NPI registry status
Active
2026 NPPES data Physical Medicine & Rehabilitation Physician NPI 1851322549 D.O.
Verify on CMS → David Wiersema, D.O.
Physical Medicine & Rehabilitation Physician in Saginaw, 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 15,618 in Physical Medicine & Rehabilitation 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
305
Medicare Part D claims · 29 beneficiaries · Physical Medicine & Rehabilitation Physician avg: 793
Industry payments
$6.4K
45 payments · CMS Open Payments (Sunshine Act)
What the federal data shows
David Wiersema, D.O. filed 305 Medicare Part D claims in 2024 as a Physical Medicine & Rehabilitation Physician in Saginaw, Michigan.
- 305
- Part D claims, 2024
- $6.4K
- industry payments (Sunshine Act)
- ≥56th
- 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 David Wiersema, D.O.
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 1851322549), first enumerated 07/05/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 305 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
$6.4K in reported industry payments (45 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- State context
State board disciplinary context
Michigan statewide board action statistics are published annually — these figures describe aggregate state activity, not David Wiersema, D.O.'s individual license status. Verify directly with the state medical board.
Source: MI-BOM annual report 2023
- 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 1851322549 · Physical Medicine & Rehabilitation Physician
NPI-10 · ENUM-LEGACY · TAX-MID · RX-LIGHT · BOOK-LIGHT · PHOTO-ENUM
- NPI-10 1851322549
- ENUM-LEGACY 2006
- TAX-MID 16K Physical Medicine
- RX-LIGHT 305
- BOOK-LIGHT 731 in Michigan
- PHOTO-ENUM Fredric Zimmerman, DO · 2006
David Wiersema, D.O.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
305 ≥ 56th percentile 56% 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)
David Wiersema, D.O. 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 David Wiersema, D.O.?
Quality data not reportedPrimary specialty
Physical Medicine & Rehabilitation Physician
Medicare Part D claims
305 62% vs specialty avg
Specialty distribution in Michigan
How Physical Medicine & Rehabilitation 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 Physical Medicine & Rehabilitation 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 | 1851322549 |
|---|---|
| Specialty | Physical Medicine & Rehabilitation Physician |
| Credentials | D.O. |
| Gender | Male |
| NPI Issued | 07/05/2006 |
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 David Wiersema, D.O.. Source: openpaymentsdata.cms.gov.
Total received
$6.4K
Largest payer
ABBVIE 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.
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 David Wiersema, D.O.. To verify David Wiersema, D.O.'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.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
305
Total Claims
$79K
Total Drug Cost
29
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 420.233
- Total Day Supply
- 11,617
- Generic Drug Cost
- $4K
- Opioid Claims
- 45 (14.8% rate)
Patient Demographics
- Average Patient Age
- 58.0 years
- Avg HCC Risk Score
- 1.68
- Age Distribution
- <65: 16, 65-74: 11, 75-84: N/A, 85+: N/A
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What David Wiersema, D.O. prescribes most
Top Medicare Part D drugs by claim count, 2024
- Baclofen
Baclofen
58 claims
- Tramadol Hcl
Tramadol Hcl
25 claims
- Gabapentin
Gabapentin
24 claims
- Pregabalin 15
Pregabalin
15 claims
- Oxycodone Hcl 13
Oxycodone Hcl
13 claims
- Trintellix 13
Trintellix
13 claims
- Trazodone Hcl 12
Trazodone Hcl
12 claims
- Forteo 11
Forteo
11 claims
| Drug | Claims |
|---|---|
| Baclofen | 58 |
| Tramadol Hcl | 25 |
| Gabapentin | 24 |
| Pregabalin | 15 |
| Oxycodone Hcl | 13 |
| Trintellix Vortioxetine Hydrobromide | 13 |
| Trazodone Hcl | 12 |
| Forteo Teriparatide | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Physical Medicine & Rehabilitation Physician in MI →
All providers in Michigan →
Compare specialties →
Physical Medicine & Rehabilitation Physician Overview
How David Wiersema, D.O. fits within the Physical Medicine & Rehabilitation Physician landscape nationally.
15,618
Physical Medicine & Rehabilitation Physician Providers in US
54
States with Physical Medicine & Rehabilitation Physician
793
Avg Claims per Provider
David Wiersema, D.O.'s 305 claims are below the specialty average of 793.
Nationwide Physical Medicine & Rehabilitation Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Wiersema, both outside Michigan 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 Physical Medicine & Rehabilitation Physician Providers in Michigan
Other clinicians with the same primary specialty enrolled in Michigan, drawn from the same CMS NPPES roster as Wiersema.
One of 731 Physical Medicine & Rehabilitation Physician providers enrolled in Michigan, 5 are shown here.
Dr. Andrea Aagesen
D.O.
Ann Arbor, MI
Dr. Rachel Abouzaid
MD
Detroit, MI
Dr. Anne Abrahamson
MD
Wyandotte, MI
Dr. Alaa Abu-Mahfouz
MD
Ypsilanti, MI
Dr. Shawn Achtman
D.O.
Royal Oak, MI
Compare Physical Medicine & Rehabilitation Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is David Wiersema, D.O.'s specialty? ▼
David Wiersema, D.O. specializes in Physical Medicine & Rehabilitation Physician and practices in Saginaw, Michigan. Credentials: D.O..
How much does David Wiersema, D.O. prescribe under Medicare Part D? ▼
In 2024, David Wiersema, D.O. wrote 305 Medicare Part D claims totaling $79K in drug costs for 29 beneficiaries.
Where is David Wiersema, D.O. located? ▼
David Wiersema, D.O. is located at 4701 TOWNE CENTRE RD STE 102, Saginaw, MI, 48604. Phone: (989) 797-4610.
What is David Wiersema, D.O.'s NPI number? ▼
David Wiersema, D.O.'s National Provider Identifier (NPI) is 1851322549, issued on 07/05/2006.
Does David Wiersema, D.O. prescribe opioids? ▼
Yes, David Wiersema, D.O. had 45 opioid claims in 2024 with an opioid prescribing rate of 14.8%.
How many Physical Medicine & Rehabilitation Physician providers are there in the US? ▼
There are 15,618 Physical Medicine & Rehabilitation Physician providers across 54 states in the US. The average Physical Medicine & Rehabilitation Physician provider writes 793 Medicare Part D claims per year.
What drugs does David Wiersema, D.O. prescribe most often? ▼
Based on 2024 Medicare Part D data, David Wiersema, D.O.'s most frequently prescribed drugs include Baclofen, Tramadol Hcl, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does David Wiersema, D.O. accept Medicare? ▼
David Wiersema, D.O. appears in CMS Medicare data with 305 Part D claims and 29 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify David Wiersema, D.O.'s credentials? ▼
David Wiersema, D.O.'s NPI is 1851322549 with credentials D.O.. 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.