
Lisinopril
146 claims
- Metoprolol Succinate
Metoprolol Succinate
143 claims
- Metformin Hcl
Metformin Hcl
136 claims
- Rosuvastatin Calcium
Rosuvastatin Calcium
127 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 254 |
| Amlodipine Besylate | 224 |
| Levothyroxine Sodium | 224 |
| Losartan Potassium | 214 |
| Lisinopril | 146 |
| Metoprolol Succinate | 143 |
| Metformin Hcl | 136 |
| Rosuvastatin Calcium | 127 |
| Omeprazole | 106 |
| Pantoprazole Sodium | 106 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Family Medicine Physician Overview
How Jeffrey Deweerd, DO fits within the Family Medicine Physician landscape nationally.
147,760
Family Medicine Physician Providers in US
56
States with Family Medicine Physician
3,418
Avg Claims per Provider
Jeffrey Deweerd, DO's 4,686 claims are above the specialty average of 3,418.
Nearby Family Medicine Physician Providers in Michigan
Other clinicians with the same primary specialty enrolled in Michigan, drawn from the same CMS NPPES roster as Deweerd.
Asma Abbas
Hamtramck, MI
Dr. Saadia Abbas
MD
Chesterfield, MI
Faezeh Abbasi
Monroe, MI
Dr. Marisa Abbo
DO
Rochester Hills, MI
Dr. Cathleen Abbott
M.D.
East Lansing, MI
Compare Family Medicine 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 Michigan medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Family 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.
Healthcare Guides
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Medical Specialties Explained
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Understanding Medicare Claims Data
What prescribing data reveals about a provider
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How insurance networks affect your costs
Telehealth Guide
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Explore Michigan
Frequently Asked Questions
What is Jeffrey Deweerd, DO's specialty? ▼
Jeffrey Deweerd, DO specializes in Family Medicine Physician and practices in Mason, Michigan. Credentials: DO.
How much does Jeffrey Deweerd, DO prescribe under Medicare Part D? ▼
In 2023, Jeffrey Deweerd, DO wrote 4,686 Medicare Part D claims totaling $770K in drug costs for 281 beneficiaries.
Where is Jeffrey Deweerd, DO located? ▼
Jeffrey Deweerd, DO is located at 710 TEMPLE ST, Mason, MI, 48854. Phone: (517) 244-1000.
What is Jeffrey Deweerd, DO's NPI number? ▼
Jeffrey Deweerd, DO's National Provider Identifier (NPI) is 1669428827, issued on 05/26/2006.
Does Jeffrey Deweerd, DO prescribe more brand-name or generic drugs? ▼
Jeffrey Deweerd, DO's prescribing is 14% brand-name and 84% generic drugs by claim count, with $486K in brand drug costs.
Does Jeffrey Deweerd, DO prescribe opioids? ▼
Yes, Jeffrey Deweerd, DO had 202 opioid claims in 2023 with an opioid prescribing rate of 4.3%.
How many Family Medicine Physician providers are there in the US? ▼
There are 147,760 Family Medicine Physician providers across 56 states in the US. The average Family Medicine Physician provider writes 3,418 Medicare Part D claims per year.
What drugs does Jeffrey Deweerd, DO prescribe most often? ▼
Based on 2023 Medicare Part D data, Jeffrey Deweerd, DO's most frequently prescribed drugs include Atorvastatin Calcium, Amlodipine Besylate, Levothyroxine Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Jeffrey Deweerd, DO accept Medicare? ▼
Jeffrey Deweerd, DO appears in CMS Medicare data with 4,686 Part D claims and 281 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Jeffrey Deweerd, DO's credentials? ▼
Jeffrey Deweerd, DO's NPI is 1669428827 with credentials DO. 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.