Cathy Koger, D.O.
NPI 1902194871 · Dermatology Physician · Boulder, CO
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathy Koger, D.O. is a Dermatology Physician provider in Boulder, CO (NPI 1902194871).
Provider details
- NPI number
- 1902194871
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 53663 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 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
3,925 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,960 | $7 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 726 | $60 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 447 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 307 | $130 |
| Biopsy of Related Skin Growth, First Growth11102 | 210 | $102 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 64 | 35 |
| Doxycycline Hyclate | 48 | 13 |
| Mupirocin | 47 | 39 |
| Triamcinolone Acetonide | 44 | 33 |
| Clobetasol Propionate | 38 | 21 |
| Acyclovir | 28 | — |
| Fluorouracil | 26 | 20 |
| Valacyclovir Hclbrand: Valacyclovir | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20,555 across 110 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
- 2011-07-13
- Last updated
- 2021-02-17
- Certified
- 2021-02-17
Frequently asked questions
- What is Cathy Koger's NPI number?
- Cathy Koger's National Provider Identifier (NPI) is 1902194871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathy Koger's specialty?
- Cathy Koger is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Cathy Koger located?
- Cathy Koger's practice location on file with NPPES is 3434 47th St Ste 200, Boulder, CO 80301-1817.
- What is Cathy Koger's phone number?
- The practice phone number listed in the NPPES registry for Cathy Koger is (303) 444-8100.
- Does Cathy Koger accept Medicare?
- Cathy Koger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathy Koger's NPI active?
- Yes — Cathy Koger's NPI (1902194871) is active in the NPPES registry as of the last update on 2021-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.