Hillary Sims
NPI 1952727315 · Anatomic Pathology & Clinical Pathology Physician · Hattiesburg, MS
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hillary Sims is a Anatomic Pathology & Clinical Pathology Physician provider in Hattiesburg, MS (NPI 1952727315).
Provider details
- NPI number
- 1952727315
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 25032 (MS)
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
12 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
4,314 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,513 | $53 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 667 | $63 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 320 | $32 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 206 | $82 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 186 | $48 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 173 | $46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 2 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
- 2014-03-10
- Last updated
- 2022-04-27
- Certified
- 2022-04-27
Frequently asked questions
- What is Hillary Sims's NPI number?
- Hillary Sims's National Provider Identifier (NPI) is 1952727315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hillary Sims's specialty?
- Hillary Sims is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Hillary Sims located?
- Hillary Sims's practice location on file with NPPES is 421 S 28th Ave Ste 310, Hattiesburg, MS 39401-7208.
- What is Hillary Sims's phone number?
- The practice phone number listed in the NPPES registry for Hillary Sims is (601) 579-5261.
- Does Hillary Sims accept Medicare?
- Hillary Sims is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hillary Sims's NPI active?
- Yes — Hillary Sims's NPI (1952727315) is active in the NPPES registry as of the last update on 2022-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.