NPI registry status
Active
2026 NPPES data Obstetrics & Gynecology Nurse Practitioner NPI 1952647083 WHNP-BC
Verify on CMS → Mary Barringer, WHNP-BC
Obstetrics & Gynecology Nurse Practitioner in Dearborn, 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 2,867 in Obstetrics & Gynecology Nurse Practitioner, 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
339
Medicare Part D claims · 72 beneficiaries · Obstetrics & Gynecology Nurse Practitioner avg: 232
Industry payments
$218.27
8 payments · CMS Open Payments (Sunshine Act)
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Mary Barringer, WHNP-BC filed 339 Medicare Part D claims in 2023 as a Obstetrics & Gynecology Nurse Practitioner in Dearborn, Michigan.
- 339
- Part D claims, 2023
- $218.27
- 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.
Mary Barringer, WHNP-BC's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
339 Top 43% higher than 57% 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
What does the federal data show about Mary Barringer, WHNP-BC?
Quality data not reportedPrimary specialty
Obstetrics & Gynecology Nurse Practitioner
Medicare Part D claims
339 46% vs specialty avg
Specialty distribution in Michigan
How Obstetrics & Gynecology Nurse Practitioner 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 Obstetrics & Gynecology Nurse Practitioner. 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).
Mary Barringer, WHNP-BC appears in the CMS NPPES registry as an Obstetrics & Gynecology Nurse Practitioner provider holding WHNP-BC credentials at 18101 OAKWOOD BLVD, Dearborn, MI, 48124, with a listed phone of (313) 436-2898. NPI 1952647083 was issued on 12/18/2012.
Medicare Part D records for calendar year 2023 show 339 prescription claims written by this provider, covering 72 Medicare beneficiaries and totaling roughly $64K in drug spend, with an opioid prescribing rate of 15.3%.
Obstetrics & Gynecology Nurse Practitioner is a narrow specialty nationwide, with 2,867 enrolled providers across 52 states and an average of 232 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 | 1952647083 |
|---|---|
| Specialty | Obstetrics & Gynecology Nurse Practitioner |
| Credentials | WHNP-BC |
| Gender | Female |
| NPI Issued | 12/18/2012 |
Hospital and facility affiliations
Facilities where Mary Barringer, WHNP-BC 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.
Edward W Sparrow Hospital Association
Lansing, MI
Sparrow Carson Hospital
Carson City, MI
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
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 Mary Barringer, WHNP-BC. Source: openpaymentsdata.cms.gov.
Total received
$218
Largest payer
Merck Sharp & Dohme LLC
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 Mary Barringer, WHNP-BC. To verify Mary Barringer, WHNP-BC'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 2023.
339
Total Claims
$64K
Total Drug Cost
72
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 397
- Total Day Supply
- 8,056
- Generic Drug Cost
- $5K
- Opioid Claims
- 52 (15.3% rate)
Patient Demographics
- Average Patient Age
- 70.8 years
- Avg HCC Risk Score
- 2.05
- Gender Split
- 100% female / 0% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Mary Barringer, WHNP-BC prescribes most
Top Medicare Part D drugs by claim count, 2023
- Gabapentin
Gabapentin
45 claims
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
36 claims
- Prochlorperazine M…
Prochlorperazine Maleate
34 claims
- Ondansetron Hcl
Ondansetron Hcl
32 claims
- Ibuprofen
Ibuprofen
26 claims
- Lidocaine-Prilocaine 15
Lidocaine-Prilocaine
15 claims
- Omeprazole 15
Omeprazole
15 claims
- Pregabalin 15
Pregabalin
15 claims
| Drug | Claims |
|---|---|
| Gabapentin | 45 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 36 |
| Prochlorperazine Maleate | 34 |
| Ondansetron Hcl | 32 |
| Ibuprofen | 26 |
| Lidocaine-Prilocaine Lidocaine/Prilocaine | 15 |
| Omeprazole | 15 |
| Pregabalin | 15 |
| Duloxetine Hcl | 12 |
| Oxycodone Hcl | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Obstetrics & Gynecology Nurse Practitioner in MI →
All providers in Michigan →
Compare specialties →
Obstetrics & Gynecology Nurse Practitioner Overview
How Mary Barringer, WHNP-BC fits within the Obstetrics & Gynecology Nurse Practitioner landscape nationally.
2,867
Obstetrics & Gynecology Nurse Practitioner Providers in US
52
States with Obstetrics & Gynecology Nurse Practitioner
232
Avg Claims per Provider
Mary Barringer, WHNP-BC's 339 claims are above the specialty average of 232.
Nearby Obstetrics & Gynecology Nurse Practitioner Providers in Michigan
Other clinicians with the same primary specialty enrolled in Michigan, drawn from the same CMS NPPES roster as Barringer.
Dr. Jaimie Allen
MSN, FNP-BC
West Bloomfield, MI
Dr. Shelly Betancourt
MSN,MHA,WHNP-BC
Carson City, MI
Dr. Myrtie Biery
CNP
Saginaw, MI
Dr. Paula Blankenship
NP
Howell, MI
Dr. M Cross
BSN, CNM, MSN
East Lansing, MI
Compare Obstetrics & Gynecology Nurse Practitioner 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 Obstetrics & Gynecology Nurse Practitioner 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.
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Frequently Asked Questions
What is Mary Barringer, WHNP-BC's specialty? ▼
Mary Barringer, WHNP-BC specializes in Obstetrics & Gynecology Nurse Practitioner and practices in Dearborn, Michigan. Credentials: WHNP-BC.
How much does Mary Barringer, WHNP-BC prescribe under Medicare Part D? ▼
In 2023, Mary Barringer, WHNP-BC wrote 339 Medicare Part D claims totaling $64K in drug costs for 72 beneficiaries.
Where is Mary Barringer, WHNP-BC located? ▼
Mary Barringer, WHNP-BC is located at 18101 OAKWOOD BLVD, Dearborn, MI, 48124. Phone: (313) 436-2898.
What is Mary Barringer, WHNP-BC's NPI number? ▼
Mary Barringer, WHNP-BC's National Provider Identifier (NPI) is 1952647083, issued on 12/18/2012.
Does Mary Barringer, WHNP-BC prescribe opioids? ▼
Yes, Mary Barringer, WHNP-BC had 52 opioid claims in 2023 with an opioid prescribing rate of 15.3%.
How many Obstetrics & Gynecology Nurse Practitioner providers are there in the US? ▼
There are 2,867 Obstetrics & Gynecology Nurse Practitioner providers across 52 states in the US. The average Obstetrics & Gynecology Nurse Practitioner provider writes 232 Medicare Part D claims per year.
What drugs does Mary Barringer, WHNP-BC prescribe most often? ▼
Based on 2023 Medicare Part D data, Mary Barringer, WHNP-BC's most frequently prescribed drugs include Gabapentin, Hydrocodone-Acetaminophen, Prochlorperazine Maleate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Mary Barringer, WHNP-BC accept Medicare? ▼
Mary Barringer, WHNP-BC appears in CMS Medicare data with 339 Part D claims and 72 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Mary Barringer, WHNP-BC's credentials? ▼
Mary Barringer, WHNP-BC's NPI is 1952647083 with credentials WHNP-BC. 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.