NPI registry status
Active
2026 NPPES data Medical Oncology Physician NPI 1659532034 D.O.
Verify on CMS → Yelena Kier, D.O.
Medical Oncology Physician in Traverse City, 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 3,792 in Medical Oncology 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
1K
Medicare Part D claims · 247 beneficiaries · Medical Oncology Physician avg: 689
Generic prescribing
81%
generic claims · 19% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$276.5
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
Yelena Kier, D.O. filed 1,129 Medicare Part D claims in 2023 as a Medical Oncology Physician in Traverse City, Michigan, prescribing 81% generic.
- 1K
- Part D claims, 2023
- 81%
- 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.
Yelena Kier, D.O.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
1,129 Top 23% higher than 77% 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)
Yelena Kier, D.O. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 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 Yelena Kier, D.O.?
Quality data not reportedPrimary specialty
Medical Oncology Physician
Medicare Part D claims
1,129 64% vs specialty avg
Specialty distribution in Michigan
How Medical Oncology 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 Medical Oncology 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).
Yelena Kier, D.O. appears in the CMS NPPES registry as a Medical Oncology Physician provider holding D.O. credentials at 217 S MADISON ST, Traverse City, MI, 49684, with a listed phone of (231) 392-8400. NPI 1659532034 was issued on 06/19/2008.
Medicare Part D records for calendar year 2023 show 1,129 prescription claims written by this provider, covering 247 Medicare beneficiaries and totaling roughly $3.0 million in drug spend, split 19% brand-name and 81% generic by claim count, with an opioid prescribing rate of 4.8%.
Medical Oncology Physician is a narrow specialty nationwide, with 3,792 enrolled providers across 53 states and an average of 689 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 | 1659532034 |
|---|---|
| Specialty | Medical Oncology Physician |
| Credentials | D.O. |
| Gender | Female |
| NPI Issued | 06/19/2008 |
Hospital and facility affiliations
Facilities where Yelena Kier, D.O. 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.
Munson Healthcare Cadillac
Cadillac, MI
Munson Healthcare Grayling
Grayling, 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 Yelena Kier, D.O.. Source: openpaymentsdata.cms.gov.
Total received
$277
Largest payer
Gilead Sciences, 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 Yelena Kier, D.O.. To verify Yelena Kier, 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.
Brand vs generic prescribing mix · Typical
Yelena Kier, D.O. - brand share 19.0%
Medical Oncology Physician average
19% brand-name claims vs 81% generic, on 1,129 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.
1,129
Total Claims
$3.0M
Total Drug Cost
247
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,704
- Total Day Supply
- 46,757
- Brand vs Generic
- 19% brand / 81% generic
- Brand Drug Cost
- $2.6M
- Generic Drug Cost
- $333K
- Opioid Claims
- 54 (4.8% rate)
- Antibiotic Claims
- 25
Patient Demographics
- Average Patient Age
- 73.3 years
- Avg HCC Risk Score
- 1.49
- Gender Split
- 79% female / 21% male
- Age Distribution
- <65: 12, 65-74: 140, 75-84: 77, 85+: 18
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Yelena Kier, D.O. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Anastrozole
Anastrozole
259 claims
- Dexamethasone 66
Dexamethasone
66 claims
- Letrozole 54
Letrozole
54 claims
- Hydroxyurea 49
Hydroxyurea
49 claims
- Exemestane 48
Exemestane
48 claims
- Ibrance 41
Ibrance
41 claims
- Imbruvica 39
Imbruvica
39 claims
- Olanzapine 39
Olanzapine
39 claims
| Drug | Claims |
|---|---|
| Anastrozole | 259 |
| Dexamethasone | 66 |
| Letrozole | 54 |
| Hydroxyurea | 49 |
| Exemestane | 48 |
| Ibrance Palbociclib | 41 |
| Imbruvica Ibrutinib | 39 |
| Olanzapine | 39 |
| Ondansetron Hcl | 34 |
| Prochlorperazine Maleate | 32 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Medical Oncology Physician Overview
How Yelena Kier, D.O. fits within the Medical Oncology Physician landscape nationally.
3,792
Medical Oncology Physician Providers in US
53
States with Medical Oncology Physician
689
Avg Claims per Provider
Yelena Kier, D.O.'s 1,129 claims are above the specialty average of 689.
Nearby Medical Oncology Physician Providers in Michigan
Other clinicians with the same primary specialty enrolled in Michigan, drawn from the same CMS NPPES roster as Kier.
Dr. Eugene Agnone
M.D.
Roseville, MI
Dr. Muhammad Ahmed
M.D.
Three Rivers, MI
Dr. Adil Akhtar
M.D.
Sterling Heights, MI
Dr. Ayham Al Ashkar
MD
Royal Oak, MI
Dr. Kathryn Alguire
M.D.
Norton Shores, MI
Compare Medical Oncology 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 Medical Oncology 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.
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Medical Specialties Explained
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Understanding Medicare Claims Data
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How insurance networks affect your costs
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Frequently Asked Questions
What is Yelena Kier, D.O.'s specialty? ▼
Yelena Kier, D.O. specializes in Medical Oncology Physician and practices in Traverse City, Michigan. Credentials: D.O..
How much does Yelena Kier, D.O. prescribe under Medicare Part D? ▼
In 2023, Yelena Kier, D.O. wrote 1,129 Medicare Part D claims totaling $3.0M in drug costs for 247 beneficiaries.
Where is Yelena Kier, D.O. located? ▼
Yelena Kier, D.O. is located at 217 S MADISON ST, Traverse City, MI, 49684. Phone: (231) 392-8400.
What is Yelena Kier, D.O.'s NPI number? ▼
Yelena Kier, D.O.'s National Provider Identifier (NPI) is 1659532034, issued on 06/19/2008.
Does Yelena Kier, D.O. prescribe more brand-name or generic drugs? ▼
Yelena Kier, D.O.'s prescribing is 19% brand-name and 81% generic drugs by claim count, with $2.6M in brand drug costs.
Does Yelena Kier, D.O. prescribe opioids? ▼
Yes, Yelena Kier, D.O. had 54 opioid claims in 2023 with an opioid prescribing rate of 4.8%.
How many Medical Oncology Physician providers are there in the US? ▼
There are 3,792 Medical Oncology Physician providers across 53 states in the US. The average Medical Oncology Physician provider writes 689 Medicare Part D claims per year.
What drugs does Yelena Kier, D.O. prescribe most often? ▼
Based on 2023 Medicare Part D data, Yelena Kier, D.O.'s most frequently prescribed drugs include Anastrozole, Dexamethasone, Letrozole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Yelena Kier, D.O. accept Medicare? ▼
Yelena Kier, D.O. appears in CMS Medicare data with 1,129 Part D claims and 247 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Yelena Kier, D.O.'s credentials? ▼
Yelena Kier, D.O.'s NPI is 1659532034 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 (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.