Karyn Dyehouse, MD
NPI 1649297094 · Medical Oncology Physician · Seneca, SC
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karyn Dyehouse, MD is a Medical Oncology Physician provider in Seneca, SC (NPI 1649297094).
Provider details
- NPI number
- 1649297094
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 82911 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,473 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 1,064 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 654 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 554 | $62 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 96 | $135 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 73 | $168 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 337 | 104 |
| Ondansetron Hcl | 80 | 56 |
| Tamoxifen Citrate | 78 | 21 |
| Exemestane | 69 | 17 |
| Palbociclibbrand: Ibrance | 68 | — |
| Letrozole | 54 | 19 |
| Dexamethasone | 53 | 25 |
| Hydroxyurea | 51 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,014 across 49 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-15
- Last updated
- 2025-12-12
- Certified
- 2025-12-12
Frequently asked questions
- What is Karyn Dyehouse's NPI number?
- Karyn Dyehouse's National Provider Identifier (NPI) is 1649297094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karyn Dyehouse's specialty?
- Karyn Dyehouse is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Karyn Dyehouse located?
- Karyn Dyehouse's practice location on file with NPPES is 131 Lila Doyle Dr, Seneca, SC 29672-9495.
- What is Karyn Dyehouse's phone number?
- The practice phone number listed in the NPPES registry for Karyn Dyehouse is (864) 888-3717.
- Does Karyn Dyehouse accept Medicare?
- Karyn Dyehouse is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karyn Dyehouse's NPI active?
- Yes — Karyn Dyehouse's NPI (1649297094) is active in the NPPES registry as of the last update on 2025-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.