Hilary Sillik, M.D.
NPI 1487897856 · Anatomic Pathology & Clinical Pathology Physician · Denver, CO
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hilary Sillik, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Denver, CO (NPI 1487897856).
Provider details
- NPI number
- 1487897856
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- DR.0051887 (CO)
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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
238 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 100 | $37 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 31 | $34 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 22 | $81 |
| Protein Measurement, Serum84165 | 21 | $18 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 21 | $18 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 15 | $26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-14
- Last updated
- 2025-03-18
- Certified
- 2025-03-18
Frequently asked questions
- What is Hilary Sillik's NPI number?
- Hilary Sillik's National Provider Identifier (NPI) is 1487897856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hilary Sillik's specialty?
- Hilary Sillik is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Hilary Sillik located?
- Hilary Sillik's practice location on file with NPPES is 777 Bannock St, Denver, CO 80204-4597.
- What is Hilary Sillik's phone number?
- The practice phone number listed in the NPPES registry for Hilary Sillik is (303) 602-5200.
- Does Hilary Sillik accept Medicare?
- Hilary Sillik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hilary Sillik's NPI active?
- Yes — Hilary Sillik's NPI (1487897856) is active in the NPPES registry as of the last update on 2025-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.